./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:23:39,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:23:39,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:23:39,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:23:39,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:23:39,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:23:39,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:23:40,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:23:40,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:23:40,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:23:40,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:23:40,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:23:40,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:23:40,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:23:40,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:23:40,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:23:40,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:23:40,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:23:40,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:23:40,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:23:40,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:23:40,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:23:40,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:23:40,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:23:40,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:23:40,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:23:40,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:23:40,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:23:40,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:23:40,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:23:40,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:23:40,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:23:40,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:23:40,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:23:40,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:23:40,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:23:40,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:23:40,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:23:40,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:23:40,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:23:40,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:23:40,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-23 12:23:40,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:23:40,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:23:40,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:23:40,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:23:40,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:23:40,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:23:40,128 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:23:40,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:23:40,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:23:40,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:23:40,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:23:40,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:23:40,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:23:40,130 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 12:23:40,130 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 12:23:40,130 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 12:23:40,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:23:40,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 12:23:40,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:23:40,131 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:23:40,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:23:40,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:23:40,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:23:40,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:23:40,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:23:40,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:23:40,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:23:40,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:23:40,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:23:40,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2021-11-23 12:23:40,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:23:40,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:23:40,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:23:40,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:23:40,515 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:23:40,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2021-11-23 12:23:40,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data/79a80a2ed/37be3747691f4bef84669b41b8a20a76/FLAGcba4ef835 [2021-11-23 12:23:41,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:23:41,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2021-11-23 12:23:41,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data/79a80a2ed/37be3747691f4bef84669b41b8a20a76/FLAGcba4ef835 [2021-11-23 12:23:41,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data/79a80a2ed/37be3747691f4bef84669b41b8a20a76 [2021-11-23 12:23:41,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:23:41,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:23:41,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:23:41,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:23:41,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:23:41,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:41" (1/1) ... [2021-11-23 12:23:41,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223d543f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:41, skipping insertion in model container [2021-11-23 12:23:41,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:41" (1/1) ... [2021-11-23 12:23:41,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:23:41,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:23:42,154 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_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2021-11-23 12:23:42,296 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_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2021-11-23 12:23:42,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:23:42,319 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) [2021-11-23 12:23:42,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9661eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:42, skipping insertion in model container [2021-11-23 12:23:42,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:23:42,321 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 12:23:42,323 INFO L158 Benchmark]: Toolchain (without parser) took 810.85ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 42.6MB in the beginning and 79.5MB in the end (delta: -37.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 12:23:42,325 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:23:42,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.48ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 42.3MB in the beginning and 79.5MB in the end (delta: -37.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 12:23:42,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 807.48ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 42.3MB in the beginning and 79.5MB in the end (delta: -37.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 736]: 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_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:23:45,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:23:45,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:23:45,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:23:45,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:23:45,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:23:45,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:23:45,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:23:45,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:23:45,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:23:45,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:23:45,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:23:45,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:23:45,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:23:45,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:23:45,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:23:45,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:23:45,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:23:45,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:23:45,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:23:45,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:23:45,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:23:45,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:23:45,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:23:45,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:23:45,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:23:45,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:23:45,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:23:45,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:23:45,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:23:45,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:23:45,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:23:45,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:23:45,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:23:45,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:23:45,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:23:45,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:23:45,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:23:45,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:23:45,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:23:45,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:23:45,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-23 12:23:45,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:23:45,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:23:45,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:23:45,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:23:45,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:23:45,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:23:45,426 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:23:45,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:23:45,427 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:23:45,427 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:23:45,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:23:45,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:23:45,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:23:45,430 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 12:23:45,430 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 12:23:45,430 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 12:23:45,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:23:45,431 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 12:23:45,431 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 12:23:45,432 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 12:23:45,432 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:23:45,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:23:45,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:23:45,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:23:45,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:23:45,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:23:45,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:23:45,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:23:45,434 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 12:23:45,435 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 12:23:45,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:23:45,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 12:23:45,436 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_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2021-11-23 12:23:45,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:23:45,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:23:45,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:23:45,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:23:45,914 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:23:45,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2021-11-23 12:23:45,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data/b2de470c7/31a701fcff924674ae7e1238bc82a233/FLAGb0a9a8639 [2021-11-23 12:23:46,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:23:46,887 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2021-11-23 12:23:46,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data/b2de470c7/31a701fcff924674ae7e1238bc82a233/FLAGb0a9a8639 [2021-11-23 12:23:47,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/data/b2de470c7/31a701fcff924674ae7e1238bc82a233 [2021-11-23 12:23:47,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:23:47,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:23:47,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:23:47,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:23:47,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:23:47,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:47" (1/1) ... [2021-11-23 12:23:47,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90e070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:47, skipping insertion in model container [2021-11-23 12:23:47,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:47" (1/1) ... [2021-11-23 12:23:47,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:23:47,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:23:47,775 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_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2021-11-23 12:23:47,988 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_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2021-11-23 12:23:48,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:23:48,049 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 12:23:48,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:23:48,119 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_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2021-11-23 12:23:48,209 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_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2021-11-23 12:23:48,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:23:48,220 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:23:48,270 