./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:36:13,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:36:13,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:36:13,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:36:13,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:36:13,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:36:13,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:36:13,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:36:13,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:36:13,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:36:13,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:36:13,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:36:13,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:36:13,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:36:13,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:36:13,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:36:13,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:36:13,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:36:13,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:36:13,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:36:13,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:36:13,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:36:13,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:36:13,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:36:13,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:36:13,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:36:13,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:36:13,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:36:13,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:36:13,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:36:13,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:36:13,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:36:13,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:36:13,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:36:13,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:36:13,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:36:13,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:36:13,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:36:13,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:36:13,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:36:13,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:36:13,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-19 08:36:13,268 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:36:13,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:36:13,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:36:13,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:36:13,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:36:13,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:36:13,276 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:36:13,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:36:13,277 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:36:13,277 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:36:13,278 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:36:13,279 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:36:13,279 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:36:13,279 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:36:13,279 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:36:13,280 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:36:13,280 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:36:13,280 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:36:13,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:36:13,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:36:13,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:36:13,283 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:36:13,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:36:13,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:36:13,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:36:13,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:36:13,285 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:36:13,285 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:36:13,285 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:36:13,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:36:13,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:36:13,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:36:13,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:36:13,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:36:13,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:36:13,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:36:13,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:36:13,287 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:36:13,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:36:13,288 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:36:13,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:36:13,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:36:13,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 [2022-11-19 08:36:13,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:36:13,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:36:13,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:36:13,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:36:13,665 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:36:13,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2022-11-19 08:36:13,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data/9a2af86bc/44ae684b6adc45e783e4b73ae270c891/FLAGecec27b96 [2022-11-19 08:36:14,425 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:36:14,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2022-11-19 08:36:14,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data/9a2af86bc/44ae684b6adc45e783e4b73ae270c891/FLAGecec27b96 [2022-11-19 08:36:14,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data/9a2af86bc/44ae684b6adc45e783e4b73ae270c891 [2022-11-19 08:36:14,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:36:14,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:36:14,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:36:14,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:36:14,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:36:14,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:36:14" (1/1) ... [2022-11-19 08:36:14,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300399fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:14, skipping insertion in model container [2022-11-19 08:36:14,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:36:14" (1/1) ... [2022-11-19 08:36:14,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:36:14,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:36:15,348 WARN L234 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_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i[33021,33034] [2022-11-19 08:36:15,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:36:15,491 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-19 08:36:15,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66c28282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:15, skipping insertion in model container [2022-11-19 08:36:15,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:36:15,493 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:36:15,495 INFO L158 Benchmark]: Toolchain (without parser) took 837.21ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 91.3MB in the end (delta: -5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 08:36:15,496 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:36:15,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.70ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 91.3MB in the end (delta: -5.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 08:36:15,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.70ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 91.3MB in the end (delta: -5.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 751]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:36:18,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:36:18,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:36:18,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:36:18,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:36:18,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:36:18,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:36:18,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:36:18,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:36:18,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:36:18,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:36:18,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:36:18,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:36:18,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:36:18,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:36:18,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:36:18,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:36:18,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:36:18,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:36:18,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:36:18,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:36:18,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:36:18,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:36:18,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:36:18,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:36:18,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:36:18,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:36:18,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:36:18,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:36:18,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:36:18,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:36:18,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:36:18,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:36:18,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:36:18,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:36:18,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:36:18,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:36:18,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:36:18,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:36:18,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:36:18,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:36:18,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-19 08:36:18,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:36:18,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:36:18,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:36:18,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:36:18,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:36:18,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:36:18,262 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:36:18,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:36:18,263 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:36:18,263 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:36:18,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:36:18,265 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:36:18,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:36:18,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:36:18,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:36:18,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:36:18,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:36:18,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:36:18,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:36:18,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:36:18,269 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:36:18,269 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:36:18,269 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:36:18,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:36:18,270 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:36:18,270 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:36:18,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:36:18,271 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:36:18,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:36:18,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:36:18,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:36:18,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:36:18,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:36:18,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:36:18,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:36:18,274 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:36:18,274 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:36:18,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:36:18,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:36:18,275 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_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 [2022-11-19 08:36:18,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:36:18,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:36:18,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:36:18,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:36:18,770 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:36:18,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2022-11-19 08:36:18,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data/baaf52329/c527338db0494a7089c5a32c218e8b34/FLAG634f07932 [2022-11-19 08:36:19,543 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:36:19,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2022-11-19 08:36:19,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data/baaf52329/c527338db0494a7089c5a32c218e8b34/FLAG634f07932 [2022-11-19 08:36:19,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/data/baaf52329/c527338db0494a7089c5a32c218e8b34 [2022-11-19 08:36:19,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:36:19,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:36:19,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:36:19,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:36:19,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:36:19,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:36:19" (1/1) ... [2022-11-19 08:36:19,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3e2ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:19, skipping insertion in model container [2022-11-19 08:36:19,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:36:19" (1/1) ... [2022-11-19 08:36:19,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:36:19,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:36:20,302 WARN L234 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_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i[33021,33034] [2022-11-19 08:36:20,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:36:20,475 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 08:36:20,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:36:20,523 WARN L234 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_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i[33021,33034] [2022-11-19 08:36:20,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:36:20,596 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:36:20,643 WARN L234 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_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i[33021,33034] [2022-11-19 08:36:20,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:36:20,741 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:36:20,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20 WrapperNode [2022-11-19 08:36:20,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:36:20,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:36:20,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:36:20,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:36:20,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,843 INFO L138 Inliner]: procedures = 180, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 624 [2022-11-19 08:36:20,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:36:20,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:36:20,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:36:20,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:36:20,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:36:20,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:36:20,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:36:20,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:36:20,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (1/1) ... [2022-11-19 08:36:20,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:36:20,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:36:20,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:36:20,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:36:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-19 08:36:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 08:36:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:36:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:36:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:36:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:36:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:36:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:36:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:36:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:36:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:36:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:36:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 08:36:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 08:36:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:36:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:36:21,291 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:36:21,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:36:21,298 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 08:36:25,168 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:36:25,193 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:36:25,195 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-11-19 08:36:25,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:36:25 BoogieIcfgContainer [2022-11-19 08:36:25,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:36:25,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:36:25,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:36:25,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:36:25,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:36:19" (1/3) ... [2022-11-19 08:36:25,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@862c23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:36:25, skipping insertion in model container [2022-11-19 08:36:25,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:36:20" (2/3) ... [2022-11-19 08:36:25,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@862c23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:36:25, skipping insertion in model container [2022-11-19 08:36:25,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:36:25" (3/3) ... [2022-11-19 08:36:25,214 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test1-1.i [2022-11-19 08:36:25,236 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:36:25,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 330 error locations. [2022-11-19 08:36:25,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:36:25,320 INFO L357 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d57c710, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:36:25,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 330 error locations. [2022-11-19 08:36:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 667 states, 324 states have (on average 2.2314814814814814) internal successors, (723), 661 states have internal predecessors, (723), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 08:36:25,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:25,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 08:36:25,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:25,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash 37287509, now seen corresponding path program 1 times [2022-11-19 08:36:25,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:25,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26615038] [2022-11-19 08:36:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:25,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:25,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:25,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:25,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 08:36:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:25,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 08:36:25,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:25,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:25,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:25,553 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:25,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26615038] [2022-11-19 08:36:25,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26615038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:25,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:25,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:36:25,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784795822] [2022-11-19 08:36:25,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:25,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:36:25,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:25,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:36:25,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:36:25,602 INFO L87 Difference]: Start difference. First operand has 667 states, 324 states have (on average 2.2314814814814814) internal successors, (723), 661 states have internal predecessors, (723), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-19 08:36:25,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:25,717 INFO L93 Difference]: Finished difference Result 658 states and 704 transitions. [2022-11-19 08:36:25,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:36:25,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-11-19 08:36:25,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:25,738 INFO L225 Difference]: With dead ends: 658 [2022-11-19 08:36:25,739 INFO L226 Difference]: Without dead ends: 656 [2022-11-19 08:36:25,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:36:25,745 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:25,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:36:25,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-11-19 08:36:25,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2022-11-19 08:36:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 319 