./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs --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 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:41:35,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:41:35,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:41:35,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:41:35,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:41:35,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:41:35,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:41:35,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:41:35,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:41:35,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:41:35,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:41:35,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:41:35,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:41:35,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:41:35,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:41:35,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:41:35,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:41:35,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:41:35,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:41:35,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:41:35,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:41:35,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:41:35,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:41:35,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:41:35,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:41:35,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:41:35,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:41:35,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:41:35,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:41:35,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:41:35,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:41:35,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:41:35,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:41:35,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:41:35,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:41:35,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:41:35,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:41:35,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:41:35,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:41:35,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:41:35,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:41:35,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-19 14:41:35,882 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:41:35,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:41:35,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:41:35,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:41:35,884 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:41:35,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:41:35,884 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:41:35,884 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:41:35,885 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:41:35,885 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:41:35,885 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:41:35,885 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:41:35,886 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:41:35,886 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:41:35,886 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:41:35,887 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:41:35,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 14:41:35,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 14:41:35,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:41:35,888 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:41:35,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:41:35,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:41:35,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:41:35,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:41:35,889 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 14:41:35,890 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 14:41:35,890 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 14:41:35,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:41:35,891 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:41:35,891 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:41:35,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:41:35,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:41:35,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:41:35,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:41:35,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:41:35,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:41:35,893 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:41:35,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:41:35,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:41:35,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:41:35,894 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2021-11-19 14:41:36,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:41:36,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:41:36,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:41:36,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:41:36,266 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:41:36,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-19 14:41:36,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data/a72d81a3d/399fce8912cc492b9deac8c7d728bd52/FLAG90bac2a8f [2021-11-19 14:41:37,078 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:41:37,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-19 14:41:37,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data/a72d81a3d/399fce8912cc492b9deac8c7d728bd52/FLAG90bac2a8f [2021-11-19 14:41:37,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data/a72d81a3d/399fce8912cc492b9deac8c7d728bd52 [2021-11-19 14:41:37,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:41:37,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:41:37,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:41:37,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:41:37,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:41:37,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:37" (1/1) ... [2021-11-19 14:41:37,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5d9b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:37, skipping insertion in model container [2021-11-19 14:41:37,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:37" (1/1) ... [2021-11-19 14:41:37,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:41:37,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:41:37,778 WARN L230 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_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-19 14:41:37,874 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:41:37,890 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:41:37,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@764dc71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:37, skipping insertion in model container [2021-11-19 14:41:37,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:41:37,899 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:41:37,903 INFO L158 Benchmark]: Toolchain (without parser) took 637.42ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 56.4MB in the beginning and 84.3MB in the end (delta: -27.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:41:37,905 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:41:37,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.70ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 56.2MB in the beginning and 84.3MB in the end (delta: -28.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:41:37,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.70ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 56.2MB in the beginning and 84.3MB in the end (delta: -28.1MB). 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 where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs --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 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:41:40,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:41:40,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:41:40,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:41:40,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:41:40,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:41:40,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:41:40,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:41:40,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:41:40,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:41:40,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:41:40,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:41:40,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:41:40,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:41:40,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:41:40,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:41:40,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:41:40,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:41:40,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:41:40,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:41:40,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:41:40,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:41:40,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:41:40,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:41:40,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:41:40,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:41:40,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:41:40,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:41:40,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:41:40,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:41:40,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:41:40,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:41:40,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:41:40,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:41:40,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:41:40,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:41:40,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:41:40,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:41:40,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:41:40,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:41:40,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:41:40,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-19 14:41:40,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:41:40,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:41:40,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:41:40,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:41:40,629 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:41:40,629 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:41:40,629 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:41:40,629 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:41:40,629 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:41:40,629 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:41:40,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 14:41:40,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 14:41:40,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:41:40,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:41:40,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:41:40,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:41:40,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:41:40,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:41:40,632 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 14:41:40,632 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 14:41:40,632 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 14:41:40,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:41:40,633 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:41:40,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:41:40,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:41:40,633 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:41:40,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:41:40,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:41:40,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:41:40,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:41:40,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:41:40,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:41:40,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:41:40,635 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:41:40,635 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:41:40,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:41:40,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:41:40,635 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_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2021-11-19 