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_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2021-11-23 12:23:48,387 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_367a4b80-f49c-4419-a745-84168aa063bc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2021-11-23 12:23:48,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:23:48,464 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:23:48,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48 WrapperNode [2021-11-23 12:23:48,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:23:48,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:23:48,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:23:48,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:23:48,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,595 INFO L137 Inliner]: procedures = 180, calls = 285, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1071 [2021-11-23 12:23:48,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:23:48,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:23:48,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:23:48,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:23:48,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:23:48,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:23:48,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:23:48,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:23:48,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (1/1) ... [2021-11-23 12:23:48,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:23:48,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:23:48,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:23:48,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:23:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 12:23:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 12:23:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:23:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:23:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:23:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:23:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 12:23:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:23:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:23:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 12:23:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 12:23:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:23:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:23:49,218 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:23:49,220 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:23:55,628 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:23:55,668 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:23:55,668 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 12:23:55,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:55 BoogieIcfgContainer [2021-11-23 12:23:55,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:23:55,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:23:55,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:23:55,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:23:55,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:23:47" (1/3) ... [2021-11-23 12:23:55,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1d98cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:23:55, skipping insertion in model container [2021-11-23 12:23:55,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:48" (2/3) ... [2021-11-23 12:23:55,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1d98cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:23:55, skipping insertion in model container [2021-11-23 12:23:55,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:55" (3/3) ... [2021-11-23 12:23:55,690 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2021-11-23 12:23:55,697 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:23:55,697 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 538 error locations. [2021-11-23 12:23:55,763 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:23:55,780 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 [2021-11-23 12:23:55,780 INFO L340 AbstractCegarLoop]: Starting to check reachability of 538 error locations. [2021-11-23 12:23:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 1085 states, 546 states have (on average 2.2326007326007327) internal successors, (1219), 1084 states have internal predecessors, (1219), 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) [2021-11-23 12:23:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 12:23:55,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:23:55,845 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 12:23:55,845 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:23:55,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:23:55,858 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-11-23 12:23:55,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:23:55,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375545710] [2021-11-23 12:23:55,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:23:55,875 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:23:55,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:23:55,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:23:55,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 12:23:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:23:56,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:23:56,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:23:56,205 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 [2021-11-23 12:23:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:23:56,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:23:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:23:56,256 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:23:56,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375545710] [2021-11-23 12:23:56,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375545710] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:23:56,258 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:23:56,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 12:23:56,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619270156] [2021-11-23 12:23:56,261 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:23:56,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:23:56,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:23:56,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:23:56,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:23:56,344 INFO L87 Difference]: Start difference. First operand has 1085 states, 546 states have (on average 2.2326007326007327) internal successors, (1219), 1084 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-11-23 12:23:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:23:58,832 INFO L93 Difference]: Finished difference Result 1080 states and 1141 transitions. [2021-11-23 12:23:58,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:23:58,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2021-11-23 12:23:58,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:23:58,867 INFO L225 Difference]: With dead ends: 1080 [2021-11-23 12:23:58,868 INFO L226 Difference]: Without dead ends: 1078 [2021-11-23 12:23:58,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:23:58,875 INFO L933 BasicCegarLoop]: 651 mSDtfsCounter, 1025 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:23:58,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1025 Valid, 699 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 12:23:58,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2021-11-23 12:23:58,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1070. [2021-11-23 12:23:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 546 states have (on average 2.0732600732600734) internal successors, (1132), 1069 states have internal predecessors, (1132), 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) [2021-11-23 12:23:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1132 transitions. [2021-11-23 12:23:58,997 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1132 transitions. Word has length 3 [2021-11-23 12:23:58,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:23:58,998 INFO L470 AbstractCegarLoop]: Abstraction has 1070 states and 1132 transitions. [2021-11-23 12:23:58,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-11-23 12:23:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1132 transitions. [2021-11-23 12:23:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 12:23:58,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:23:58,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 12:23:59,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-23 12:23:59,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:23:59,214 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:23:59,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:23:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-23 12:23:59,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:23:59,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932752199] [2021-11-23 12:23:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:23:59,216 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:23:59,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:23:59,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:23:59,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 12:23:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:23:59,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:23:59,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:23:59,433 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 [2021-11-23 12:23:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:23:59,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:23:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:23:59,521 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:23:59,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932752199] [2021-11-23 12:23:59,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932752199] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:23:59,522 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:23:59,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-23 12:23:59,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551449430] [2021-11-23 12:23:59,523 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:23:59,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:23:59,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:23:59,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:23:59,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:23:59,526 INFO L87 Difference]: Start difference. First operand 1070 states and 1132 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2021-11-23 12:24:05,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:05,643 INFO L93 Difference]: Finished difference Result 1570 states and 1670 transitions. [2021-11-23 12:24:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:24:05,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 3 [2021-11-23 12:24:05,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:05,657 INFO L225 Difference]: With dead ends: 1570 [2021-11-23 12:24:05,658 INFO L226 Difference]: Without dead ends: 1570 [2021-11-23 12:24:05,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:24:05,662 INFO L933 BasicCegarLoop]: 796 mSDtfsCounter, 1667 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:05,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1667 Valid, 1440 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-11-23 12:24:05,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2021-11-23 12:24:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1105. [2021-11-23 12:24:05,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 590 states have (on average 2.052542372881356) internal successors, (1211), 1104 states have internal predecessors, (1211), 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) [2021-11-23 12:24:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1211 transitions. [2021-11-23 12:24:05,715 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1211 transitions. Word has length 3 [2021-11-23 12:24:05,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:05,715 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 1211 transitions. [2021-11-23 12:24:05,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2021-11-23 12:24:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1211 transitions. [2021-11-23 12:24:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 12:24:05,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:05,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:24:05,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:05,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:05,929 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:05,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:05,929 INFO L85 PathProgramCache]: Analyzing trace with hash 62249618, now seen corresponding path program 1 times [2021-11-23 12:24:05,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:05,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251219616] [2021-11-23 12:24:05,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:05,931 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:05,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:05,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:05,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 12:24:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:06,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:24:06,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:06,105 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 [2021-11-23 12:24:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:06,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:06,170 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:06,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251219616] [2021-11-23 12:24:06,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251219616] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:06,171 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:06,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 12:24:06,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677994063] [2021-11-23 12:24:06,172 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:06,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:24:06,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:06,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:24:06,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:24:06,173 INFO L87 Difference]: Start difference. First operand 1105 states and 1211 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:08,697 INFO L93 Difference]: Finished difference Result 1433 states and 1564 transitions. [2021-11-23 12:24:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:24:08,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 12:24:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:08,707 INFO L225 Difference]: With dead ends: 1433 [2021-11-23 12:24:08,707 INFO L226 Difference]: Without dead ends: 1433 [2021-11-23 12:24:08,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:24:08,709 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 1027 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:08,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1027 Valid, 1195 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 12:24:08,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2021-11-23 12:24:08,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1056. [2021-11-23 12:24:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 590 states have (on average 1.964406779661017) internal successors, (1159), 1055 states have internal predecessors, (1159), 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) [2021-11-23 12:24:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1159 transitions. [2021-11-23 12:24:08,748 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1159 transitions. Word has length 8 [2021-11-23 12:24:08,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:08,749 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1159 transitions. [2021-11-23 12:24:08,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1159 transitions. [2021-11-23 12:24:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 12:24:08,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:08,750 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:24:08,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-23 12:24:08,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:08,963 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:08,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:08,963 INFO L85 PathProgramCache]: Analyzing trace with hash 62249619, now seen corresponding path program 1 times [2021-11-23 12:24:08,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:08,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399614416] [2021-11-23 12:24:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:08,964 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:08,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:08,965 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:08,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 12:24:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:09,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:24:09,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:09,124 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 [2021-11-23 12:24:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:09,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:09,278 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:09,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399614416] [2021-11-23 12:24:09,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399614416] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:09,278 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:09,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-23 12:24:09,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073329052] [2021-11-23 12:24:09,279 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:09,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:24:09,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:09,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:24:09,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:24:09,281 INFO L87 Difference]: Start difference. First operand 1056 states and 1159 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:14,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:14,510 INFO L93 Difference]: Finished difference Result 1476 states and 1571 transitions. [2021-11-23 12:24:14,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:24:14,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-23 12:24:14,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:14,523 INFO L225 Difference]: With dead ends: 1476 [2021-11-23 12:24:14,523 INFO L226 Difference]: Without dead ends: 1476 [2021-11-23 12:24:14,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:24:14,528 INFO L933 BasicCegarLoop]: 1136 mSDtfsCounter, 1432 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:14,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1432 Valid, 1583 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-11-23 12:24:14,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2021-11-23 12:24:14,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1046. [2021-11-23 12:24:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 590 states have (on average 1.9423728813559322) internal successors, (1146), 1045 states have internal predecessors, (1146), 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) [2021-11-23 12:24:14,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1146 transitions. [2021-11-23 12:24:14,570 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1146 transitions. Word has length 8 [2021-11-23 12:24:14,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:14,570 INFO L470 AbstractCegarLoop]: Abstraction has 1046 states and 1146 transitions. [2021-11-23 12:24:14,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1146 transitions. [2021-11-23 12:24:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 12:24:14,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:14,574 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:24:14,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:14,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:14,799 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr526REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:14,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:14,799 INFO L85 PathProgramCache]: Analyzing trace with hash -945574260, now seen corresponding path program 1 times [2021-11-23 12:24:14,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:14,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776603127] [2021-11-23 12:24:14,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:14,800 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:14,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:14,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:14,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 12:24:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:14,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:24:14,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:15,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:15,117 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:15,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776603127] [2021-11-23 12:24:15,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776603127] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:15,117 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:15,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-23 12:24:15,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313392742] [2021-11-23 12:24:15,117 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:15,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:24:15,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:15,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:24:15,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:24:15,119 INFO L87 Difference]: Start difference. First operand 1046 states and 1146 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:15,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:15,984 INFO L93 Difference]: Finished difference Result 1492 states and 1624 transitions. [2021-11-23 12:24:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:24:15,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 12:24:15,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:15,996 INFO L225 Difference]: With dead ends: 1492 [2021-11-23 12:24:15,996 INFO L226 Difference]: Without dead ends: 1492 [2021-11-23 12:24:15,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:24:15,997 INFO L933 BasicCegarLoop]: 1125 mSDtfsCounter, 557 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 3044 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:15,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [557 Valid, 3044 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 12:24:16,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2021-11-23 12:24:16,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1282. [2021-11-23 12:24:16,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 826 states have (on average 1.9322033898305084) internal successors, (1596), 1281 states have internal predecessors, (1596), 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) [2021-11-23 12:24:16,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1596 transitions. [2021-11-23 12:24:16,063 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1596 transitions. Word has length 11 [2021-11-23 12:24:16,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:16,063 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1596 transitions. [2021-11-23 12:24:16,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1596 transitions. [2021-11-23 12:24:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 12:24:16,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:16,064 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:24:16,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:16,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:16,265 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr537ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:16,266 INFO L85 PathProgramCache]: Analyzing trace with hash 751971552, now seen corresponding path program 1 times [2021-11-23 12:24:16,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:16,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611838562] [2021-11-23 12:24:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:16,267 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:16,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:16,268 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:16,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 12:24:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:16,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:24:16,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:16,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:24:16,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:24:16,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 12:24:16,512 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-23 12:24:16,512 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 3 case distinctions, treesize of input 30 treesize of output 36 [2021-11-23 12:24:16,586 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-23 12:24:16,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 23 [2021-11-23 12:24:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:16,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:16,686 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:16,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611838562] [2021-11-23 12:24:16,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1611838562] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:16,687 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:16,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 12:24:16,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642556125] [2021-11-23 12:24:16,687 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:16,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:24:16,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:16,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:24:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:24:16,689 INFO L87 Difference]: Start difference. First operand 1282 states and 1596 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-11-23 12:24:19,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:19,790 INFO L93 Difference]: Finished difference Result 1671 states and 2050 transitions. [2021-11-23 12:24:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:24:19,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 12:24:19,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:19,802 INFO L225 Difference]: With dead ends: 1671 [2021-11-23 12:24:19,802 INFO L226 Difference]: Without dead ends: 1671 [2021-11-23 12:24:19,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:24:19,805 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 393 mSDsluCounter, 3810 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 4818 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:19,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [393 Valid, 4818 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-23 12:24:19,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2021-11-23 12:24:19,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1281. [2021-11-23 12:24:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 825 states have (on average 1.9321212121212121) internal successors, (1594), 1280 states have internal predecessors, (1594), 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) [2021-11-23 12:24:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1594 transitions. [2021-11-23 12:24:19,845 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1594 transitions. Word has length 12 [2021-11-23 12:24:19,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:19,845 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 1594 transitions. [2021-11-23 12:24:19,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-11-23 12:24:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1594 transitions. [2021-11-23 12:24:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 12:24:19,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:19,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:24:19,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:20,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:20,067 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:20,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:20,067 INFO L85 PathProgramCache]: Analyzing trace with hash -520774338, now seen corresponding path program 1 times [2021-11-23 12:24:20,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:20,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858717188] [2021-11-23 