states have (on average 2.1191222570532915) internal successors, (676), 650 states have internal predecessors, (676), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 702 transitions. [2022-11-19 08:36:25,854 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 702 transitions. Word has length 5 [2022-11-19 08:36:25,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:25,855 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 702 transitions. [2022-11-19 08:36:25,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-11-19 08:36:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 702 transitions. [2022-11-19 08:36:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 08:36:25,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:25,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 08:36:25,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:26,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:26,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:26,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:26,071 INFO L85 PathProgramCache]: Analyzing trace with hash 37287571, now seen corresponding path program 1 times [2022-11-19 08:36:26,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:26,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143386930] [2022-11-19 08:36:26,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:26,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:26,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:26,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:26,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 08:36:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:26,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:36:26,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:26,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-19 08:36:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:26,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:26,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:26,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143386930] [2022-11-19 08:36:26,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143386930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:26,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:26,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:36:26,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211753376] [2022-11-19 08:36:26,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:26,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:36:26,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:26,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:36:26,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:26,286 INFO L87 Difference]: Start difference. First operand 656 states and 702 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-19 08:36:27,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:27,882 INFO L93 Difference]: Finished difference Result 614 states and 661 transitions. [2022-11-19 08:36:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:36:27,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-19 08:36:27,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:27,889 INFO L225 Difference]: With dead ends: 614 [2022-11-19 08:36:27,889 INFO L226 Difference]: Without dead ends: 614 [2022-11-19 08:36:27,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:27,890 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 594 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:27,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 349 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 08:36:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2022-11-19 08:36:27,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 607. [2022-11-19 08:36:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 319 states have (on average 1.9655172413793103) internal successors, (627), 601 states have internal predecessors, (627), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 653 transitions. [2022-11-19 08:36:27,912 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 653 transitions. Word has length 5 [2022-11-19 08:36:27,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:27,913 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 653 transitions. [2022-11-19 08:36:27,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-19 08:36:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 653 transitions. [2022-11-19 08:36:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 08:36:27,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:27,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 08:36:27,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:28,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:28,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:28,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:28,127 INFO L85 PathProgramCache]: Analyzing trace with hash 37287572, now seen corresponding path program 1 times [2022-11-19 08:36:28,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:28,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199146101] [2022-11-19 08:36:28,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:28,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:28,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:28,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:28,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 08:36:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:28,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:36:28,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:28,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:36:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:28,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:28,277 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:28,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199146101] [2022-11-19 08:36:28,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199146101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:28,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:28,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:36:28,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29722598] [2022-11-19 08:36:28,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:28,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:36:28,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:28,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:36:28,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:28,283 INFO L87 Difference]: Start difference. First operand 607 states and 653 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-19 08:36:30,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:30,237 INFO L93 Difference]: Finished difference Result 674 states and 724 transitions. [2022-11-19 08:36:30,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:36:30,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-19 08:36:30,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:30,242 INFO L225 Difference]: With dead ends: 674 [2022-11-19 08:36:30,242 INFO L226 Difference]: Without dead ends: 674 [2022-11-19 08:36:30,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:30,244 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 254 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:30,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 748 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 08:36:30,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-11-19 08:36:30,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 629. [2022-11-19 08:36:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 351 states have (on average 1.9458689458689458) internal successors, (683), 623 states have internal predecessors, (683), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 709 transitions. [2022-11-19 08:36:30,278 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 709 transitions. Word has length 5 [2022-11-19 08:36:30,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:30,278 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 709 transitions. [2022-11-19 08:36:30,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-19 08:36:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 709 transitions. [2022-11-19 08:36:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 08:36:30,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:30,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 08:36:30,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:30,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:30,492 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr322REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:30,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:30,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1156729148, now seen corresponding path program 1 times [2022-11-19 08:36:30,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:30,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241666888] [2022-11-19 08:36:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:30,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:30,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:30,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:30,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 08:36:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:30,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:36:30,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:30,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:30,589 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:30,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241666888] [2022-11-19 08:36:30,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241666888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:30,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:30,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:30,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109441641] [2022-11-19 08:36:30,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:30,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:36:30,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:30,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:36:30,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:30,592 INFO L87 Difference]: Start difference. First operand 629 states and 709 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:36:30,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:30,689 INFO L93 Difference]: Finished difference Result 1209 states and 1349 transitions. [2022-11-19 08:36:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:36:30,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 08:36:30,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:30,699 INFO L225 Difference]: With dead ends: 1209 [2022-11-19 08:36:30,700 INFO L226 Difference]: Without dead ends: 1209 [2022-11-19 08:36:30,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:30,704 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 567 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:30,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1499 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:36:30,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-11-19 08:36:30,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 630. [2022-11-19 08:36:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 352 states have (on average 1.9431818181818181) internal successors, (684), 624 states have internal predecessors, (684), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 710 transitions. [2022-11-19 08:36:30,735 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 710 transitions. Word has length 6 [2022-11-19 08:36:30,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:30,736 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 710 transitions. [2022-11-19 08:36:30,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:36:30,737 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 710 transitions. [2022-11-19 08:36:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:36:30,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:30,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:30,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-19 08:36:30,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:30,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:30,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:30,959 INFO L85 PathProgramCache]: Analyzing trace with hash 334651453, now seen corresponding path program 1 times [2022-11-19 08:36:30,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:30,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097548295] [2022-11-19 08:36:30,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:30,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:30,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:30,965 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:30,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-19 08:36:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:31,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:36:31,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:31,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:31,104 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:31,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097548295] [2022-11-19 08:36:31,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097548295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:31,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:31,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:31,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772859399] [2022-11-19 08:36:31,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:31,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:36:31,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:31,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:36:31,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:31,112 INFO L87 Difference]: Start difference. First operand 630 states and 710 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:36:31,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:31,156 INFO L93 Difference]: Finished difference Result 594 states and 673 transitions. [2022-11-19 08:36:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:36:31,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 08:36:31,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:31,161 INFO L225 Difference]: With dead ends: 594 [2022-11-19 08:36:31,161 INFO L226 Difference]: Without dead ends: 594 [2022-11-19 08:36:31,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:31,162 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 561 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:31,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 625 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:36:31,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2022-11-19 08:36:31,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 588. [2022-11-19 08:36:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 334 states have (on average 1.9191616766467066) internal successors, (641), 582 states have internal predecessors, (641), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 667 transitions. [2022-11-19 08:36:31,180 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 667 transitions. Word has length 11 [2022-11-19 08:36:31,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:31,181 INFO L495 AbstractCegarLoop]: Abstraction has 588 states and 667 transitions. [2022-11-19 08:36:31,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:36:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 667 transitions. [2022-11-19 08:36:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 08:36:31,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:31,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:31,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:31,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:31,394 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:31,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:31,395 INFO L85 PathProgramCache]: Analyzing trace with hash -522505033, now seen corresponding path program 1 times [2022-11-19 08:36:31,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:31,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687672342] [2022-11-19 08:36:31,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:31,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:31,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:31,397 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:31,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-19 08:36:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:31,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:36:31,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:31,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:31,572 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:31,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687672342] [2022-11-19 08:36:31,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687672342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:31,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:31,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:36:31,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731881637] [2022-11-19 08:36:31,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:31,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:36:31,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:31,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:36:31,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:36:31,575 INFO L87 Difference]: Start difference. First operand 588 states and 667 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-19 08:36:31,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:31,666 INFO L93 Difference]: Finished difference Result 573 states and 645 transitions. [2022-11-19 08:36:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:36:31,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-11-19 08:36:31,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:31,670 INFO L225 Difference]: With dead ends: 573 [2022-11-19 08:36:31,670 INFO L226 Difference]: Without dead ends: 573 [2022-11-19 08:36:31,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:36:31,672 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 542 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:31,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1123 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:36:31,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-11-19 08:36:31,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 566. [2022-11-19 08:36:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 326 states have (on average 1.8773006134969326) internal successors, (612), 560 states have internal predecessors, (612), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 638 transitions. [2022-11-19 08:36:31,688 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 638 transitions. Word has length 13 [2022-11-19 08:36:31,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:31,688 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 638 transitions. [2022-11-19 08:36:31,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-19 08:36:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 638 transitions. [2022-11-19 08:36:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 08:36:31,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:31,690 INFO L195 NwaCegarLoop]: 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] [2022-11-19 08:36:31,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:31,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:31,907 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:31,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:31,907 INFO L85 PathProgramCache]: Analyzing trace with hash -22216187, now seen corresponding path program 1 times [2022-11-19 08:36:31,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:31,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110875446] [2022-11-19 08:36:31,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:31,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:31,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:31,909 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:31,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-19 08:36:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:32,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:36:32,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:32,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-19 08:36:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:32,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:32,185 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:32,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110875446] [2022-11-19 08:36:32,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110875446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:32,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:32,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:32,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451392450] [2022-11-19 08:36:32,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:32,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:36:32,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:32,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:36:32,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:36:32,187 INFO L87 Difference]: Start difference. First operand 566 states and 638 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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) [2022-11-19 08:36:33,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:33,742 INFO L93 Difference]: Finished difference Result 610 states and 703 transitions. [2022-11-19 08:36:33,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:36:33,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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 [2022-11-19 08:36:33,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:33,745 INFO L225 Difference]: With dead ends: 610 [2022-11-19 08:36:33,746 INFO L226 Difference]: Without dead ends: 610 [2022-11-19 08:36:33,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:36:33,746 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 956 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 966 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:33,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [966 Valid, 383 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 08:36:33,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2022-11-19 08:36:33,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 562. [2022-11-19 08:36:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 326 states have (on average 1.8650306748466257) internal successors, (608), 556 states have internal