14:41:41,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:41:41,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:41:41,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:41:41,183 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:41:41,184 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:41:41,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-19 14:41:41,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data/52083cd25/b1950f168a39405ea32d1a62640b81be/FLAG9851d0858 [2021-11-19 14:41:42,112 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:41:42,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-19 14:41:42,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data/52083cd25/b1950f168a39405ea32d1a62640b81be/FLAG9851d0858 [2021-11-19 14:41:42,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/data/52083cd25/b1950f168a39405ea32d1a62640b81be [2021-11-19 14:41:42,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:41:42,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:41:42,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:41:42,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:41:42,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:41:42,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:42" (1/1) ... [2021-11-19 14:41:42,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f007bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:42, skipping insertion in model container [2021-11-19 14:41:42,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:42" (1/1) ... [2021-11-19 14:41:42,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:41:42,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:41:42,844 WARN L230 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_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-19 14:41:42,952 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:41:42,965 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:41:42,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:41:42,995 WARN L230 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_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-19 14:41:43,046 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:41:43,060 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:41:43,122 WARN L230 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_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-19 14:41:43,212 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:41:43,270 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:41:43,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43 WrapperNode [2021-11-19 14:41:43,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:41:43,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:41:43,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:41:43,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:41:43,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,405 INFO L137 Inliner]: procedures = 180, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 628 [2021-11-19 14:41:43,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:41:43,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:41:43,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:41:43,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:41:43,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:41:43,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:41:43,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:41:43,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:41:43,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (1/1) ... [2021-11-19 14:41:43,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:41:43,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:41:43,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:41:43,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:41:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:41:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:41:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:41:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:41:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:41:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:41:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:41:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:41:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:41:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:41:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:41:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:41:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:41:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:41:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:41:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:41:43,936 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:41:43,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:41:43,943 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 14:41:47,644 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:41:47,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:41:47,659 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-19 14:41:47,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:47 BoogieIcfgContainer [2021-11-19 14:41:47,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:41:47,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:41:47,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:41:47,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:41:47,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:41:42" (1/3) ... [2021-11-19 14:41:47,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5693cf26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:41:47, skipping insertion in model container [2021-11-19 14:41:47,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:43" (2/3) ... [2021-11-19 14:41:47,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5693cf26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:41:47, skipping insertion in model container [2021-11-19 14:41:47,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:47" (3/3) ... [2021-11-19 14:41:47,674 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2021-11-19 14:41:47,681 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:41:47,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 330 error locations. [2021-11-19 14:41:47,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:41:47,762 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:41:47,762 INFO L340 AbstractCegarLoop]: Starting to check reachability of 330 error locations. [2021-11-19 14:41:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 668 states, 325 states have (on average 2.230769230769231) internal successors, (725), 662 states have internal predecessors, (725), 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) [2021-11-19 14:41:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 14:41:47,806 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:47,807 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 14:41:47,807 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:41:47,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:47,815 INFO L85 PathProgramCache]: Analyzing trace with hash 37287509, now seen corresponding path program 1 times [2021-11-19 14:41:47,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:47,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291094723] [2021-11-19 14:41:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:47,832 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:47,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:47,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:47,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:41:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:47,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:41:47,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:48,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:48,060 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:48,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291094723] [2021-11-19 14:41:48,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291094723] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:48,062 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:48,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 14:41:48,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073407065] [2021-11-19 14:41:48,065 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:48,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:41:48,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:48,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:41:48,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:41:48,120 INFO L87 Difference]: Start difference. First operand has 668 states, 325 states have (on average 2.230769230769231) internal successors, (725), 662 states have internal predecessors, (725), 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) [2021-11-19 14:41:48,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:48,199 INFO L93 Difference]: Finished difference Result 659 states and 706 transitions. [2021-11-19 14:41:48,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:41:48,201 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 [2021-11-19 14:41:48,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:48,227 INFO L225 Difference]: With dead ends: 659 [2021-11-19 14:41:48,228 INFO L226 Difference]: Without dead ends: 657 [2021-11-19 14:41:48,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:41:48,234 INFO L933 BasicCegarLoop]: 706 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, 706 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 [2021-11-19 14:41:48,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:41:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2021-11-19 14:41:48,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 657. [2021-11-19 14:41:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 320 states have (on average 2.11875) internal successors, (678), 651 states have internal predecessors, (678), 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) [2021-11-19 14:41:48,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 704 transitions. [2021-11-19 14:41:48,371 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 704 transitions. Word has length 5 [2021-11-19 14:41:48,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:48,371 INFO L470 AbstractCegarLoop]: Abstraction has 657 states and 704 transitions. [2021-11-19 14:41:48,372 INFO L471 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) [2021-11-19 14:41:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 704 transitions. [2021-11-19 14:41:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 14:41:48,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:48,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 14:41:48,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:48,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:48,574 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:41:48,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:48,575 INFO L85 PathProgramCache]: Analyzing trace with hash 37287571, now seen corresponding path program 1 times [2021-11-19 14:41:48,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:48,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061530039] [2021-11-19 14:41:48,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:48,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:48,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:48,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:48,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:41:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:48,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:41:48,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:48,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:41:48,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:48,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:48,846 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:48,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061530039] [2021-11-19 14:41:48,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061530039] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:48,853 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:48,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 14:41:48,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9781625] [2021-11-19 14:41:48,855 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:48,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:41:48,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:48,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:41:48,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:41:48,865 INFO L87 Difference]: Start difference. First operand 657 states and 704 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) [2021-11-19 14:41:50,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:50,739 INFO L93 Difference]: Finished difference Result 615 states and 663 transitions. [2021-11-19 