12:24:20,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:20,068 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:20,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:20,069 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:20,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 12:24:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:20,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:24:20,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:20,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:20,282 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:20,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858717188] [2021-11-23 12:24:20,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858717188] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:20,283 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:20,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 12:24:20,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770276456] [2021-11-23 12:24:20,283 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:20,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:24:20,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:20,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:24:20,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:24:20,285 INFO L87 Difference]: Start difference. First operand 1281 states and 1594 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-11-23 12:24:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:20,318 INFO L93 Difference]: Finished difference Result 1221 states and 1508 transitions. [2021-11-23 12:24:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:24:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 18 [2021-11-23 12:24:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:20,324 INFO L225 Difference]: With dead ends: 1221 [2021-11-23 12:24:20,325 INFO L226 Difference]: Without dead ends: 1221 [2021-11-23 12:24:20,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:24:20,329 INFO L933 BasicCegarLoop]: 1016 mSDtfsCounter, 1011 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 1044 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 [2021-11-23 12:24:20,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1011 Valid, 1044 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 12:24:20,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2021-11-23 12:24:20,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2021-11-23 12:24:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 789 states have (on average 1.9112801013941698) internal successors, (1508), 1220 states have internal predecessors, (1508), 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) [2021-11-23 12:24:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1508 transitions. [2021-11-23 12:24:20,361 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1508 transitions. Word has length 18 [2021-11-23 12:24:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:20,362 INFO L470 AbstractCegarLoop]: Abstraction has 1221 states and 1508 transitions. [2021-11-23 12:24:20,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-11-23 12:24:20,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1508 transitions. [2021-11-23 12:24:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 12:24:20,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:20,364 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] [2021-11-23 12:24:20,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:20,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:20,577 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:20,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:20,579 INFO L85 PathProgramCache]: Analyzing trace with hash 2047030904, now seen corresponding path program 1 times [2021-11-23 12:24:20,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:20,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836058866] [2021-11-23 12:24:20,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:20,580 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:20,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:20,581 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:20,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 12:24:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:20,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:24:20,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:20,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:20,868 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:20,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836058866] [2021-11-23 12:24:20,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836058866] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:20,869 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:20,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-23 12:24:20,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30287721] [2021-11-23 12:24:20,869 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:20,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 12:24:20,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:20,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 12:24:20,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:24:20,871 INFO L87 Difference]: Start difference. First operand 1221 states and 1508 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-11-23 12:24:20,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:20,946 INFO L93 Difference]: Finished difference Result 1193 states and 1452 transitions. [2021-11-23 12:24:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:24:20,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 20 [2021-11-23 12:24:20,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:20,952 INFO L225 Difference]: With dead ends: 1193 [2021-11-23 12:24:20,952 INFO L226 Difference]: Without dead ends: 1193 [2021-11-23 12:24:20,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:24:20,953 INFO L933 BasicCegarLoop]: 971 mSDtfsCounter, 982 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 1963 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 [2021-11-23 12:24:20,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [982 Valid, 1963 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:24:20,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2021-11-23 12:24:20,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1191. [2021-11-23 12:24:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 773 states have (on average 1.8758085381630012) internal successors, (1450), 1190 states have internal predecessors, (1450), 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) [2021-11-23 12:24:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1450 transitions. [2021-11-23 12:24:20,984 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1450 transitions. Word has length 20 [2021-11-23 12:24:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:20,984 INFO L470 AbstractCegarLoop]: Abstraction has 1191 states and 1450 transitions. [2021-11-23 12:24:20,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-11-23 12:24:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1450 transitions. [2021-11-23 12:24:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 12:24:20,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:20,986 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] [2021-11-23 12:24:21,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:21,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:21,209 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:21,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:21,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1406589690, now seen corresponding path program 1 times [2021-11-23 12:24:21,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:21,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566156340] [2021-11-23 12:24:21,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:21,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:21,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:21,211 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:21,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 12:24:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:21,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:24:21,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:21,375 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 [2021-11-23 12:24:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:21,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:21,609 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:21,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566156340] [2021-11-23 12:24:21,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [566156340] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:21,609 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:21,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 12:24:21,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576841541] [2021-11-23 12:24:21,610 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:21,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:24:21,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:21,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:24:21,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:24:21,611 INFO L87 Difference]: Start difference. First operand 1191 states and 1450 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-11-23 12:24:24,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:24,089 INFO L93 Difference]: Finished difference Result 1688 states and 2073 transitions. [2021-11-23 12:24:24,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:24:24,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 12:24:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:24,097 INFO L225 Difference]: With dead ends: 1688 [2021-11-23 12:24:24,097 INFO L226 Difference]: Without dead ends: 1688 [2021-11-23 12:24:24,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:24:24,099 INFO L933 BasicCegarLoop]: 522 mSDtfsCounter, 1828 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:24,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1828 Valid, 1063 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 12:24:24,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2021-11-23 12:24:24,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1187. [2021-11-23 12:24:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 773 states have (on average 1.8654592496765847) internal successors, (1442), 1186 states have internal predecessors, (1442), 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) [2021-11-23 12:24:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1442 transitions. [2021-11-23 12:24:24,133 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1442 transitions. Word has length 34 [2021-11-23 12:24:24,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:24,134 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 1442 transitions. [2021-11-23 12:24:24,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-11-23 12:24:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1442 transitions. [2021-11-23 12:24:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 12:24:24,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:24,136 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] [2021-11-23 12:24:24,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:24,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:24,363 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:24,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1406589689, now seen corresponding path program 1 times [2021-11-23 12:24:24,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:24,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819494518] [2021-11-23 12:24:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:24,365 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:24,366 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:24,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-23 12:24:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:24,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:24:24,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:24,548 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 [2021-11-23 12:24:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:24,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:25,405 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:25,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819494518] [2021-11-23 12:24:25,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819494518] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:25,405 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:25,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:24:25,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626044687] [2021-11-23 12:24:25,406 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:25,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:24:25,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:25,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:24:25,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:24:25,408 INFO L87 Difference]: Start difference. First operand 1187 states and 1442 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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) [2021-11-23 12:24:33,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:33,735 INFO L93 Difference]: Finished difference Result 1819 states and 2226 transitions. [2021-11-23 12:24:33,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 12:24:33,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 12:24:33,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:33,749 INFO L225 Difference]: With dead ends: 1819 [2021-11-23 12:24:33,749 INFO L226 Difference]: Without dead ends: 1819 [2021-11-23 12:24:33,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-23 12:24:33,751 INFO L933 BasicCegarLoop]: 1222 mSDtfsCounter, 1329 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 3002 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:33,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1329 Valid, 3002 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-11-23 12:24:33,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2021-11-23 12:24:33,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1183. [2021-11-23 12:24:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 773 states have (on average 1.8551099611901682) internal successors, (1434), 1182 states have internal predecessors, (1434), 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) [2021-11-23 12:24:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1434 transitions. [2021-11-23 