predecessors, (608), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 634 transitions. [2022-11-19 08:36:33,761 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 634 transitions. Word has length 27 [2022-11-19 08:36:33,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:33,761 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 634 transitions. [2022-11-19 08:36:33,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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) [2022-11-19 08:36:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 634 transitions. [2022-11-19 08:36:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 08:36:33,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:33,763 INFO L195 NwaCegarLoop]: 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] [2022-11-19 08:36:33,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-19 08:36:33,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:33,974 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:33,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:33,975 INFO L85 PathProgramCache]: Analyzing trace with hash -22216186, now seen corresponding path program 1 times [2022-11-19 08:36:33,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:33,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980427095] [2022-11-19 08:36:33,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:33,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:33,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:33,977 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:33,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-19 08:36:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:34,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 08:36:34,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:34,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:36:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:34,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:34,373 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:34,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980427095] [2022-11-19 08:36:34,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1980427095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:34,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:34,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:34,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279136810] [2022-11-19 08:36:34,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:34,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:36:34,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:34,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:36:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:36:34,376 INFO L87 Difference]: Start difference. First operand 562 states and 634 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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) [2022-11-19 08:36:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:36,994 INFO L93 Difference]: Finished difference Result 644 states and 706 transitions. [2022-11-19 08:36:37,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:36:37,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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 [2022-11-19 08:36:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:37,004 INFO L225 Difference]: With dead ends: 644 [2022-11-19 08:36:37,005 INFO L226 Difference]: Without dead ends: 644 [2022-11-19 08:36:37,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:36:37,006 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 351 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:37,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 917 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-19 08:36:37,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2022-11-19 08:36:37,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 558. [2022-11-19 08:36:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 326 states have (on average 1.852760736196319) internal successors, (604), 552 states have internal predecessors, (604), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 630 transitions. [2022-11-19 08:36:37,025 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 630 transitions. Word has length 27 [2022-11-19 08:36:37,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:37,026 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 630 transitions. [2022-11-19 08:36:37,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 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) [2022-11-19 08:36:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 630 transitions. [2022-11-19 08:36:37,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-19 08:36:37,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:37,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:37,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:37,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:37,241 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr108REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:37,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:37,242 INFO L85 PathProgramCache]: Analyzing trace with hash 810363537, now seen corresponding path program 1 times [2022-11-19 08:36:37,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:37,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206255391] [2022-11-19 08:36:37,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:37,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:37,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:37,243 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:37,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-19 08:36:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:37,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:36:37,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:37,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:37,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:37,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206255391] [2022-11-19 08:36:37,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206255391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:37,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:37,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:36:37,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672686999] [2022-11-19 08:36:37,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:37,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:36:37,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:37,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:36:37,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:36:37,501 INFO L87 Difference]: Start difference. First operand 558 states and 630 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-11-19 08:36:37,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:37,567 INFO L93 Difference]: Finished difference Result 558 states and 626 transitions. [2022-11-19 08:36:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:36:37,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 42 [2022-11-19 08:36:37,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:37,570 INFO L225 Difference]: With dead ends: 558 [2022-11-19 08:36:37,570 INFO L226 Difference]: Without dead ends: 558 [2022-11-19 08:36:37,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:36:37,573 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 511 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:37,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 1101 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:36:37,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2022-11-19 08:36:37,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 552. [2022-11-19 08:36:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 320 states have (on average 1.85625) internal successors, (594), 546 states have internal predecessors, (594), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 620 transitions. [2022-11-19 08:36:37,592 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 620 transitions. Word has length 42 [2022-11-19 08:36:37,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:37,593 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 620 transitions. [2022-11-19 08:36:37,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-11-19 08:36:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 620 transitions. [2022-11-19 08:36:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-19 08:36:37,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:37,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:37,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:37,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:37,811 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr108REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:37,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:37,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2087041861, now seen corresponding path program 1 times [2022-11-19 08:36:37,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:37,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64121057] [2022-11-19 08:36:37,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:37,812 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:37,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:37,813 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:37,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-19 08:36:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:38,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:36:38,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:38,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:38,354 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:38,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64121057] [2022-11-19 08:36:38,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64121057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:38,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:38,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:38,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173933950] [2022-11-19 08:36:38,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:38,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:36:38,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:38,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:36:38,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:38,357 INFO L87 Difference]: Start difference. First operand 552 states and 620 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-11-19 08:36:38,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:38,460 INFO L93 Difference]: Finished difference Result 598 states and 666 transitions. [2022-11-19 08:36:38,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:36:38,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2022-11-19 08:36:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:38,465 INFO L225 Difference]: With dead ends: 598 [2022-11-19 08:36:38,465 INFO L226 Difference]: Without dead ends: 598 [2022-11-19 08:36:38,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:38,466 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 67 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:38,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1008 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:36:38,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2022-11-19 08:36:38,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2022-11-19 08:36:38,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 366 states have (on average 1.7486338797814207) internal successors, (640), 592 states have internal predecessors, (640), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 666 transitions. [2022-11-19 08:36:38,479 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 666 transitions. Word has length 50 [2022-11-19 08:36:38,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:38,480 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 666 transitions. [2022-11-19 08:36:38,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-11-19 08:36:38,480 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 666 transitions. [2022-11-19 08:36:38,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 08:36:38,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:38,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:38,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:38,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:38,694 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:38,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:38,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1009990608, now seen corresponding path program 1 times [2022-11-19 08:36:38,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:38,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002530962] [2022-11-19 08:36:38,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:38,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:38,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:38,697 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:38,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-19 08:36:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:39,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-19 08:36:39,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:39,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-19 08:36:39,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:36:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:36:39,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 08:36:39,589 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-19 08:36:39,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-19 08:36:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:39,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:39,612 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:39,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002530962] [2022-11-19 08:36:39,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002530962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:39,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:39,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:39,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238100505] [2022-11-19 08:36:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:39,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:36:39,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:39,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:36:39,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:36:39,615 INFO L87 Difference]: Start difference. First operand 598 states and 666 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-19 08:36:41,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:41,231 INFO L93 Difference]: Finished difference Result 567 states and 636 transitions. [2022-11-19 08:36:41,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:36:41,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 53 [2022-11-19 08:36:41,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:41,236 INFO L225 Difference]: With dead ends: 567 [2022-11-19 08:36:41,236 INFO L226 Difference]: Without dead ends: 567 [2022-11-19 08:36:41,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:36:41,237 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 441 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:41,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 311 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 08:36:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-11-19 08:36:41,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 528. [2022-11-19 08:36:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 334 states have (on average 1.6047904191616766) internal successors, (536), 522 states have internal predecessors, (536), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 562 transitions. [2022-11-19 08:36:41,251 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 562 transitions. Word has length 53 [2022-11-19 08:36:41,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:41,251 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 562 transitions. [2022-11-19 08:36:41,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-19 08:36:41,251 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 562 transitions. [2022-11-19 08:36:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 08:36:41,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:41,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:41,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:41,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:41,469 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:41,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:41,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1993678057, now seen corresponding path program 1 times [2022-11-19 08:36:41,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:41,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533301739] [2022-11-19 08:36:41,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:41,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:41,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:41,472 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:41,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-19 08:36:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:41,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:36:41,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:41,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-19 08:36:41,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:36:41,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 08:36:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:41,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:41,795 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:41,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533301739] [2022-11-19 08:36:41,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533301739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:41,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:41,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:36:41,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93355230] [2022-11-19 08:36:41,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:41,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:36:41,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:41,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:36:41,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:36:41,798 INFO L87 Difference]: Start difference. First operand 528 states and 562 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2022-11-19 08:36:43,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:43,937 INFO L93 Difference]: Finished difference Result 527 states and 561 transitions. [2022-11-19 08:36:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:36:43,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-19 08:36:43,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:43,941 INFO L225 Difference]: With dead ends: 527 [2022-11-19 08:36:43,941 INFO L226 Difference]: Without dead ends: 527 [2022-11-19 08:36:43,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:36:43,942 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 4 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:43,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1317 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-19 08:36:43,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-11-19 08:36:43,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2022-11-19 08:36:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 334 states have (on average 1.6017964071856288) internal successors, (535), 521 states have internal predecessors, (535), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 561 transitions. [2022-11-19 08:36:43,957 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 561 transitions. Word has length 58 [2022-11-19 08:36:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:43,957 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 561 transitions. [2022-11-19 08:36:43,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2022-11-19 08:36:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 561 transitions. [2022-11-19 08:36:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 08:36:43,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:43,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:43,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:44,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:44,175 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:44,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:44,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1993678056, now seen corresponding path program 1 times [2022-11-19 08:36:44,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:44,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669324659] [2022-11-19 08:36:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:44,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:44,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:44,178 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:44,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-19 08:36:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:44,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:36:44,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:44,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:36:44,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:36:44,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:36:44,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-19 08:36:44,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 08:36:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:44,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:44,614 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:44,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669324659] [2022-11-19 08:36:44,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669324659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:44,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:44,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:36:44,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443060705] [2022-11-19 08:36:44,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:44,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:36:44,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:44,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:36:44,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:36:44,615 INFO L87 Difference]: Start difference. First operand 527 states and 561 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2022-11-19 08:36:47,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:47,004 INFO L93 Difference]: Finished difference Result 526 states and 560 transitions. [2022-11-19 