14:41:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:41:50,740 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 [2021-11-19 14:41:50,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:50,746 INFO L225 Difference]: With dead ends: 615 [2021-11-19 14:41:50,747 INFO L226 Difference]: Without dead ends: 615 [2021-11-19 14:41:50,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:41:50,749 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 596 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:41:50,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [609 Valid, 351 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 14:41:50,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-11-19 14:41:50,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 608. [2021-11-19 14:41:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 320 states have (on average 1.965625) internal successors, (629), 602 states have internal predecessors, (629), 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) [2021-11-19 14:41:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 655 transitions. [2021-11-19 14:41:50,790 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 655 transitions. Word has length 5 [2021-11-19 14:41:50,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:50,790 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 655 transitions. [2021-11-19 14:41:50,791 INFO L471 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) [2021-11-19 14:41:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 655 transitions. [2021-11-19 14:41:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 14:41:50,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:50,792 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 14:41:50,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:51,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:51,004 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:41:51,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:51,005 INFO L85 PathProgramCache]: Analyzing trace with hash 37287572, now seen corresponding path program 1 times [2021-11-19 14:41:51,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:51,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60585442] [2021-11-19 14:41:51,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:51,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:51,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:51,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:51,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:41:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:51,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:41:51,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:51,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:41:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:51,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:51,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:51,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:51,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60585442] [2021-11-19 14:41:51,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60585442] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:51,235 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:51,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-19 14:41:51,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975684383] [2021-11-19 14:41:51,236 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:51,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:41:51,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:51,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:41:51,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:41:51,238 INFO L87 Difference]: Start difference. First operand 608 states and 655 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:41:54,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:54,333 INFO L93 Difference]: Finished difference Result 681 states and 732 transitions. [2021-11-19 14:41:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:41:54,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-19 14:41:54,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:54,340 INFO L225 Difference]: With dead ends: 681 [2021-11-19 14:41:54,341 INFO L226 Difference]: Without dead ends: 681 [2021-11-19 14:41:54,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:41:54,343 INFO L933 BasicCegarLoop]: 495 mSDtfsCounter, 577 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:41:54,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 696 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 14:41:54,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2021-11-19 14:41:54,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 630. [2021-11-19 14:41:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 352 states have (on average 1.9460227272727273) internal successors, (685), 624 states have internal predecessors, (685), 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) [2021-11-19 14:41:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 711 transitions. [2021-11-19 14:41:54,379 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 711 transitions. Word has length 5 [2021-11-19 14:41:54,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:54,379 INFO L470 AbstractCegarLoop]: Abstraction has 630 states and 711 transitions. [2021-11-19 14:41:54,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:41:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 711 transitions. [2021-11-19 14:41:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 14:41:54,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:54,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 14:41:54,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:54,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:54,595 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr322REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:41:54,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1156735106, now seen corresponding path program 1 times [2021-11-19 14:41:54,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:54,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459439793] [2021-11-19 14:41:54,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:54,597 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:54,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:54,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:54,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:41:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:54,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:41:54,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:54,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:54,739 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:54,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459439793] [2021-11-19 14:41:54,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459439793] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:54,748 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:54,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:41:54,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521546032] [2021-11-19 14:41:54,749 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:54,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:41:54,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:54,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:41:54,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:41:54,752 INFO L87 Difference]: Start difference. First operand 630 states and 711 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:41:54,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:54,897 INFO L93 Difference]: Finished difference Result 1212 states and 1354 transitions. [2021-11-19 14:41:54,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:41:54,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-19 14:41:54,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:54,908 INFO L225 Difference]: With dead ends: 1212 [2021-11-19 14:41:54,908 INFO L226 Difference]: Without dead ends: 1212 [2021-11-19 14:41:54,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:41:54,910 INFO L933 BasicCegarLoop]: 866 mSDtfsCounter, 1138 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:41:54,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1144 Valid, 1572 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:41:54,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2021-11-19 14:41:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 952. [2021-11-19 14:41:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 674 states have (on average 1.9614243323442135) internal successors, (1322), 943 states have internal predecessors, (1322), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:41:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1354 transitions. [2021-11-19 14:41:54,957 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1354 transitions. Word has length 6 [2021-11-19 14:41:54,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:54,958 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1354 transitions. [2021-11-19 14:41:54,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:41:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1354 transitions. [2021-11-19 14:41:54,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 14:41:54,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:54,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:41:54,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:55,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:55,173 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:41:55,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:55,174 INFO L85 PathProgramCache]: Analyzing trace with hash 334651453, now seen corresponding path program 1 times [2021-11-19 14:41:55,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:55,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833841621] [2021-11-19 14:41:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:55,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:55,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:55,178 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:55,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:41:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:55,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:41:55,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:55,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:55,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:55,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833841621] [2021-11-19 14:41:55,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833841621] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:55,362 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:55,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:41:55,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789792761] [2021-11-19 14:41:55,362 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:55,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:41:55,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:55,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:41:55,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:41:55,364 INFO L87 Difference]: Start difference. First operand 952 states and 1354 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) [2021-11-19 14:41:55,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:55,408 INFO L93 Difference]: Finished difference Result 892 states and 1268 transitions. [2021-11-19 14:41:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:41:55,408 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 11 [2021-11-19 14:41:55,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:55,415 INFO L225 Difference]: With dead ends: 892 [2021-11-19 14:41:55,415 INFO L226 Difference]: Without dead ends: 892 [2021-11-19 14:41:55,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:41:55,417 INFO L933 BasicCegarLoop]: 597 mSDtfsCounter, 563 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:41:55,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 657 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:41:55,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-11-19 14:41:55,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 892. [2021-11-19 14:41:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 638 states have (on average 1.9373040752351096) internal successors, (1236), 883 states have internal predecessors, (1236), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:41:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1268 transitions. [2021-11-19 14:41:55,446 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1268 transitions. Word has length 11 [2021-11-19 14:41:55,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:55,447 INFO L470 AbstractCegarLoop]: Abstraction has 892 states and 1268 transitions. [2021-11-19 14:41:55,447 INFO L471 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) [2021-11-19 14:41:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1268 transitions. [2021-11-19 