12:24:33,786 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1434 transitions. Word has length 34 [2021-11-23 12:24:33,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:33,787 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 1434 transitions. [2021-11-23 12:24:33,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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) [2021-11-23 12:24:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1434 transitions. [2021-11-23 12:24:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 12:24:33,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:33,801 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] [2021-11-23 12:24:33,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:34,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:34,014 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:34,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:34,015 INFO L85 PathProgramCache]: Analyzing trace with hash -489765179, now seen corresponding path program 1 times [2021-11-23 12:24:34,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:34,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360017742] [2021-11-23 12:24:34,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:34,016 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:34,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:34,017 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:34,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-23 12:24:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:34,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:24:34,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:34,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:34,485 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:34,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360017742] [2021-11-23 12:24:34,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360017742] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:34,486 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:34,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-23 12:24:34,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404580386] [2021-11-23 12:24:34,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:34,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 12:24:34,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:34,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:24:34,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:24:34,488 INFO L87 Difference]: Start difference. First operand 1183 states and 1434 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2021-11-23 12:24:34,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:34,563 INFO L93 Difference]: Finished difference Result 1171 states and 1414 transitions. [2021-11-23 12:24:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:24:34,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 52 [2021-11-23 12:24:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:34,571 INFO L225 Difference]: With dead ends: 1171 [2021-11-23 12:24:34,571 INFO L226 Difference]: Without dead ends: 1171 [2021-11-23 12:24:34,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 12:24:34,573 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 958 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1927 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:34,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [958 Valid, 1927 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:24:34,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2021-11-23 12:24:34,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1171. [2021-11-23 12:24:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 761 states have (on average 1.8580814717477003) internal successors, (1414), 1170 states have internal predecessors, (1414), 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) [2021-11-23 12:24:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1414 transitions. [2021-11-23 12:24:34,600 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1414 transitions. Word has length 52 [2021-11-23 12:24:34,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:34,601 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 1414 transitions. [2021-11-23 12:24:34,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2021-11-23 12:24:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1414 transitions. [2021-11-23 12:24:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 12:24:34,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:34,604 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] [2021-11-23 12:24:34,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:24:34,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:34,820 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:34,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:34,820 INFO L85 PathProgramCache]: Analyzing trace with hash -531678063, now seen corresponding path program 1 times [2021-11-23 12:24:34,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:34,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073284931] [2021-11-23 12:24:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:34,822 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:34,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:34,824 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:34,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-23 12:24:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:35,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 12:24:35,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:35,307 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 [2021-11-23 12:24:35,318 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 [2021-11-23 12:24:36,103 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 12:24:36,104 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 25 treesize of output 27 [2021-11-23 12:24:36,133 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 12:24:36,134 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 24 treesize of output 20 [2021-11-23 12:24:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:36,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:41,328 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:41,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073284931] [2021-11-23 12:24:41,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073284931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:41,328 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:41,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:24:41,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457471171] [2021-11-23 12:24:41,328 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:41,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:24:41,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:41,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:24:41,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-23 12:24:41,330 INFO L87 Difference]: Start difference. First operand 1171 states and 1414 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:46,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:46,099 INFO L93 Difference]: Finished difference Result 1822 states and 2166 transitions. [2021-11-23 12:24:46,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 12:24:46,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-23 12:24:46,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:46,108 INFO L225 Difference]: With dead ends: 1822 [2021-11-23 12:24:46,108 INFO L226 Difference]: Without dead ends: 1822 [2021-11-23 12:24:46,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=19, Invalid=22, Unknown=1, NotChecked=0, Total=42 [2021-11-23 12:24:46,109 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 723 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 2791 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 808 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:46,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [723 Valid, 2791 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1120 Invalid, 0 Unknown, 808 Unchecked, 4.7s Time] [2021-11-23 12:24:46,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2021-11-23 12:24:46,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1256. [2021-11-23 12:24:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 847 states have (on average 1.87012987012987) internal successors, (1584), 1255 states have internal predecessors, (1584), 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) [2021-11-23 12:24:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1584 transitions. [2021-11-23 12:24:46,136 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1584 transitions. Word has length 60 [2021-11-23 12:24:46,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:46,136 INFO L470 AbstractCegarLoop]: Abstraction has 1256 states and 1584 transitions. [2021-11-23 12:24:46,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1584 transitions. [2021-11-23 12:24:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 12:24:46,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:46,138 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] [2021-11-23 12:24:46,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-23 12:24:46,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:46,355 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:46,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:46,355 INFO L85 PathProgramCache]: Analyzing trace with hash 158497042, now seen corresponding path program 1 times [2021-11-23 12:24:46,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:46,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991034121] [2021-11-23 12:24:46,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:46,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:46,356 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:46,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-23 12:24:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:46,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:24:46,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:46,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:46,879 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 [2021-11-23 12:24:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:47,234 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:47,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991034121] [2021-11-23 12:24:47,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991034121] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:47,234 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:47,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-23 12:24:47,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18593580] [2021-11-23 12:24:47,235 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:47,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:24:47,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:47,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:24:47,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:24:47,236 INFO L87 Difference]: Start difference. First operand 1256 states and 1584 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2021-11-23 12:24:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:49,466 INFO L93 Difference]: Finished difference Result 1223 states and 1551 transitions. [2021-11-23 12:24:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:24:49,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 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 62 [2021-11-23 12:24:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:49,473 INFO L225 Difference]: With dead ends: 1223 [2021-11-23 12:24:49,473 INFO L226 Difference]: Without dead ends: 1223 [2021-11-23 12:24:49,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:24:49,474 INFO L933 BasicCegarLoop]: 521 mSDtfsCounter, 1743 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:49,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1743 Valid, 635 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 12:24:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2021-11-23 12:24:49,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1147. [2021-11-23 12:24:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 771 states have (on average 1.8132295719844358) internal successors, (1398), 1146 states have internal predecessors, (1398), 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) [2021-11-23 12:24:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1398 transitions. [2021-11-23 12:24:49,495 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1398 transitions. Word has length 62 [2021-11-23 12:24:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:49,495 INFO L470 AbstractCegarLoop]: Abstraction has 1147 states and 1398 transitions. [2021-11-23 12:24:49,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2021-11-23 12:24:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1398 transitions. [2021-11-23 12:24:49,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 12:24:49,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:49,497 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] [2021-11-23 12:24:49,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-11-23 12:24:49,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:49,711 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:49,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:49,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1426362414, now seen corresponding path program 1 times [2021-11-23 12:24:49,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:49,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335217730] [2021-11-23 12:24:49,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:49,712 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:49,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:49,714 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:49,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-23 12:24:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:49,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:24:49,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:50,030 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 [2021-11-23 12:24:50,044 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 [2021-11-23 12:24:50,083 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 [2021-11-23 12:24:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:50,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:50,264 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:50,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335217730] [2021-11-23 