08:36:47,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:36:47,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-19 08:36:47,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:47,009 INFO L225 Difference]: With dead ends: 526 [2022-11-19 08:36:47,009 INFO L226 Difference]: Without dead ends: 526 [2022-11-19 08:36:47,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:36:47,010 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 2 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:47,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1327 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-19 08:36:47,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-11-19 08:36:47,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2022-11-19 08:36:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 333 states have (on average 1.6036036036036037) internal successors, (534), 520 states have internal predecessors, (534), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:36:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 560 transitions. [2022-11-19 08:36:47,022 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 560 transitions. Word has length 58 [2022-11-19 08:36:47,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:47,022 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 560 transitions. [2022-11-19 08:36:47,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2022-11-19 08:36:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 560 transitions. [2022-11-19 08:36:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 08:36:47,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:47,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:47,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:47,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:47,237 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:47,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:47,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1630154942, now seen corresponding path program 1 times [2022-11-19 08:36:47,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:47,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881195148] [2022-11-19 08:36:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:47,239 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:47,239 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-19 08:36:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:47,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:36:47,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:47,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:36:47,557 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:47,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881195148] [2022-11-19 08:36:47,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881195148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:47,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:47,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:36:47,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070494792] [2022-11-19 08:36:47,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:47,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:36:47,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:47,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:36:47,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:36:47,561 INFO L87 Difference]: Start difference. First operand 526 states and 560 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:36:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:47,619 INFO L93 Difference]: Finished difference Result 529 states and 564 transitions. [2022-11-19 08:36:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:36:47,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-11-19 08:36:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:47,625 INFO L225 Difference]: With dead ends: 529 [2022-11-19 08:36:47,625 INFO L226 Difference]: Without dead ends: 529 [2022-11-19 08:36:47,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:36:47,626 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 2 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:47,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1525 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:36:47,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2022-11-19 08:36:47,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2022-11-19 08:36:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 335 states have (on average 1.6029850746268657) internal successors, (537), 523 states have internal predecessors, (537), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-19 08:36:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 564 transitions. [2022-11-19 08:36:47,657 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 564 transitions. Word has length 66 [2022-11-19 08:36:47,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:47,658 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 564 transitions. [2022-11-19 08:36:47,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:36:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 564 transitions. [2022-11-19 08:36:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:36:47,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:47,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:47,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-11-19 08:36:47,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:47,883 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:47,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:47,884 INFO L85 PathProgramCache]: Analyzing trace with hash 584186051, now seen corresponding path program 1 times [2022-11-19 08:36:47,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:47,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642913798] [2022-11-19 08:36:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:47,886 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:47,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-19 08:36:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:48,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:36:48,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:48,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:36:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:48,360 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:48,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642913798] [2022-11-19 08:36:48,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642913798] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:36:48,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [828661704] [2022-11-19 08:36:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:48,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:36:48,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:36:48,363 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:36:48,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-19 08:36:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:48,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:36:48,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:48,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:36:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:48,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [828661704] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:36:48,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969955631] [2022-11-19 08:36:48,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:48,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:36:48,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:36:48,905 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:36:48,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-19 08:36:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:49,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:36:49,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:49,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:36:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:49,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969955631] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:36:49,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-19 08:36:49,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-11-19 08:36:49,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579711309] [2022-11-19 08:36:49,283 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-19 08:36:49,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:36:49,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:36:49,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:36:49,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:36:49,285 INFO L87 Difference]: Start difference. First operand 529 states and 564 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:36:49,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:49,490 INFO L93 Difference]: Finished difference Result 541 states and 581 transitions. [2022-11-19 08:36:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:36:49,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67 [2022-11-19 08:36:49,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:49,493 INFO L225 Difference]: With dead ends: 541 [2022-11-19 08:36:49,494 INFO L226 Difference]: Without dead ends: 541 [2022-11-19 08:36:49,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-11-19 08:36:49,495 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 23 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:49,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1529 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:36:49,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-11-19 08:36:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 539. [2022-11-19 08:36:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 344 states have (on average 1.6046511627906976) internal successors, (552), 532 states have internal predecessors, (552), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-19 08:36:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 579 transitions. [2022-11-19 08:36:49,507 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 579 transitions. Word has length 67 [2022-11-19 08:36:49,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:49,507 INFO L495 AbstractCegarLoop]: Abstraction has 539 states and 579 transitions. [2022-11-19 08:36:49,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:36:49,508 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 579 transitions. [2022-11-19 08:36:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-19 08:36:49,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:49,509 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:36:49,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:49,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:49,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-19 08:36:50,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:50,113 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:36:50,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:50,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1893632510, now seen corresponding path program 2 times [2022-11-19 08:36:50,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:36:50,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354110724] [2022-11-19 08:36:50,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:36:50,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:36:50,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:36:50,116 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:36:50,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-19 08:36:50,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:36:50,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:36:50,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:36:50,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:50,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:36:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:50,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:36:50,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354110724] [2022-11-19 08:36:50,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354110724] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:36:50,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [196915227] [2022-11-19 08:36:50,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:36:50,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:36:50,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:36:50,892 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:36:50,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-19 08:36:52,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:36:52,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:36:52,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:36:52,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:36:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:52,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:36:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:36:52,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [196915227] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:36:52,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985514816] [2022-11-19 08:36:52,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:36:52,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:36:52,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:36:52,318 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:36:52,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-19 08:37:15,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:37:15,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:37:15,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-19 08:37:15,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:37:15,471 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-19 08:37:15,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-19 08:37:15,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:37:16,026 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:37:16,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-19 08:37:16,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-19 08:37:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 08:37:16,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:37:16,349 INFO L321 Elim1Store]: treesize reduction 7, result has 63.2 percent of original size [2022-11-19 08:37:16,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2022-11-19 08:37:16,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985514816] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:37:16,495 INFO L184 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2022-11-19 08:37:16,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 11] total 24 [2022-11-19 08:37:16,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605372243] [2022-11-19 08:37:16,495 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2022-11-19 08:37:16,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-19 08:37:16,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:37:16,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-19 08:37:16,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=552, Unknown=8, NotChecked=0, Total=650 [2022-11-19 08:37:16,497 INFO L87 Difference]: Start difference. First operand 539 states and 579 transitions. Second operand has 24 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 08:37:27,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:37:27,928 INFO L93 Difference]: Finished difference Result 867 states and 937 transitions. [2022-11-19 08:37:27,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-19 08:37:27,929 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 70 [2022-11-19 08:37:27,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:37:27,931 INFO L225 Difference]: With dead ends: 867 [2022-11-19 08:37:27,931 INFO L226 Difference]: Without dead ends: 863 [2022-11-19 08:37:27,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 323 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=320, Invalid=2000, Unknown=32, NotChecked=0, Total=2352 [2022-11-19 08:37:27,932 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 834 mSDsluCounter, 4676 mSDsCounter, 0 mSdLazyCounter, 4780 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 5110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 4780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 292 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:37:27,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 5104 Invalid, 5110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 4780 Invalid, 0 Unknown, 292 Unchecked, 9.9s Time] [2022-11-19 08:37:27,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2022-11-19 08:37:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 543. [2022-11-19 08:37:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 349 states have (on average 1.5931232091690544) internal successors, (556), 536 states have internal predecessors, (556), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-19 08:37:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 583 transitions. [2022-11-19 08:37:27,948 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 583 transitions. Word has length 70 [2022-11-19 08:37:27,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:37:27,949 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 583 transitions. [2022-11-19 08:37:27,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 08:37:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 583 transitions. [2022-11-19 08:37:27,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 08:37:27,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:37:27,950 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:37:27,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2022-11-19 08:37:28,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-19 08:37:28,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-19 08:37:28,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:37:28,556 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:37:28,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:37:28,557 INFO L85 PathProgramCache]: Analyzing trace with hash -151374268, now seen corresponding path program 1 times [2022-11-19 08:37:28,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:37:28,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096644500] [2022-11-19 08:37:28,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:37:28,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:37:28,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:37:28,559 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:37:28,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-19 08:37:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:37:28,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:37:28,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:37:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:29,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:37:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:29,683 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:37:29,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096644500] [2022-11-19 08:37:29,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096644500] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:37:29,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2119718331] [2022-11-19 08:37:29,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:37:29,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:37:29,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:37:29,687 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:37:29,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-19 08:37:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:37:30,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:37:30,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:37:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:30,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:37:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:30,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2119718331] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:37:30,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622393518] [2022-11-19 08:37:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:37:30,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:37:30,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:37:30,567 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:37:30,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-19 08:37:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:37:30,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 08:37:30,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:37:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:31,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:37:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:31,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622393518] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:37:31,999 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-19 08:37:31,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13, 13, 13, 13] total 35 [2022-11-19 08:37:31,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499462199] [2022-11-19 08:37:32,000 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-19 08:37:32,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-19 08:37:32,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:37:32,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-19 08:37:32,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=808, Unknown=0, NotChecked=0, Total=1190 [2022-11-19 08:37:32,002 INFO L87 Difference]: Start difference. First operand 543 states and 583 transitions. Second operand has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:37:35,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:37:35,288 INFO L93 Difference]: Finished difference Result 584 states and 640 transitions. [2022-11-19 08:37:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-19 08:37:35,289 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 75 [2022-11-19 08:37:35,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:37:35,291 INFO L225 Difference]: With dead ends: 584 [2022-11-19 08:37:35,291 INFO L226 Difference]: Without dead ends: 578 [2022-11-19 08:37:35,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1371, Invalid=2789, Unknown=0, NotChecked=0, Total=4160 [2022-11-19 08:37:35,293 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 154 mSDsluCounter, 7664 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 8181 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:37:35,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 8181 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 08:37:35,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-11-19 08:37:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 562. [2022-11-19 