14:41:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 14:41:55,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:55,448 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:41:55,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:55,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:55,660 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:41:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:55,661 INFO L85 PathProgramCache]: Analyzing trace with hash -522505033, now seen corresponding path program 1 times [2021-11-19 14:41:55,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:55,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043108216] [2021-11-19 14:41:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:55,662 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:55,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:55,663 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:55,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:41:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:55,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:41:55,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:55,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:55,865 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:55,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043108216] [2021-11-19 14:41:55,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043108216] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:55,865 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:55,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-19 14:41:55,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661290649] [2021-11-19 14:41:55,866 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:55,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:41:55,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:55,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:41:55,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:41:55,867 INFO L87 Difference]: Start difference. First operand 892 states and 1268 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:41:55,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:55,983 INFO L93 Difference]: Finished difference Result 864 states and 1212 transitions. [2021-11-19 14:41:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:41:55,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 [2021-11-19 14:41:55,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:55,991 INFO L225 Difference]: With dead ends: 864 [2021-11-19 14:41:55,991 INFO L226 Difference]: Without dead ends: 864 [2021-11-19 14:41:55,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:41:55,993 INFO L933 BasicCegarLoop]: 552 mSDtfsCounter, 534 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:41:55,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [547 Valid, 1157 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:41:55,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2021-11-19 14:41:56,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 862. [2021-11-19 14:41:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 622 states have (on average 1.8938906752411575) internal successors, (1178), 853 states have internal predecessors, (1178), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:41:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1210 transitions. [2021-11-19 14:41:56,027 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1210 transitions. Word has length 13 [2021-11-19 14:41:56,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:56,028 INFO L470 AbstractCegarLoop]: Abstraction has 862 states and 1210 transitions. [2021-11-19 14:41:56,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:41:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1210 transitions. [2021-11-19 14:41:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-19 14:41:56,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:56,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:41:56,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:56,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:56,243 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr42REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:41:56,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash -22216187, now seen corresponding path program 1 times [2021-11-19 14:41:56,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:56,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836472272] [2021-11-19 14:41:56,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:56,246 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:56,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:56,247 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:56,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:41:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:56,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:41:56,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:56,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:41:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:56,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:56,634 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:56,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836472272] [2021-11-19 14:41:56,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836472272] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:56,634 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:56,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:41:56,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538204987] [2021-11-19 14:41:56,635 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:56,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:41:56,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:56,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:41:56,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:41:56,636 INFO L87 Difference]: Start difference. First operand 862 states and 1210 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) [2021-11-19 14:41:58,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:41:58,390 INFO L93 Difference]: Finished difference Result 912 states and 1277 transitions. [2021-11-19 14:41:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:41:58,391 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 [2021-11-19 14:41:58,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:41:58,398 INFO L225 Difference]: With dead ends: 912 [2021-11-19 14:41:58,399 INFO L226 Difference]: Without dead ends: 912 [2021-11-19 14:41:58,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:41:58,400 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 960 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:41:58,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [970 Valid, 385 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 14:41:58,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-11-19 14:41:58,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 858. [2021-11-19 14:41:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 622 states have (on average 1.8810289389067525) internal successors, (1170), 849 states have internal predecessors, (1170), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:41:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1202 transitions. [2021-11-19 14:41:58,437 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1202 transitions. Word has length 27 [2021-11-19 14:41:58,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:41:58,437 INFO L470 AbstractCegarLoop]: Abstraction has 858 states and 1202 transitions. [2021-11-19 14:41:58,438 INFO L471 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) [2021-11-19 14:41:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1202 transitions. [2021-11-19 14:41:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-19 14:41:58,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:41:58,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:41:58,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:41:58,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:41:58,652 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr43REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:41:58,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:41:58,653 INFO L85 PathProgramCache]: Analyzing trace with hash -22216186, now seen corresponding path program 1 times [2021-11-19 14:41:58,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:41:58,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826676511] [2021-11-19 14:41:58,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:41:58,653 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:41:58,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:41:58,654 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:41:58,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:41:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:41:58,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:41:58,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:41:58,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:41:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:59,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:41:59,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:41:59,654 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:41:59,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826676511] [2021-11-19 14:41:59,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826676511] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:41:59,655 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:41:59,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-19 14:41:59,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317482673] [2021-11-19 14:41:59,655 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:41:59,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:41:59,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:41:59,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:41:59,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:41:59,657 INFO L87 Difference]: Start difference. First operand 858 states and 1202 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:42:05,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:05,701 INFO L93 Difference]: Finished difference Result 959 states and 1295 transitions. [2021-11-19 14:42:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:42:05,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-19 14:42:05,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:05,710 INFO L225 Difference]: With dead ends: 959 [2021-11-19 14:42:05,711 INFO L226 Difference]: Without dead ends: 959 [2021-11-19 14:42:05,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:42:05,712 INFO L933 BasicCegarLoop]: 459 mSDtfsCounter, 489 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:42:05,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [499 Valid, 1230 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-19 14:42:05,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2021-11-19 14:42:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 854. [2021-11-19 14:42:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 622 states have (on average 1.8681672025723473) internal successors, (1162), 845 states have internal predecessors, (1162), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:42:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1194 transitions. [2021-11-19 14:42:05,747 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1194 transitions. Word has length 27 [2021-11-19 14:42:05,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:05,748 INFO L470 AbstractCegarLoop]: Abstraction has 854 states and 1194 transitions. [2021-11-19 14:42:05,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:42:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1194 transitions. [2021-11-19 14:42:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-19 14:42:05,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:05,750 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:05,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:05,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:42:05,970 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr108REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:05,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:05,971 INFO L85 PathProgramCache]: Analyzing trace with hash 810363537, now seen corresponding path program 1 times [2021-11-19 14:42:05,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:05,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237028664] [2021-11-19 14:42:05,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:05,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:05,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:05,973 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:05,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:42:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:06,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:42:06,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:06,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:06,461 