12:24:50,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335217730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:50,264 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:50,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-23 12:24:50,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253976853] [2021-11-23 12:24:50,265 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:50,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:24:50,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:50,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:24:50,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:24:50,266 INFO L87 Difference]: Start difference. First operand 1147 states and 1398 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:55,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:24:55,840 INFO L93 Difference]: Finished difference Result 1841 states and 2227 transitions. [2021-11-23 12:24:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 12:24:55,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-23 12:24:55,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:24:55,848 INFO L225 Difference]: With dead ends: 1841 [2021-11-23 12:24:55,848 INFO L226 Difference]: Without dead ends: 1841 [2021-11-23 12:24:55,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-23 12:24:55,849 INFO L933 BasicCegarLoop]: 605 mSDtfsCounter, 868 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 2123 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 2138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-23 12:24:55,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 2587 Invalid, 2138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2123 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-23 12:24:55,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2021-11-23 12:24:55,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1146. [2021-11-23 12:24:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 771 states have (on average 1.8119325551232166) internal successors, (1397), 1145 states have internal predecessors, (1397), 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) [2021-11-23 12:24:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1397 transitions. [2021-11-23 12:24:55,870 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1397 transitions. Word has length 66 [2021-11-23 12:24:55,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:24:55,871 INFO L470 AbstractCegarLoop]: Abstraction has 1146 states and 1397 transitions. [2021-11-23 12:24:55,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:24:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1397 transitions. [2021-11-23 12:24:55,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 12:24:55,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:24:55,872 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, 1] [2021-11-23 12:24:55,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-23 12:24:56,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:24:56,090 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:24:56,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:24:56,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1267561538, now seen corresponding path program 1 times [2021-11-23 12:24:56,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:24:56,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032100673] [2021-11-23 12:24:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:24:56,091 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:24:56,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:24:56,093 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:24:56,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-23 12:24:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:24:56,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 12:24:56,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:24:56,379 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 [2021-11-23 12:24:56,416 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 [2021-11-23 12:24:56,425 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 [2021-11-23 12:24:56,481 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 [2021-11-23 12:24:56,484 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 [2021-11-23 12:24:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:56,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:24:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:24:57,024 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:24:57,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032100673] [2021-11-23 12:24:57,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032100673] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:24:57,024 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:24:57,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-23 12:24:57,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760095707] [2021-11-23 12:24:57,025 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:24:57,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 12:24:57,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:24:57,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 12:24:57,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 12:24:57,027 INFO L87 Difference]: Start difference. First operand 1146 states and 1397 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 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) [2021-11-23 12:25:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:25:12,406 INFO L93 Difference]: Finished difference Result 1768 states and 2176 transitions. [2021-11-23 12:25:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 12:25:12,407 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 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 67 [2021-11-23 12:25:12,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:25:12,416 INFO L225 Difference]: With dead ends: 1768 [2021-11-23 12:25:12,416 INFO L226 Difference]: Without dead ends: 1768 [2021-11-23 12:25:12,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-11-23 12:25:12,417 INFO L933 BasicCegarLoop]: 559 mSDtfsCounter, 820 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 3394 SdHoareTripleChecker+Invalid, 2845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:25:12,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [820 Valid, 3394 Invalid, 2845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2835 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2021-11-23 12:25:12,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2021-11-23 12:25:12,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1145. [2021-11-23 12:25:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 771 states have (on average 1.8106355382619974) internal successors, (1396), 1144 states have internal predecessors, (1396), 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) [2021-11-23 12:25:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1396 transitions. [2021-11-23 12:25:12,440 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1396 transitions. Word has length 67 [2021-11-23 12:25:12,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:25:12,440 INFO L470 AbstractCegarLoop]: Abstraction has 1145 states and 1396 transitions. [2021-11-23 12:25:12,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 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) [2021-11-23 12:25:12,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1396 transitions. [2021-11-23 12:25:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 12:25:12,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:25:12,442 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, 1, 1, 1, 1, 1] [2021-11-23 12:25:12,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-23 12:25:12,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:25:12,670 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:25:12,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:25:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash -582276570, now seen corresponding path program 1 times [2021-11-23 12:25:12,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:25:12,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207035143] [2021-11-23 12:25:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:25:12,671 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:25:12,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:25:12,673 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:25:12,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-23 12:25:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:25:12,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:25:12,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:25:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:13,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:25:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:13,116 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:25:13,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207035143] [2021-11-23 12:25:13,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207035143] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 12:25:13,117 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:25:13,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 12:25:13,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424401008] [2021-11-23 12:25:13,117 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 12:25:13,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:25:13,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:25:13,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:25:13,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:25:13,118 INFO L87 Difference]: Start difference. First operand 1145 states and 1396 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-11-23 12:25:13,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:25:13,262 INFO L93 Difference]: Finished difference Result 2126 states and 2580 transitions. [2021-11-23 12:25:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 12:25:13,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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 71 [2021-11-23 12:25:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:25:13,273 INFO L225 Difference]: With dead ends: 2126 [2021-11-23 12:25:13,273 INFO L226 Difference]: Without dead ends: 2126 [2021-11-23 12:25:13,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:25:13,274 INFO L933 BasicCegarLoop]: 1188 mSDtfsCounter, 964 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 4752 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:25:13,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [964 Valid, 4752 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 12:25:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2021-11-23 12:25:13,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 1148. [2021-11-23 12:25:13,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 774 states have (on average 1.8074935400516796) internal successors, (1399), 1147 states have internal predecessors, (1399), 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) [2021-11-23 12:25:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1399 transitions. [2021-11-23 12:25:13,303 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1399 transitions. Word has length 71 [2021-11-23 12:25:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:25:13,303 INFO L470 AbstractCegarLoop]: Abstraction has 1148 states and 1399 transitions. [2021-11-23 12:25:13,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2021-11-23 12:25:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1399 transitions. [2021-11-23 12:25:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 12:25:13,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:25:13,304 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, 1, 1, 1, 1, 1] [2021-11-23 12:25:13,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-23 12:25:13,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:25:13,511 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:25:13,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:25:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1283072730, now seen corresponding path program 1 times [2021-11-23 12:25:13,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:25:13,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684061136] [2021-11-23 12:25:13,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:25:13,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:25:13,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:25:13,513 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:25:13,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-23 12:25:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:25:13,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:25:13,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:25:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:13,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:25:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:14,103 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:25:14,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684061136] [2021-11-23 12:25:14,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684061136] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:25:14,104 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:25:14,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-23 12:25:14,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215906951] [2021-11-23 12:25:14,105 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:25:14,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 12:25:14,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:25:14,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 12:25:14,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-23 12:25:14,106 INFO L87 Difference]: Start difference. First operand 1148 states and 1399 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 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) [2021-11-23 12:25:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:25:14,603 INFO L93 Difference]: Finished difference Result 1933 states and 2377 transitions. [2021-11-23 12:25:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 12:25:14,603 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 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 73 [2021-11-23 12:25:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:25:14,613 INFO L225 Difference]: With dead ends: 1933 [2021-11-23 12:25:14,613 INFO L226 Difference]: Without dead ends: 1933 [2021-11-23 12:25:14,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2021-11-23 