08:37:35,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 368 states have (on average 1.5815217391304348) internal successors, (582), 555 states have internal predecessors, (582), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-19 08:37:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 609 transitions. [2022-11-19 08:37:35,306 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 609 transitions. Word has length 75 [2022-11-19 08:37:35,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:37:35,306 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 609 transitions. [2022-11-19 08:37:35,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:37:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 609 transitions. [2022-11-19 08:37:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-19 08:37:35,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:37:35,307 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:37:35,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2022-11-19 08:37:35,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2022-11-19 08:37:35,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-19 08:37:35,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:37:35,922 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:37:35,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:37:35,922 INFO L85 PathProgramCache]: Analyzing trace with hash 398307071, now seen corresponding path program 2 times [2022-11-19 08:37:35,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:37:35,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098434162] [2022-11-19 08:37:35,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:37:35,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:37:35,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:37:35,925 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:37:35,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-19 08:37:36,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:37:36,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:37:36,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-19 08:37:36,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:37:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:37,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:37:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:40,762 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:37:40,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098434162] [2022-11-19 08:37:40,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098434162] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:37:40,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1703385413] [2022-11-19 08:37:40,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:37:40,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:37:40,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:37:40,767 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:37:40,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2022-11-19 08:37:42,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:37:42,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:37:42,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-19 08:37:42,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:37:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:42,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:37:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:37:43,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1703385413] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:37:43,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405380516] [2022-11-19 08:37:43,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:37:43,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:37:43,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:37:43,827 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:37:43,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-19 08:37:55,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-19 08:37:55,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:37:55,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-19 08:37:55,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:37:55,317 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-19 08:37:55,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-19 08:37:55,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:37:55,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:37:55,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:37:55,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 08:37:55,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:37:56,057 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2317 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2317))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2318 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2318) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:37:56,232 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2321 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2321) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2322 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2322)))) is different from true [2022-11-19 08:37:56,554 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2328 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2328))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2327 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2327)))) is different from true [2022-11-19 08:37:56,712 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2331 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2331))) (exists ((v_ArrVal_2332 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2332))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32)))) is different from true [2022-11-19 08:37:56,871 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2335 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2335) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2336 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2336)))) is different from true [2022-11-19 08:37:56,888 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2337 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2337) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2338 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2338) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:37:57,039 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2342 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2342))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2341 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2341) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:37:57,354 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2348 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2348))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2347 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2347)))) is different from true [2022-11-19 08:37:57,365 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2350 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2350))) (exists ((v_ArrVal_2349 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2349)))) is different from true [2022-11-19 08:37:57,515 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2354 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2354))) (exists ((v_ArrVal_2353 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2353) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32)))) is different from true [2022-11-19 08:37:57,723 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:37:57,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 08:37:57,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-19 08:37:57,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-19 08:37:57,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 08:37:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 155 not checked. [2022-11-19 08:37:58,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:37:59,046 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_2399 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_2400 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_2399) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_2400) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)))) (forall ((v_ArrVal_2399 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_2399) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (bvule (bvadd (_ bv16 32) .cse1) (bvadd .cse1 (_ bv20 32))))))) is different from false [2022-11-19 08:37:59,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405380516] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:37:59,054 INFO L184 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2022-11-19 08:37:59,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24, 24, 19] total 64 [2022-11-19 08:37:59,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142287218] [2022-11-19 08:37:59,055 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2022-11-19 08:37:59,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-11-19 08:37:59,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:37:59,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-11-19 08:37:59,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=2468, Unknown=37, NotChecked=1298, Total=4422 [2022-11-19 08:37:59,058 INFO L87 Difference]: Start difference. First operand 562 states and 609 transitions. Second operand has 64 states, 63 states have (on average 2.888888888888889) internal successors, (182), 64 states have internal predecessors, (182), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 08:38:21,110 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 (bvult (bvadd (_ bv4 32) |c_#Ultimate.C_memset_#t~loopctr142|) |c_#Ultimate.C_memset_#amount|)) (.cse4 (bvult |c_#Ultimate.C_memset_#t~loopctr142| |c_#Ultimate.C_memset_#amount|)) (.cse3 (bvult (bvadd |c_#Ultimate.C_memset_#t~loopctr142| (_ bv1 32)) |c_#Ultimate.C_memset_#amount|)) (.cse2 (bvult (bvadd |c_#Ultimate.C_memset_#t~loopctr142| (_ bv3 32)) |c_#Ultimate.C_memset_#amount|)) (.cse0 (not (= |c_#Ultimate.C_memset_#amount| (_ bv44 32)))) (.cse5 (bvult (bvadd (_ bv2 32) |c_#Ultimate.C_memset_#t~loopctr142|) |c_#Ultimate.C_memset_#amount|))) (and (or .cse0 .cse1 (not .cse2)) (exists ((v_ArrVal_2321 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2321) |c_#memory_$Pointer$.base|)) (or .cse0 .cse3 (not .cse4)) (exists ((v_ArrVal_2348 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2348))) (exists ((v_ArrVal_2342 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2342))) (exists ((v_ArrVal_2319 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2319))) (exists ((v_ArrVal_2331 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2331))) (exists ((v_ArrVal_2354 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2354))) (exists ((v_ArrVal_2328 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2328))) (exists ((v_ArrVal_2353 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2353) |c_#memory_$Pointer$.offset|)) (or (not .cse1) .cse0 (bvult (bvadd |c_#Ultimate.C_memset_#t~loopctr142| (_ bv5 32)) |c_#Ultimate.C_memset_#amount|)) (or .cse4 .cse0) (exists ((v_ArrVal_2332 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2332))) (exists ((v_ArrVal_2335 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2335) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2337 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2337) |c_#memory_$Pointer$.offset|)) (or (not .cse3) .cse0 .cse5) (or .cse2 .cse0 (not .cse5)) (exists ((v_ArrVal_2341 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2341) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2350 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2350))) (exists ((v_ArrVal_2322 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2322))) (exists ((v_ArrVal_2320 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2320))) (exists ((v_ArrVal_2338 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2338) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2336 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2336))) (exists ((v_ArrVal_2347 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2347))) (exists ((v_ArrVal_2327 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2327))) (exists ((v_ArrVal_2349 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2349))))) is different from true [2022-11-19 08:38:24,415 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2321 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2321) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2348 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2348))) (exists ((v_ArrVal_2342 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2342))) (exists ((v_ArrVal_2319 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2319))) (exists ((v_ArrVal_2331 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2331))) (exists ((v_ArrVal_2354 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2354))) (exists ((v_ArrVal_2328 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2328))) (exists ((v_ArrVal_2353 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2353) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2332 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2332))) (exists ((v_ArrVal_2335 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2335) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2337 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2337) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2341 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2341) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2350 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2350))) (exists ((v_ArrVal_2322 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2322))) (exists ((v_ArrVal_2320 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2320))) (exists ((v_ArrVal_2338 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2338) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2336 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2336))) (exists ((v_ArrVal_2347 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2347))) (exists ((v_ArrVal_2327 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2327))) (exists ((v_ArrVal_2349 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2349)))) is different from true [2022-11-19 08:38:57,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:38:57,722 INFO L93 Difference]: Finished difference Result 944 states and 1061 transitions. [2022-11-19 08:38:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-19 08:38:57,723 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 2.888888888888889) internal successors, (182), 64 states have internal predecessors, (182), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 86 [2022-11-19 08:38:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:38:57,726 INFO L225 Difference]: With dead ends: 944 [2022-11-19 08:38:57,726 INFO L226 Difference]: Without dead ends: 934 [2022-11-19 08:38:57,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 350 SyntacticMatches, 17 SemanticMatches, 138 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 2898 ImplicationChecksByTransitivity, 32.2s TimeCoverageRelationStatistics Valid=2651, Invalid=13152, Unknown=251, NotChecked=3406, Total=19460 [2022-11-19 08:38:57,731 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 1169 mSDsluCounter, 10369 mSDsCounter, 0 mSdLazyCounter, 13159 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 10801 SdHoareTripleChecker+Invalid, 20879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 13159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7653 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:38:57,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 10801 Invalid, 20879 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [67 Valid, 13159 Invalid, 0 Unknown, 7653 Unchecked, 32.1s Time] [2022-11-19 08:38:57,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2022-11-19 08:38:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 593. [2022-11-19 08:38:57,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 400 states have (on average 1.5475) internal successors, (619), 586 states have internal predecessors, (619), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-19 08:38:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 646 transitions. [2022-11-19 08:38:57,752 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 646 transitions. Word has length 86 [2022-11-19 08:38:57,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:38:57,753 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 646 transitions. [2022-11-19 08:38:57,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 2.888888888888889) internal successors, (182), 64 states have internal predecessors, (182), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 08:38:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 646 transitions. [2022-11-19 08:38:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-19 08:38:57,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:38:57,754 INFO L195 NwaCegarLoop]: trace histogram [41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:38:57,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-19 08:38:57,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2022-11-19 08:38:58,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-11-19 08:38:58,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:38:58,377 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:38:58,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:38:58,377 INFO L85 PathProgramCache]: Analyzing trace with hash -127995950, now seen corresponding path program 1 times [2022-11-19 08:38:58,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:38:58,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923168717] [2022-11-19 08:38:58,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:38:58,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:38:58,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:38:58,379 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:38:58,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-19 08:38:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:38:59,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-19 08:38:59,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:39:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:39:00,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:39:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:39:07,831 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:39:07,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923168717] [2022-11-19 08:39:07,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923168717] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:39:07,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1612790537] [2022-11-19 08:39:07,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:39:07,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:39:07,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:39:07,833 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:39:07,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2022-11-19 08:39:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:39:09,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-19 08:39:09,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:39:09,247 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:39:09,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:39:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:39:10,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1612790537] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:39:10,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522337005] [2022-11-19 08:39:10,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:39:10,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:39:10,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:39:10,729 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:39:10,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-19 08:39:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:39:11,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-19 08:39:11,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:39:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:39:11,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:39:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:39:25,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522337005] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:39:25,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-19 08:39:25,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45, 45, 45, 45] total 131 [2022-11-19 08:39:25,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681666718] [2022-11-19 08:39:25,699 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-19 08:39:25,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-11-19 08:39:25,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:39:25,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-11-19 08:39:25,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4083, Invalid=12947, Unknown=0, NotChecked=0, Total=17030 [2022-11-19 08:39:25,706 INFO L87 Difference]: Start difference. First operand 593 states and 646 transitions. Second operand has 131 states, 131 states have (on average 1.5038167938931297) internal successors, (197), 131 states have internal predecessors, (197), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:40:49,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:40:49,642 INFO L93 Difference]: Finished difference Result 739 states and 853 transitions. [2022-11-19 08:40:49,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-11-19 08:40:49,644 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 131 states have (on average 1.5038167938931297) internal successors, (197), 131 states have internal predecessors, (197), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 110 [2022-11-19 08:40:49,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:40:49,647 INFO L225 Difference]: With dead ends: 739 [2022-11-19 08:40:49,647 INFO L226 Difference]: Without dead ends: 733 [2022-11-19 08:40:49,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7404 ImplicationChecksByTransitivity, 85.7s TimeCoverageRelationStatistics Valid=18292, Invalid=46478, Unknown=0, NotChecked=0, Total=64770 [2022-11-19 08:40:49,675 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 1114 mSDsluCounter, 26312 mSDsCounter, 0 mSdLazyCounter, 7116 mSolverCounterSat, 1327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 26858 SdHoareTripleChecker+Invalid, 8443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1327 IncrementalHoareTripleChecker+Valid, 7116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:40:49,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 26858 Invalid, 8443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1327 Valid, 7116 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2022-11-19 