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:06,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237028664] [2021-11-19 14:42:06,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237028664] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:42:06,462 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:42:06,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 14:42:06,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143753876] [2021-11-19 14:42:06,462 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:42:06,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:42:06,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:06,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:42:06,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:42:06,466 INFO L87 Difference]: Start difference. First operand 854 states and 1194 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) [2021-11-19 14:42:06,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:06,540 INFO L93 Difference]: Finished difference Result 842 states and 1174 transitions. [2021-11-19 14:42:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:42:06,541 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 [2021-11-19 14:42:06,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:06,550 INFO L225 Difference]: With dead ends: 842 [2021-11-19 14:42:06,550 INFO L226 Difference]: Without dead ends: 842 [2021-11-19 14:42:06,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:42:06,554 INFO L933 BasicCegarLoop]: 546 mSDtfsCounter, 510 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:42:06,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 1105 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:42:06,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-11-19 14:42:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2021-11-19 14:42:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 610 states have (on average 1.8721311475409836) internal successors, (1142), 833 states have internal predecessors, (1142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:42:06,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1174 transitions. [2021-11-19 14:42:06,590 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1174 transitions. Word has length 42 [2021-11-19 14:42:06,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:06,593 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1174 transitions. [2021-11-19 14:42:06,593 INFO L471 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) [2021-11-19 14:42:06,594 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1174 transitions. [2021-11-19 14:42:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-19 14:42:06,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:06,600 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:06,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:06,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:42:06,816 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr108REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:06,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2087041861, now seen corresponding path program 1 times [2021-11-19 14:42:06,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:06,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036666907] [2021-11-19 14:42:06,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:06,819 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:06,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:06,821 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:06,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:42:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:07,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:42:07,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:07,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:07,918 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:07,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036666907] [2021-11-19 14:42:07,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036666907] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:42:07,918 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:42:07,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:42:07,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259947024] [2021-11-19 14:42:07,919 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:42:07,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:42:07,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:07,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:42:07,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:42:07,920 INFO L87 Difference]: Start difference. First operand 842 states and 1174 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) [2021-11-19 14:42:08,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:08,026 INFO L93 Difference]: Finished difference Result 792 states and 1069 transitions. [2021-11-19 14:42:08,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:42:08,027 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 [2021-11-19 14:42:08,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:08,033 INFO L225 Difference]: With dead ends: 792 [2021-11-19 14:42:08,033 INFO L226 Difference]: Without dead ends: 792 [2021-11-19 14:42:08,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:42:08,035 INFO L933 BasicCegarLoop]: 554 mSDtfsCounter, 67 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1012 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 [2021-11-19 14:42:08,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 1012 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:42:08,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2021-11-19 14:42:08,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2021-11-19 14:42:08,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 560 states have (on average 1.8517857142857144) internal successors, (1037), 783 states have internal predecessors, (1037), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:42:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1069 transitions. [2021-11-19 14:42:08,066 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1069 transitions. Word has length 50 [2021-11-19 14:42:08,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:08,066 INFO L470 AbstractCegarLoop]: Abstraction has 792 states and 1069 transitions. [2021-11-19 14:42:08,067 INFO L471 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) [2021-11-19 14:42:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1069 transitions. [2021-11-19 14:42:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-19 14:42:08,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:08,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:08,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:08,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:42:08,286 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr61REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:08,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:08,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1009990608, now seen corresponding path program 1 times [2021-11-19 14:42:08,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:08,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005181208] [2021-11-19 14:42:08,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:08,288 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:08,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:08,292 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:08,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 14:42:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:08,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:42:08,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:08,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:42:08,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:42:09,454 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-19 14:42:09,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-19 14:42:09,466 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 14:42:09,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 [2021-11-19 14:42:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:09,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:14,759 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:14,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005181208] [2021-11-19 14:42:14,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005181208] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:42:14,760 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:42:14,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-19 14:42:14,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545072096] [2021-11-19 14:42:14,761 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:42:14,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:42:14,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:42:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-19 14:42:14,763 INFO L87 Difference]: Start difference. First operand 792 states and 1069 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:42:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:18,001 INFO L93 Difference]: Finished difference Result 963 states and 1185 transitions. [2021-11-19 14:42:18,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:42:18,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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 [2021-11-19 14:42:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:18,009 INFO L225 Difference]: With dead ends: 963 [2021-11-19 14:42:18,009 INFO L226 Difference]: Without dead ends: 963 [2021-11-19 14:42:18,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-19 14:42:18,010 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 1127 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 646 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:42:18,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1131 Valid, 628 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 631 Invalid, 0 Unknown, 646 Unchecked, 3.2s Time] [2021-11-19 14:42:18,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-11-19 14:42:18,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 773. [2021-11-19 14:42:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 573 states have (on average 1.7399650959860384) internal successors, (997), 764 states have internal predecessors, (997), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:42:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1029 transitions. [2021-11-19 14:42:18,036 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1029 transitions. Word has length 53 [2021-11-19 14:42:18,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:18,037 INFO L470 AbstractCegarLoop]: Abstraction has 773 states and 1029 transitions. [2021-11-19 14:42:18,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:42:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1029 transitions. [2021-11-19 14:42:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-19 14:42:18,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:18,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:18,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-19 14:42:18,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:42:18,253 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr63REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:18,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:18,254 INFO L85 PathProgramCache]: Analyzing trace with hash -61627503, now seen corresponding path program 1 times [2021-11-19 14:42:18,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:18,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639401382] [2021-11-19 14:42:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:18,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:18,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:18,256 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:18,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:42:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:18,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:42:18,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:18,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:18,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 6 [2021-11-19 14:42:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:19,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:19,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639401382] [2021-11-19 14:42:19,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639401382] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:42:19,176 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:42:19,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-19 14:42:19,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587062003] [2021-11-19 14:42:19,176 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:42:19,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:42:19,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:19,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:42:19,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:42:19,178 