12:25:14,614 INFO L933 BasicCegarLoop]: 987 mSDtfsCounter, 762 mSDsluCounter, 4474 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 5461 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:25:14,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [762 Valid, 5461 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 12:25:14,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2021-11-23 12:25:14,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1154. [2021-11-23 12:25:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 780 states have (on average 1.8012820512820513) internal successors, (1405), 1153 states have internal predecessors, (1405), 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) [2021-11-23 12:25:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1405 transitions. [2021-11-23 12:25:14,645 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1405 transitions. Word has length 73 [2021-11-23 12:25:14,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:25:14,646 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 1405 transitions. [2021-11-23 12:25:14,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 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) [2021-11-23 12:25:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1405 transitions. [2021-11-23 12:25:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 12:25:14,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:25:14,647 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, 1, 1, 1, 1, 1] [2021-11-23 12:25:14,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:25:14,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:25:14,874 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:25:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:25:14,874 INFO L85 PathProgramCache]: Analyzing trace with hash -376896730, now seen corresponding path program 2 times [2021-11-23 12:25:14,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:25:14,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161984627] [2021-11-23 12:25:14,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:25:14,875 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:25:14,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:25:14,876 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:25:14,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-23 12:25:15,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 12:25:15,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:25:15,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 12:25:15,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:25:15,680 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:15,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:25:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:16,118 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:25:16,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161984627] [2021-11-23 12:25:16,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161984627] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:25:16,119 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:25:16,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-23 12:25:16,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941091031] [2021-11-23 12:25:16,119 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:25:16,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 12:25:16,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:25:16,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 12:25:16,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-23 12:25:16,121 INFO L87 Difference]: Start difference. First operand 1154 states and 1405 transitions. Second operand has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 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) [2021-11-23 12:25:18,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:25:18,714 INFO L93 Difference]: Finished difference Result 1945 states and 2389 transitions. [2021-11-23 12:25:18,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 12:25:18,715 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 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 77 [2021-11-23 12:25:18,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:25:18,723 INFO L225 Difference]: With dead ends: 1945 [2021-11-23 12:25:18,723 INFO L226 Difference]: Without dead ends: 1945 [2021-11-23 12:25:18,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=370, Invalid=622, Unknown=0, NotChecked=0, Total=992 [2021-11-23 12:25:18,725 INFO L933 BasicCegarLoop]: 987 mSDtfsCounter, 718 mSDsluCounter, 10615 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-23 12:25:18,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 11602 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-23 12:25:18,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2021-11-23 12:25:18,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1166. [2021-11-23 12:25:18,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 792 states have (on average 1.7891414141414141) internal successors, (1417), 1165 states have internal predecessors, (1417), 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) [2021-11-23 12:25:18,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1417 transitions. [2021-11-23 12:25:18,752 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1417 transitions. Word has length 77 [2021-11-23 12:25:18,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:25:18,753 INFO L470 AbstractCegarLoop]: Abstraction has 1166 states and 1417 transitions. [2021-11-23 12:25:18,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 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) [2021-11-23 12:25:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1417 transitions. [2021-11-23 12:25:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 12:25:18,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:25:18,755 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:25:18,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-23 12:25:18,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:25:18,972 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:25:18,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:25:18,973 INFO L85 PathProgramCache]: Analyzing trace with hash 688279334, now seen corresponding path program 3 times [2021-11-23 12:25:18,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:25:18,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382477184] [2021-11-23 12:25:18,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 12:25:18,973 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:25:18,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:25:18,974 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:25:18,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-23 12:25:19,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-23 12:25:19,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:25:19,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 12:25:19,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:25:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:20,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:25:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:22,042 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:25:22,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382477184] [2021-11-23 12:25:22,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382477184] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:25:22,042 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:25:22,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-11-23 12:25:22,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093299742] [2021-11-23 12:25:22,042 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:25:22,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-23 12:25:22,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:25:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-23 12:25:22,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 12:25:22,045 INFO L87 Difference]: Start difference. First operand 1166 states and 1417 transitions. Second operand has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 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) [2021-11-23 12:25:37,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:25:37,377 INFO L93 Difference]: Finished difference Result 14257 states and 17431 transitions. [2021-11-23 12:25:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-23 12:25:37,378 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 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 85 [2021-11-23 12:25:37,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:25:37,408 INFO L225 Difference]: With dead ends: 14257 [2021-11-23 12:25:37,408 INFO L226 Difference]: Without dead ends: 14257 [2021-11-23 12:25:37,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=1674, Invalid=4332, Unknown=0, NotChecked=0, Total=6006 [2021-11-23 12:25:37,412 INFO L933 BasicCegarLoop]: 11386 mSDtfsCounter, 26944 mSDsluCounter, 160545 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26944 SdHoareTripleChecker+Valid, 171931 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-23 12:25:37,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26944 Valid, 171931 Invalid, 1762 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [194 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-11-23 12:25:37,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14257 states. [2021-11-23 12:25:37,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14257 to 1205. [2021-11-23 12:25:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 831 states have (on average 1.7773766546329723) internal successors, (1477), 1204 states have internal predecessors, (1477), 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) [2021-11-23 12:25:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1477 transitions. [2021-11-23 12:25:37,555 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1477 transitions. Word has length 85 [2021-11-23 12:25:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:25:37,555 INFO L470 AbstractCegarLoop]: Abstraction has 1205 states and 1477 transitions. [2021-11-23 12:25:37,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 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) [2021-11-23 12:25:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1477 transitions. [2021-11-23 12:25:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 12:25:37,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:25:37,557 INFO L514 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:25:37,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-23 12:25:37,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:25:37,770 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:25:37,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:25:37,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2300122, now seen corresponding path program 4 times [2021-11-23 12:25:37,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:25:37,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122967085] [2021-11-23 12:25:37,771 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 12:25:37,771 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:25:37,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:25:37,772 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:25:37,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-23 12:25:38,127 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 12:25:38,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:25:38,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 12:25:38,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:25:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:39,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:25:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:25:42,756 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:25:42,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122967085] [2021-11-23 12:25:42,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122967085] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:25:42,757 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:25:42,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2021-11-23 12:25:42,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860223757] [2021-11-23 12:25:42,757 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:25:42,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-23 12:25:42,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:25:42,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-23 12:25:42,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1000, Invalid=3290, Unknown=0, NotChecked=0, Total=4290 [2021-11-23 12:25:42,772 INFO L87 Difference]: Start difference. First operand 1205 states and 1477 transitions. Second operand has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 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) [2021-11-23 12:27:13,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:27:13,084 INFO L93 Difference]: Finished difference Result 2014 states and 2472 transitions. [2021-11-23 12:27:13,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 12:27:13,084 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 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 101 [2021-11-23 12:27:13,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:27:13,088 INFO L225 Difference]: With dead ends: 2014 [2021-11-23 12:27:13,088 INFO L226 Difference]: Without dead ends: 2014 [2021-11-23 12:27:13,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3304 ImplicationChecksByTransitivity, 31.1s TimeCoverageRelationStatistics Valid=3577, Invalid=8413, Unknown=0, NotChecked=0, Total=11990 [2021-11-23 12:27:13,093 INFO L933 BasicCegarLoop]: 987 mSDtfsCounter, 718 mSDsluCounter, 32153 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 33140 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:27:13,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 33140 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [638 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 63.0s Time] [2021-11-23 12:27:13,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2021-11-23 12:27:13,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1235. [2021-11-23 12:27:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 861 states have (on average 1.7421602787456445) internal successors, (1500), 1234 states have internal predecessors, (1500), 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) [2021-11-23 12:27:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1500 transitions. [2021-11-23 12:27:13,115 