08:40:49,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-11-19 08:40:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 657. [2022-11-19 08:40:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 464 states have (on average 1.5172413793103448) internal successors, (704), 650 states have internal predecessors, (704), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-19 08:40:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 731 transitions. [2022-11-19 08:40:49,697 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 731 transitions. Word has length 110 [2022-11-19 08:40:49,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:40:49,698 INFO L495 AbstractCegarLoop]: Abstraction has 657 states and 731 transitions. [2022-11-19 08:40:49,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 1.5038167938931297) internal successors, (197), 131 states have internal predecessors, (197), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:40:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 731 transitions. [2022-11-19 08:40:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-19 08:40:49,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:40:49,700 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:40:49,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-11-19 08:40:49,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-11-19 08:40:50,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2022-11-19 08:40:50,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 08:40:50,323 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:40:50,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:40:50,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1359083593, now seen corresponding path program 2 times [2022-11-19 08:40:50,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:40:50,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423008238] [2022-11-19 08:40:50,325 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-19 08:40:50,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:40:50,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:40:50,326 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:40:50,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-19 08:40:50,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-19 08:40:50,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:40:51,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 08:40:51,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:40:51,229 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-19 08:40:51,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-11-19 08:40:51,310 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-19 08:40:51,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 17 [2022-11-19 08:40:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-19 08:40:51,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:40:51,337 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:40:51,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423008238] [2022-11-19 08:40:51,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [423008238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:40:51,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:40:51,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:40:51,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472764862] [2022-11-19 08:40:51,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:40:51,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:40:51,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:40:51,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:40:51,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:40:51,341 INFO L87 Difference]: Start difference. First operand 657 states and 731 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:40:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:40:53,121 INFO L93 Difference]: Finished difference Result 656 states and 730 transitions. [2022-11-19 08:40:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:40:53,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 113 [2022-11-19 08:40:53,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:40:53,127 INFO L225 Difference]: With dead ends: 656 [2022-11-19 08:40:53,127 INFO L226 Difference]: Without dead ends: 656 [2022-11-19 08:40:53,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:40:53,128 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 5 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 248 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:40:53,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1507 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 497 Invalid, 0 Unknown, 248 Unchecked, 1.7s Time] [2022-11-19 08:40:53,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-11-19 08:40:53,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2022-11-19 08:40:53,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 464 states have (on average 1.5150862068965518) internal successors, (703), 649 states have internal predecessors, (703), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-19 08:40:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 730 transitions. [2022-11-19 08:40:53,143 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 730 transitions. Word has length 113 [2022-11-19 08:40:53,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:40:53,144 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 730 transitions. [2022-11-19 08:40:53,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:40:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 730 transitions. [2022-11-19 08:40:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-19 08:40:53,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:40:53,146 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:40:53,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-19 08:40:53,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:40:53,362 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 327 more)] === [2022-11-19 08:40:53,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:40:53,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1359083592, now seen corresponding path program 1 times [2022-11-19 08:40:53,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:40:53,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112866032] [2022-11-19 08:40:53,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:40:53,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 08:40:53,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:40:53,364 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 08:40:53,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-19 08:40:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:40:54,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 112 conjunts are in the unsatisfiable core [2022-11-19 08:40:54,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:40:54,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-19 08:40:54,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:40:54,509 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-19 08:40:54,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-19 08:40:54,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:40:54,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:40:54,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 08:40:54,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:40:54,736 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4147 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4147))) (exists ((v_ArrVal_4146 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4146)))) is different from true [2022-11-19 08:40:54,748 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4148 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4148))) (exists ((v_ArrVal_4149 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4149) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:40:54,989 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:40:55,010 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:40:55,067 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169)))) is different from true [2022-11-19 08:40:55,116 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173)))) is different from true [2022-11-19 08:40:55,129 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175)))) is different from true [2022-11-19 08:40:55,147 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176)))) is different from true [2022-11-19 08:40:55,164 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:40:55,180 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4180 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4180) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4181) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:40:55,196 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4182 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4182))) (exists ((v_ArrVal_4183 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4183))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:40:55,211 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4184 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4184))) (exists ((v_ArrVal_4185 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4185) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:40:55,226 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4187 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4187))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4186 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4186)))) is different from true [2022-11-19 08:40:55,241 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4188 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4188))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4189 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4189) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:40:55,257 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4190 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4190))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4191 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4191)))) is different from true [2022-11-19 08:40:55,273 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4193 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4193))) (exists ((v_ArrVal_4192 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4192) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:40:55,289 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4195 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4195))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4194 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4194)))) is different from true [2022-11-19 08:40:55,305 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4196 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4196))) (exists ((v_ArrVal_4197 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4197)))) is different from true [2022-11-19 08:40:55,322 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4199 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4199))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4198 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4198) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:40:55,338 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4201 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4201) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4200 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4200)))) is different from true [2022-11-19 08:40:55,353 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4202 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4202))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4203 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4203)))) is different from true [2022-11-19 08:40:55,369 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4205 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4205))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4204 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4204) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:40:55,384 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4206 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4206) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4207 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4207) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:40:55,398 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4209 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4209))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4208 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4208)))) is different from true [2022-11-19 08:40:55,412 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4210 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4210) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4211 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4211) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:40:55,426 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4212 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4212) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4213 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4213)))) is different from true [2022-11-19 08:40:55,462 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4214 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4214) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4215 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4215)))) is different from true [2022-11-19 08:40:55,475 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4216 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4216))) (exists ((v_ArrVal_4217 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4217) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:40:55,487 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4218 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4218) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4219 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4219)))) is different from true [2022-11-19 08:40:55,500 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4221 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4221))) (exists ((v_ArrVal_4220 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4220) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:40:55,512 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4222 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4222))) (exists ((v_ArrVal_4223 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4223)))) is different from true [2022-11-19 08:40:55,524 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4225 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4225) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4224 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4224)))) is different from true [2022-11-19 08:40:55,537 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4226 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4226))) (exists ((v_ArrVal_4227 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4227)))) is different from true [2022-11-19 08:40:55,550 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4228 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4228) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4229 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4229)))) is different from true [2022-11-19 08:40:55,567 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4230 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4230) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4231 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4231)))) is different from true [2022-11-19 08:40:55,579 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4232 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4232) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4233 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4233)))) is different from true [2022-11-19 08:40:55,626 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:40:55,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 08:40:55,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-19 08:40:55,761 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:40:55,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 08:40:55,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-19 08:40:55,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 08:40:55,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-19 08:40:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 954 not checked. [2022-11-19 08:40:55,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:40:56,050 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_4234 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4235 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4235) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) (_ bv8 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4234) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)))) (forall ((v_ArrVal_4235 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4235) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (bvule (bvadd (_ bv4 32) .cse1) (bvadd .cse1 (_ bv8 32))))))) is different from false [2022-11-19 08:40:56,102 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (and (forall ((v_ArrVal_4235 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_4235) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_4234 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4235 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_4235) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4234) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))))))) is different from false [2022-11-19 08:40:57,202 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_4326 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4327 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4235 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4326) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4327) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_4235) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_4326 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4327 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4234 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4235 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4327))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4326) .cse2 v_ArrVal_4235) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_4234) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))))) is different from false [2022-11-19 08:40:57,216 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:40:57,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112866032] [2022-11-19 08:40:57,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112866032] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:40:57,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2086225893] [2022-11-19 08:40:57,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:40:57,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:40:57,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:40:57,219 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:40:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2022-11-19 08:43:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:43:02,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 113 conjunts are in the unsatisfiable core [2022-11-19 08:43:02,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:43:02,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-19 08:43:02,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:43:02,947 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-19 08:43:02,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-19 08:43:02,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:43:02,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:43:03,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 08:43:03,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:43:03,122 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4692 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4692))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4693 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4693)))) is different from true [2022-11-19 08:43:03,140 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4695 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4695) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4694 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4694) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,152 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4697 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4697))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4696 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4696)))) is different from true [2022-11-19 08:43:03,163 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4699 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4699))) (exists ((v_ArrVal_4698 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4698) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,175 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4701 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4701) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4700 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4700) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:03,186 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4703 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4703))) (exists ((v_ArrVal_4702 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4702)))) is different from true [2022-11-19 08:43:03,200 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4704 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4704))) (exists ((v_ArrVal_4705 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4705))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,213 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4706 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4706))) (exists ((v_ArrVal_4707 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4707)))) is different from true [2022-11-19 08:43:03,226 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4708 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4708) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4709 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4709)))) is different from true [2022-11-19 08:43:03,240 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4711 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4711) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4710 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4710))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,253 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4713 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4713))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4712 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4712)))) is