INFO L87 Difference]: Start difference. First operand 773 states and 1029 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:42:20,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:20,841 INFO L93 Difference]: Finished difference Result 771 states and 1025 transitions. [2021-11-19 14:42:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:42:20,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 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 55 [2021-11-19 14:42:20,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:20,848 INFO L225 Difference]: With dead ends: 771 [2021-11-19 14:42:20,848 INFO L226 Difference]: Without dead ends: 771 [2021-11-19 14:42:20,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:42:20,849 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1246 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:42:20,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1249 Valid, 469 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 14:42:20,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-11-19 14:42:20,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2021-11-19 14:42:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 573 states have (on average 1.7329842931937174) internal successors, (993), 762 states have internal predecessors, (993), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:42:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1025 transitions. [2021-11-19 14:42:20,874 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1025 transitions. Word has length 55 [2021-11-19 14:42:20,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:20,875 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 1025 transitions. [2021-11-19 14:42:20,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:42:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1025 transitions. [2021-11-19 14:42:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-19 14:42:20,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:20,877 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:20,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:21,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:42:21,093 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr66REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:21,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:21,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1993678057, now seen corresponding path program 1 times [2021-11-19 14:42:21,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:21,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443031048] [2021-11-19 14:42:21,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:21,096 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:21,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:21,097 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:21,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 14:42:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:21,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:42:21,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:21,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:42:21,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-11-19 14:42:21,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-19 14:42:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:21,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:21,697 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:21,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443031048] [2021-11-19 14:42:21,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443031048] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:42:21,698 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:42:21,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 14:42:21,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666875157] [2021-11-19 14:42:21,698 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:42:21,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:42:21,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:21,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:42:21,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:42:21,699 INFO L87 Difference]: Start difference. First operand 771 states and 1025 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) [2021-11-19 14:42:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:23,729 INFO L93 Difference]: Finished difference Result 770 states and 1023 transitions. [2021-11-19 14:42:23,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:42:23,729 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 [2021-11-19 14:42:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:23,733 INFO L225 Difference]: With dead ends: 770 [2021-11-19 14:42:23,733 INFO L226 Difference]: Without dead ends: 770 [2021-11-19 14:42:23,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:42:23,734 INFO L933 BasicCegarLoop]: 516 mSDtfsCounter, 4 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:42:23,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 1337 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-19 14:42:23,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2021-11-19 14:42:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2021-11-19 14:42:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 573 states have (on average 1.7294938917975566) internal successors, (991), 761 states have internal predecessors, (991), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:42:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1023 transitions. [2021-11-19 14:42:23,758 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1023 transitions. Word has length 58 [2021-11-19 14:42:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:23,759 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 1023 transitions. [2021-11-19 14:42:23,759 INFO L471 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) [2021-11-19 14:42:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1023 transitions. [2021-11-19 14:42:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-19 14:42:23,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:23,760 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:23,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:23,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:42:23,977 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr67REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:23,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:23,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1993678056, now seen corresponding path program 1 times [2021-11-19 14:42:23,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:23,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968148749] [2021-11-19 14:42:23,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:23,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:23,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:23,980 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:24,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 14:42:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:24,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 14:42:24,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:24,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:42:24,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-19 14:42:24,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 14:42:24,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-19 14:42:24,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-11-19 14:42:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:24,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:24,764 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:24,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968148749] [2021-11-19 14:42:24,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968148749] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:42:24,765 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:42:24,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-19 14:42:24,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650106439] [2021-11-19 14:42:24,765 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:42:24,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:42:24,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:24,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:42:24,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:42:24,767 INFO L87 Difference]: Start difference. First operand 770 states and 1023 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:42:30,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:30,998 INFO L93 Difference]: Finished difference Result 769 states and 1021 transitions. [2021-11-19 14:42:30,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:42:31,000 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-19 14:42:31,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:31,004 INFO L225 Difference]: With dead ends: 769 [2021-11-19 14:42:31,005 INFO L226 Difference]: Without dead ends: 769 [2021-11-19 14:42:31,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:42:31,006 INFO L933 BasicCegarLoop]: 516 mSDtfsCounter, 2 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:42:31,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1884 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-11-19 14:42:31,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2021-11-19 14:42:31,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 769. [2021-11-19 14:42:31,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 571 states have (on average 1.7320490367775832) internal successors, (989), 760 states have internal predecessors, (989), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 14:42:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1021 transitions. [2021-11-19 14:42:31,030 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1021 transitions. Word has length 58 [2021-11-19 14:42:31,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:31,030 INFO L470 AbstractCegarLoop]: Abstraction has 769 states and 1021 transitions. [2021-11-19 14:42:31,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:42:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1021 transitions. [2021-11-19 14:42:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-19 14:42:31,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:31,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:31,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:31,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:42:31,248 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:31,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:31,249 INFO L85 PathProgramCache]: Analyzing trace with hash -624458498, now seen corresponding path program 1 times [2021-11-19 14:42:31,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:31,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919362441] [2021-11-19 14:42:31,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:31,249 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:31,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:31,254 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:31,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 14:42:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:31,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:42:31,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:31,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:31,805 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:31,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919362441] [2021-11-19 14:42:31,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919362441] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:42:31,805 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:42:31,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:42:31,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972327467] [2021-11-19 14:42:31,806 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:42:31,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:42:31,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:31,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:42:31,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:42:31,809 INFO L87 Difference]: Start difference. First operand 769 states and 1021 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2021-11-19 14:42:31,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:31,906 INFO L93 Difference]: Finished difference Result 779 states and 1035 transitions. [2021-11-19 14:42:31,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:42:31,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 66 [2021-11-19 14:42:31,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:31,914 INFO L225 Difference]: With dead ends: 779 [2021-11-19 14:42:31,914 INFO L226 Difference]: Without dead ends: 779 [2021-11-19 14:42:31,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:42:31,915 INFO L933 BasicCegarLoop]: 516 mSDtfsCounter, 11 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:42:31,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 