different from true [2022-11-19 08:43:03,267 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4714 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4714))) (exists ((v_ArrVal_4715 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4715))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,280 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4717 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4717) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4716 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4716)))) is different from true [2022-11-19 08:43:03,293 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4718 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4718) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4719 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4719) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:03,307 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4721 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4721) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4720 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4720) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:03,322 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4722 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4722))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4723 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4723)))) is different from true [2022-11-19 08:43:03,336 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4724 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4724) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4725 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4725) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:03,351 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4726 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4726))) (exists ((v_ArrVal_4727 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4727))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,366 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4729 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4729))) (exists ((v_ArrVal_4728 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4728)))) is different from true [2022-11-19 08:43:03,380 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4731 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4731))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4730 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4730) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:03,393 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4733 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4733) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4732 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4732)))) is different from true [2022-11-19 08:43:03,405 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4734 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4734) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4735 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4735) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,418 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4737 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4737))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4736 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4736)))) is different from true [2022-11-19 08:43:03,431 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4739 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4739))) (exists ((v_ArrVal_4738 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4738) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:03,444 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4741 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4741) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4740 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4740))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,457 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4742 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4742))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4743 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4743) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:03,470 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4744 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4744))) (exists ((v_ArrVal_4745 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4745)))) is different from true [2022-11-19 08:43:03,484 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4747 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4747))) (exists ((v_ArrVal_4746 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4746)))) is different from true [2022-11-19 08:43:03,496 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4748 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4748) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4749 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4749)))) is different from true [2022-11-19 08:43:03,509 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4750 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4750))) (exists ((v_ArrVal_4751 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4751))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,534 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4752 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4752))) (exists ((v_ArrVal_4753 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4753)))) is different from true [2022-11-19 08:43:03,553 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4754 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4754) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4755 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4755) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:03,567 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4756 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4756))) (exists ((v_ArrVal_4757 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4757) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,583 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4758 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4758))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4759 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4759) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:03,597 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4761 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4761))) (exists ((v_ArrVal_4760 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4760)))) is different from true [2022-11-19 08:43:03,611 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4762 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4762))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4763 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4763)))) is different from true [2022-11-19 08:43:03,624 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4764 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4764))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4765 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4765) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:03,637 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4767 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4767))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4766 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4766)))) is different from true [2022-11-19 08:43:03,650 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4769 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4769))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4768 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4768) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:03,663 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4770 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4770) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4771 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4771)))) is different from true [2022-11-19 08:43:03,676 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4772 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4772))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4773 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4773)))) is different from true [2022-11-19 08:43:03,689 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4775 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4775))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4774 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4774)))) is different from true [2022-11-19 08:43:03,702 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4776 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4776) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4777 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4777))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:03,715 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4779 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4779))) (exists ((v_ArrVal_4778 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4778)))) is different from true [2022-11-19 08:43:03,766 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:43:03,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 08:43:03,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-19 08:43:03,861 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:43:03,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 08:43:03,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-19 08:43:03,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 08:43:03,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-19 08:43:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 990 not checked. [2022-11-19 08:43:03,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:43:04,025 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_4781 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4781) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd .cse0 (_ bv4 32)) (bvadd .cse0 (_ bv8 32))))) (forall ((v_ArrVal_4780 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4781 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4781) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv8 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4780) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) is different from false [2022-11-19 08:43:04,071 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (and (forall ((v_ArrVal_4781 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_4781) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_4780 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4781 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_4781) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4780) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))))))) is different from false [2022-11-19 08:43:05,091 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_4872 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4873 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4780 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4781 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4872))) (let ((.cse0 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4873) .cse0 v_ArrVal_4781) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv8 32)) (select |c_#length| (select (select (store .cse2 .cse0 v_ArrVal_4780) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) (forall ((v_ArrVal_4872 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4873 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4781 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4873) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4872) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_4781) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd .cse3 (_ bv4 32)) (bvadd .cse3 (_ bv8 32))))))) is different from false [2022-11-19 08:43:05,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2086225893] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:43:05,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77744546] [2022-11-19 08:43:05,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:43:05,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:43:05,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:43:05,102 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:43:05,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d0e0ba-ebbb-4a9c-8f90-60ed923ce0b8/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-11-19 08:43:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:43:05,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 112 conjunts are in the unsatisfiable core [2022-11-19 08:43:05,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:43:05,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:43:05,947 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-19 08:43:05,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-19 08:43:05,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:43:05,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:43:06,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 08:43:06,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:43:06,155 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5237 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5237))) (exists ((v_ArrVal_5238 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5238)))) is different from true [2022-11-19 08:43:06,239 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243)))) is different from true [2022-11-19 08:43:06,252 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:06,270 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248)))) is different from true [2022-11-19 08:43:06,283 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:06,295 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5252 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5252))) (exists ((v_ArrVal_5251 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5251)))) is different from true [2022-11-19 08:43:06,312 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5254))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5253)))) is different from true [2022-11-19 08:43:06,325 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5256 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5256))) (exists ((v_ArrVal_5255 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5255) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:06,339 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5258) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5257 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5257) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:06,356 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5259 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5259))) (exists ((v_ArrVal_5260 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5260))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:06,370 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5262 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5262) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5261 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5261))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:06,387 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5263 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5263) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5264 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5264)))) is different from true [2022-11-19 08:43:06,400 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5266 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5266))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5265 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5265)))) is different from true [2022-11-19 08:43:06,414 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5267 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5267) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5268 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5268) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:06,428 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5269 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5269) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5270 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5270))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:06,442 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5272 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5272))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5271 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5271)))) is different from true [2022-11-19 08:43:06,456 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5274 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5274) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5273 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5273)))) is different from true [2022-11-19 08:43:06,469 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5275 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5275))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5276 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5276)))) is different from true [2022-11-19 08:43:06,481 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5278 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5278))) (exists ((v_ArrVal_5277 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5277))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:06,495 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5279 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5279))) (exists ((v_ArrVal_5280 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5280)))) is different from true [2022-11-19 08:43:06,508 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5282 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5282) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5281 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5281) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:06,586 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5284 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5284))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5283 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5283)))) is different from true [2022-11-19 08:43:06,599 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5286 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5286))) (exists ((v_ArrVal_5285 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5285) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:06,611 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5288 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5288))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5287 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5287) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:06,624 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5289 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5289))) (exists ((v_ArrVal_5290 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5290) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:06,638 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5291 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5291))) (exists ((v_ArrVal_5292 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5292)))) is different from true [2022-11-19 08:43:06,651 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5294 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5294))) (exists ((v_ArrVal_5293 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5293))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:06,664 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5296 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5296))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5295 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5295)))) is different from true [2022-11-19 08:43:06,676 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5298 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5298) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5297 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5297)))) is different from true [2022-11-19 08:43:06,689 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5300 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5300) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5299 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5299)))) is different from true [2022-11-19 08:43:06,703 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5301 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5301))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5302 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5302)))) is different from true [2022-11-19 08:43:06,739 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5303 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5303))) (exists ((v_ArrVal_5304 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5304)))) is different from true [2022-11-19 08:43:06,751 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5306 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5306) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5305 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5305) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 08:43:06,765 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5308 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5308) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5307 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5307)))) is different from true [2022-11-19 08:43:06,779 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5309 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5309) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5310 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5310)))) is different from true [2022-11-19 08:43:06,792 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5312 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5312))) (exists ((v_ArrVal_5311 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5311) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32)))) is different from true [2022-11-19 08:43:06,806 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5314 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5314))) (exists ((v_ArrVal_5313 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5313)))) is different from true [2022-11-19 08:43:06,819 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5316 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5316))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5315 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5315) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:06,832 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5317 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5317) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5318 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5318) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:06,846 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5319 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5319))) (exists ((v_ArrVal_5320 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5320)))) is different from true [2022-11-19 08:43:06,859 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5321 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5321) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5322 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5322)))) is different from true [2022-11-19 08:43:06,873 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_5323 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5323))) (exists ((v_ArrVal_5324 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5324) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:06,925 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:43:06,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 08:43:06,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-19 08:43:07,025 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:43:07,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-19 08:43:07,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-19 08:43:07,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-19 08:43:07,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-19 08:43:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 987 not checked. [2022-11-19 08:43:07,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:43:07,161 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_5325 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_5325) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_5326 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5325 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_5325) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_5326) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) is different from false [2022-11-19 08:43:07,201 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (and (forall ((v_ArrVal_5326 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5325 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_5325) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_5326) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) (forall ((v_ArrVal_5325 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_5325) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv4 32) .cse2) (bvadd (_ bv8 32) .cse2))))))) is different from false [2022-11-19 08:43:08,076 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_5418 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5417 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5325 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5417) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5418) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_5325) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_5418 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5326 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5417 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5325 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5418))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5417) .cse2 v_ArrVal_5325) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_5326) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))))) is different from false [2022-11-19 08:43:08,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77744546] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:43:08,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:43:08,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 52, 52] total 132 [2022-11-19 08:43:08,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407034936] [2022-11-19 08:43:08,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:43:08,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2022-11-19 08:43:08,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:43:08,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2022-11-19 08:43:08,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=251, Unknown=138, NotChecked=19912, Total=20592 [2022-11-19 08:43:08,092 INFO L87 Difference]: Start difference. First operand 656 states and 730 transitions. Second operand has 133 states, 131 states have (on average 1.702290076335878) internal successors, (223), 133 states have internal predecessors, (223), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 08:43:08,764 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4692 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4692))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4147 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4147))) (exists ((v_ArrVal_4146 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4146))) (exists ((v_ArrVal_4693 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4693))) (exists ((v_ArrVal_5237 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5237))) (exists ((v_ArrVal_5238 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5238)))) is different from true [2022-11-19 08:43:08,768 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4695 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4695) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4694 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4694) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_4148 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4148))) (exists ((v_ArrVal_4149 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4149) |c_#memory_$Pointer$.base|))) is different from true [2022-11-19 08:43:08,773 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4697 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4697))) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4696 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4696)))) is different from true [2022-11-19 08:43:08,798 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4701 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4701) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4700 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4700) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:08,805 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_4703 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4703))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4702 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4702))) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:08,813 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_4704 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4704))) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_ArrVal_4705 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4705))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5252 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5252))) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_5251 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5251))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4180 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4180) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4181) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:08,821 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_4182 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4182))) (exists ((v_ArrVal_4183 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4183))) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_ArrVal_5254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5254))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5252 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5252))) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_5251 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5251))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_4706 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4706))) (exists ((v_ArrVal_5253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5253))) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4180 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4180) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4181) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4707 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4707))) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:08,831 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_4182 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4182))) (exists ((v_ArrVal_4183 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4183))) (exists ((v_ArrVal_4708 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4708) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_ArrVal_5254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5254))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5252 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5252))) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_5251 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5251))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_5253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5253))) (exists ((v_ArrVal_4709 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4709))) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_4184 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4184))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4180 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4180) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_5256 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5256))) (exists ((v_ArrVal_5255 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5255) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4185 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4185) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4181) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:08,840 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4711 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4711) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_5258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5258) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4187 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4187))) (exists ((v_ArrVal_4182 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4182))) (exists ((v_ArrVal_4183 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4183))) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_ArrVal_4710 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4710))) (exists ((v_ArrVal_5254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5254))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5252 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5252))) (exists ((v_ArrVal_4186 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4186))) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_5251 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5251))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_5253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5253))) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_4184 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4184))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_5257 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5257) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4180 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4180) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_5256 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5256))) (exists ((v_ArrVal_5255 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5255) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4185 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4185) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4181) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:08,849 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4188 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4188))) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_5259 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5259))) (exists ((v_ArrVal_5258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5258) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5260 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5260))) (exists ((v_ArrVal_4187 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4187))) (exists ((v_ArrVal_4182 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4182))) (exists ((v_ArrVal_4183 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4183))) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_ArrVal_4713 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4713))) (exists ((v_ArrVal_5254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5254))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5252 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5252))) (exists ((v_ArrVal_4186 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4186))) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_5251 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5251))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_5253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5253))) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_4184 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4184))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_5257 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5257) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4180 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4180) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_4189 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4189) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5256 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5256))) (exists ((v_ArrVal_5255 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5255) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4185 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4185) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4712 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4712))) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4181) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:08,863 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4188 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4188))) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_5262 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5262) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_4190 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4190))) (exists ((v_ArrVal_5259 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5259))) (exists ((v_ArrVal_5258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5258) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5260 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5260))) (exists ((v_ArrVal_4187 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4187))) (exists ((v_ArrVal_4182 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4182))) (exists ((v_ArrVal_4183 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4183))) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4714 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4714))) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_ArrVal_4715 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4715))) (exists ((v_ArrVal_5254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5254))) (exists ((v_ArrVal_5261 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5261))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5252 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5252))) (exists ((v_ArrVal_4186 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4186))) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_5251 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5251))) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_5253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5253))) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_4184 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4184))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_5257 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5257) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_4191 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4191))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4180 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4180) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_4189 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4189) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5256 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5256))) (exists ((v_ArrVal_5255 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5255) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4185 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4185) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4181) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:08,875 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5245 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5245) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4188 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4188))) (exists ((v_ArrVal_5246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5246))) (exists ((v_ArrVal_5262 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5262) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4151 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4151) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4168 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4168))) (exists ((v_ArrVal_4190 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4190))) (exists ((v_ArrVal_5259 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5259))) (exists ((v_ArrVal_5258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5258) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5260 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5260))) (exists ((v_ArrVal_4187 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4187))) (exists ((v_ArrVal_4182 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4182))) (exists ((v_ArrVal_4183 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4183))) (exists ((v_ArrVal_5247 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5247) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4177 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4177))) (exists ((v_ArrVal_5254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5254))) (exists ((v_ArrVal_5261 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5261))) (exists ((v_arrayElimCell_26 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_26) (_ bv44 32))) (exists ((v_ArrVal_4150 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4150))) (exists ((v_ArrVal_5248 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5248))) (exists ((v_ArrVal_4172 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4172) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4179 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4179) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5252 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5252))) (exists ((v_ArrVal_4186 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4186))) (exists ((v_ArrVal_4173 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4173))) (exists ((v_ArrVal_5251 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5251))) (exists ((v_ArrVal_5263 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5263) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4165 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4165))) (exists ((v_ArrVal_5253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5253))) (exists ((v_ArrVal_4178 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4178) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5249))) (exists ((v_ArrVal_4717 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4717) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4184 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4184))) (exists ((v_ArrVal_4174 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4174))) (exists ((v_ArrVal_5264 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5264))) (exists ((v_ArrVal_4169 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4169))) (exists ((v_ArrVal_5257 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5257) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4193 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4193))) (exists ((v_ArrVal_4175 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4175))) (exists ((v_ArrVal_5244 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5244))) (exists ((v_ArrVal_4191 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4191))) (exists ((v_ArrVal_5250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5250) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4163 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4163))) (exists ((v_ArrVal_4162 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4162) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4180 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4180) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4176 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4176))) (exists ((v_ArrVal_4189 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4189) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5256 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5256))) (exists ((v_ArrVal_5255 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5255) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4185 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4185) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5243 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5243))) (exists ((v_ArrVal_4181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4181) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4716 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4716))) (exists ((v_ArrVal_4192 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4192) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4164 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4164)))) is different from true [2022-11-19 08:43:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:43:13,923 INFO L93 Difference]: Finished difference Result 673 states and 757 transitions. [2022-11-19 08:43:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-19 08:43:13,926 INFO L78 Accepts]: Start accepts. Automaton has has 133 states, 131 states have (on average 1.702290076335878) internal successors, (223), 133 states have internal predecessors, (223), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 113 [2022-11-19 08:43:13,926 INFO L84 Accepts]: Finished accepts. each prefix is rejected. [2022-11-19 08:43:13,927 INFO L78 Accepts]: Start accepts. Automaton has has 133 states, 131 states have (on average 1.702290076335878) internal successors, (223), 133 states have internal predecessors, (223), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 113