1032 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:42:31,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2021-11-19 14:42:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2021-11-19 14:42:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 579 states have (on average 1.7288428324697755) internal successors, (1001), 769 states have internal predecessors, (1001), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-19 14:42:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1035 transitions. [2021-11-19 14:42:31,942 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1035 transitions. Word has length 66 [2021-11-19 14:42:31,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:31,943 INFO L470 AbstractCegarLoop]: Abstraction has 779 states and 1035 transitions. [2021-11-19 14:42:31,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2021-11-19 14:42:31,943 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1035 transitions. [2021-11-19 14:42:31,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-19 14:42:31,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:31,945 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:31,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:32,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:42:32,157 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:32,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:32,158 INFO L85 PathProgramCache]: Analyzing trace with hash 327293982, now seen corresponding path program 1 times [2021-11-19 14:42:32,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:32,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123726562] [2021-11-19 14:42:32,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:32,159 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:32,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:32,160 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:32,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 14:42:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:32,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:42:32,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:32,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:32,836 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:32,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123726562] [2021-11-19 14:42:32,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123726562] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:42:32,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1364039612] [2021-11-19 14:42:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:32,837 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:42:32,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:42:32,839 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:42:32,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-11-19 14:42:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:33,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:42:33,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:33,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:33,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1364039612] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:42:33,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189392581] [2021-11-19 14:42:33,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:42:33,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:42:33,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:42:33,548 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:42:33,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-19 14:42:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:42:33,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:42:33,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:33,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:34,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189392581] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:42:34,235 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-19 14:42:34,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 14 [2021-11-19 14:42:34,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597644027] [2021-11-19 14:42:34,236 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-19 14:42:34,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 14:42:34,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:42:34,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 14:42:34,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-11-19 14:42:34,238 INFO L87 Difference]: Start difference. First operand 779 states and 1035 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 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) [2021-11-19 14:42:34,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:42:34,961 INFO L93 Difference]: Finished difference Result 793 states and 1053 transitions. [2021-11-19 14:42:34,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 14:42:34,962 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 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 68 [2021-11-19 14:42:34,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:42:34,967 INFO L225 Difference]: With dead ends: 793 [2021-11-19 14:42:34,967 INFO L226 Difference]: Without dead ends: 787 [2021-11-19 14:42:34,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=188, Invalid=318, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:42:34,968 INFO L933 BasicCegarLoop]: 517 mSDtfsCounter, 24 mSDsluCounter, 4599 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 5116 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:42:34,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 5116 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:42:34,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2021-11-19 14:42:35,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 785. [2021-11-19 14:42:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 585 states have (on average 1.7230769230769232) internal successors, (1008), 775 states have internal predecessors, (1008), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-19 14:42:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1042 transitions. [2021-11-19 14:42:35,008 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1042 transitions. Word has length 68 [2021-11-19 14:42:35,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:42:35,008 INFO L470 AbstractCegarLoop]: Abstraction has 785 states and 1042 transitions. [2021-11-19 14:42:35,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 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) [2021-11-19 14:42:35,009 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1042 transitions. [2021-11-19 14:42:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 14:42:35,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:42:35,010 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:42:35,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:35,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:35,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-19 14:42:35,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:42:35,614 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:42:35,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:42:35,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1521651106, now seen corresponding path program 2 times [2021-11-19 14:42:35,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:42:35,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196077535] [2021-11-19 14:42:35,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 14:42:35,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:42:35,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:42:35,617 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:42:35,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 14:42:36,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 14:42:36,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:42:36,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 14:42:36,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:36,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:37,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:42:37,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196077535] [2021-11-19 14:42:37,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196077535] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:42:37,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1819903469] [2021-11-19 14:42:37,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 14:42:37,079 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:42:37,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:42:37,080 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:42:37,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-19 14:42:38,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 14:42:38,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:42:38,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 14:42:38,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:42:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:38,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:42:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:42:38,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1819903469] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:42:38,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866904433] [2021-11-19 14:42:38,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 14:42:38,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:42:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:42:38,764 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:42:38,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-19 14:43:04,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 14:43:04,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:43:04,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 14:43:04,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:43:04,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:43:04,946 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 14:43:04,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-19 14:43:05,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 14:45:15,617 WARN L227 SmtUtils]: Spent 44.25s on a formula simplification. DAG size of input: 114 DAG size of output: 34 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:45:15,618 INFO L354 Elim1Store]: treesize reduction 884, result has 5.9 percent of original size [2021-11-19 14:45:15,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 case distinctions, treesize of input 75 treesize of output 79 [2021-11-19 14:45:16,459 INFO L354 Elim1Store]: treesize reduction 276, result has 0.4 percent of original size [2021-11-19 14:45:16,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 125 treesize of output 38 [2021-11-19 14:45:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 15 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:16,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:45:19,069 INFO L354 Elim1Store]: treesize reduction 5, result has 89.8 percent of original size [2021-11-19 14:45:19,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 62 treesize of output 61 [2021-11-19 14:51:05,410 INFO L354 Elim1Store]: treesize reduction 5, result has 89.8 percent of original size [2021-11-19 14:51:05,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 110 treesize of output 109 [2021-11-19 14:51:08,843 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_120| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_118| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (or (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_120|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_118|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_116|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) is different from false [2021-11-19 14:51:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 21 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:51:27,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866904433] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:51:27,960 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-19 14:51:27,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 15, 15] total 45 [2021-11-19 14:51:27,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137390145] [2021-11-19 14:51:27,961 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-19 14:51:27,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-19 14:51:27,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:51:27,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-19 14:51:27,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1531, Unknown=201, NotChecked=84, Total=1980 [2021-11-19 14:51:27,964 INFO L87 Difference]: Start difference. First operand 785 states and 1042 transitions. Second operand has 45 states, 43 states have (on average 4.976744186046512) internal successors, (214), 43 states have internal predecessors, (214), 3 states have call successors, (3), 3 states have call predecessors, (3), 4 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-19 14:51:32,103 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_120| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_118| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (or (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_120|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_118|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_116|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (= |c_old(#memory_$Pointer$.base)| |c_#memory_$Pointer$.base|)) is different from false [2021-11-19 14:52:48,877 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_118| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_118|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_116|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))) (_ bv1 1))))) (= (_ bv1 32) |c_#Ultimate.C_memset_#t~loopctr143|)) is different from false [2021-11-19 14:53:26,368 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_116| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_116|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))) (_ bv1 1))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (= (_ bv2 32) |c_#Ultimate.C_memset_#t~loopctr143|)) is different from false [2021-11-19 14:53:28,396 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_85|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (= (_ bv3 32) |c_#Ultimate.C_memset_#t~loopctr143|)) is different from false [2021-11-19 14:53:30,430 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_86| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_85|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_86|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (= (_ bv4 32) |c_#Ultimate.C_memset_#t~loopctr143|)) is different from false [2021-11-19 14:53:32,446 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (= (_ bv5 32) |c_#Ultimate.C_memset_#t~loopctr143|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (bvult (_ bv4 32) |c_#Ultimate.C_memset_#amount|) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_87| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_86| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_85|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_86|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_87|) (_ bv0 32))) |c_#memory_$Pointer$.base|))) is different from false [2021-11-19 14:53:34,467 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_88| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_87| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_86| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_85|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_86|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_87|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_88|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))))) (= (_ bv6 32) |c_#Ultimate.C_memset_#t~loopctr143|) (bvult (bvadd (_ bv4294967295 32) |c_#Ultimate.C_memset_#t~loopctr143|) |c_#Ultimate.C_memset_#amount|)) is different from false [2021-11-19 14:53:36,512 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_88| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_87| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_86| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32)) (|#Ultimate.C_memset_#ptr.offset| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_85|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_86|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_87|) (_ bv0 32)) (bvadd |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_88|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))))) (not (bvult (_ bv6 32) |c_#Ultimate.C_memset_#amount|)) (bvult (_ bv5 32) |c_#Ultimate.C_memset_#amount|)) is different from false [2021-11-19 14:55:09,046 WARN L227 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:55:11,060 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_116| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_118| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_118|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_116|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))) (_ bv1 1))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (= (_ bv1 32) |c_#Ultimate.C_memset_#t~loopctr143|)) is different from false [2021-11-19 14:55:13,362 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_116| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_116|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))) (_ bv1 1))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (= (_ bv2 32) |c_#Ultimate.C_memset_#t~loopctr143|)) is different from false [2021-11-19 14:55:15,401 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_85|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_114| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_114|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (= (_ bv3 32) |c_#Ultimate.C_memset_#t~loopctr143|) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32))) (or (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|)))))))) is different from false [2021-11-19 14:55:17,442 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (bvadd (bvneg (select |c_#valid| |c_#Ultimate.C_memset_#ptr.base|)) (_ bv1 1))) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_112| (_ BitVec 32)) (|#Ultimate.C_memset_#t~loopctr143| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_#memory_$Pointer$.base| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |#Ultimate.C_memset_#t~loopctr143|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_112|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr143_86| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_85| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_84| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_83| (_ BitVec 32))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_83|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_84|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_85|) (_ bv0 32)) (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr143_86|) (_ bv0 32))) |c_#memory_$Pointer$.base|)) (forall ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_#Ultimate.C_memset_#t~loopctr143_103| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_104| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_105| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_106| (_ BitVec 32)) (|v_#Ultimate.C_memset_#ptr.offset_18| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_107| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr143_108| (_ BitVec 32))) (not (= |c_#Ultimate.C_memset_#ptr.base| (select (select (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_106| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_107| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_108| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_105| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_104| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32)) (bvadd |v_#Ultimate.C_memset_#t~loopctr143_103| |v_#Ultimate.C_memset_#ptr.offset_18|) (_ bv0 32))) |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_2|) (bvadd (_ bv8 32) |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_2|))))))) (_ bv1 1))))) (= (_ bv4 32) |c_#Ultimate.C_memset_#t~loopctr143|)) is different from false [2021-11-19 14:55:29,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:55:29,284 INFO L93 Difference]: Finished difference Result 833 states and 1085 transitions. [2021-11-19 14:55:29,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-19 14:55:29,285 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 4.976744186046512) internal successors, (214), 43 states have internal predecessors, (214), 3 states have call successors, (3), 3 states have call predecessors, (3), 4 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 72 [2021-11-19 14:55:29,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:55:29,289 INFO L225 Difference]: With dead ends: 833 [2021-11-19 14:55:29,290 INFO L226 Difference]: Without dead ends: 831 [2021-11-19 14:55:29,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 382 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 674.2s TimeCoverageRelationStatistics Valid=314, Invalid=2518, Unknown=300, NotChecked=1560, Total=4692 [2021-11-19 14:55:29,293 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 428 mSDsluCounter, 7084 mSDsCounter, 0 mSdLazyCounter, 3727 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 7402 SdHoareTripleChecker+Invalid, 8142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 3727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4379 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:55:29,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 7402 Invalid, 8142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 3727 Invalid, 0 Unknown, 4379 Unchecked, 13.9s Time] [2021-11-19 14:55:29,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2021-11-19 14:55:29,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 786. [2021-11-19 14:55:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 586 states have (on average 1.7218430034129693) internal successors, (1009), 776 states have internal predecessors, (1009), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-19 14:55:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1043 transitions. [2021-11-19 14:55:29,316 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1043 transitions. Word has length 72 [2021-11-19 14:55:29,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:55:29,317 INFO L470 AbstractCegarLoop]: Abstraction has 786 states and 1043 transitions. [2021-11-19 14:55:29,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 4.976744186046512) internal successors, (214), 43 states have internal predecessors, (214), 3 states have call successors, (3), 3 states have call predecessors, (3), 4 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-19 14:55:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1043 transitions. [2021-11-19 14:55:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 14:55:29,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:55:29,318 INFO L514 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:55:29,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:29,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-19 14:55:29,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2021-11-19 14:55:29,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:55:29,944 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 326 more)] === [2021-11-19 14:55:29,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:55:29,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1657083991, now seen corresponding path program 3 times [2021-11-19 14:55:29,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:55:29,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536659818] [2021-11-19 14:55:29,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:55:29,946 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:55:29,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:55:29,947 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:55:29,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-19 14:55:30,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-19 14:55:30,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:55:30,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 14:55:30,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:30,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:32,048 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:55:32,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536659818] [2021-11-19 14:55:32,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536659818] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:32,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [719985984] [2021-11-19 14:55:32,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:55:32,049 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:55:32,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:55:32,050 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:55:32,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-11-19 14:55:34,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-19 14:55:34,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:55:34,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 14:55:34,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:55:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:34,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:55:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:55:34,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [719985984] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:55:34,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354898581] [2021-11-19 14:55:34,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:55:34,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:55:34,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:55:34,974 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:55:34,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb035b6f-ee48-49b2-a88b-8f552e8c1f33/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process