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1500 transitions. Word has length 101 [2021-11-23 12:27:13,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:27:13,116 INFO L470 AbstractCegarLoop]: Abstraction has 1235 states and 1500 transitions. [2021-11-23 12:27:13,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 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) [2021-11-23 12:27:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1500 transitions. [2021-11-23 12:27:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 12:27:13,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:27:13,118 INFO L514 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:27:13,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-11-23 12:27:13,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:27:13,351 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:27:13,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:27:13,351 INFO L85 PathProgramCache]: Analyzing trace with hash -146191322, now seen corresponding path program 5 times [2021-11-23 12:27:13,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:27:13,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571166968] [2021-11-23 12:27:13,352 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-23 12:27:13,352 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:27:13,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:27:13,353 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:27:13,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-23 12:27:14,362 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-23 12:27:14,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:27:14,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-23 12:27:14,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:27:14,414 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 [2021-11-23 12:27:14,616 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 12:27:14,616 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 [2021-11-23 12:27:14,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 12:27:14,669 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 [2021-11-23 12:27:14,678 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 23 treesize of output 19 [2021-11-23 12:27:14,922 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-11-23 12:27:14,923 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 67 [2021-11-23 12:27:14,950 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 12:27:14,950 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 51 [2021-11-23 12:27:16,215 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:16,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:16,249 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:16,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:18,530 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:18,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:18,559 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:18,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:18,683 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:18,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:20,198 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:20,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:20,336 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:20,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:21,606 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:21,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:25,139 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:25,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:26,702 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:26,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:28,383 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:28,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:28,412 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:28,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:29,993 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:29,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:34,987 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:34,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:35,122 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:35,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:35,152 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:35,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:36,640 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:36,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:36,677 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:36,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:36,800 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:36,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:36,832 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:36,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:36,970 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:36,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:37,001 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:37,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:37,120 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:37,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:41,070 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:41,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:41,222 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:41,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:41,254 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:41,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:42,343 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:42,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:42,372 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:42,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:42,485 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:42,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:42,515 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:42,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:43,598 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:43,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:43,634 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:43,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:45,284 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:45,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:46,555 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:46,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:48,809 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:48,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:51,091 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:51,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:51,202 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:51,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:51,231 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:51,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:55,288 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:55,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:56,718 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:56,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:56,855 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:56,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:27:58,185 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:27:58,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:27:59,219 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:27:59,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:01,105 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:01,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:03,567 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:03,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:05,265 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:05,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:05,423 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:05,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:08,074 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:08,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:12,388 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:12,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:12,424 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:12,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:12,571 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:12,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:18,357 WARN L227 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 18 DAG size of output: 13 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:28:18,357 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-23 12:28:18,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 69 [2021-11-23 12:28:21,876 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:21,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:23,195 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:23,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:23,318 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:23,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:23,347 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:23,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:23,477 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:23,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:23,508 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:23,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:23,699 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:23,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:26,208 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:26,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:31,608 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 20 DAG size of output: 9 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 12:28:31,608 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:31,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:31,646 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:31,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:33,942 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:33,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:33,972 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:33,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:35,175 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:35,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:36,651 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:36,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:36,817 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:36,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:38,222 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:38,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:40,048 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:40,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:41,804 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:41,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:41,959 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:41,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:42,001 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:42,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:42,136 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:42,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:42,168 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:42,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:42,296 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:42,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:42,327 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:42,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:43,748 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:43,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:43,778 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:43,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:43,909 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:43,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:47,186 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:47,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:49,477 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:49,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:49,517 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:49,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:49,678 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 12:28:49,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-23 12:28:51,418 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 12:28:51,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-23 12:28:51,583 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:28:51,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 78 [2021-11-23 12:28:52,676 INFO L354 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2021-11-23 12:28:52,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 101 [2021-11-23 12:28:53,022 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-23 12:28:53,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 62 [2021-11-23 12:28:53,032 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-23 12:28:53,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2021-11-23 12:28:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 43 proven. 44 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-23 12:28:53,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:30:25,548 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_30 (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_30 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd (_ bv20 32) .cse0)))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_15 (_ BitVec 32)) (v_subst_29 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_29 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)))))) is different from false [2021-11-23 12:31:02,202 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_40 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_40 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_39 (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_39 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:31:27,575 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_54 (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_54 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd (_ bv20 32) .cse0)))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_53 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_53 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:31:42,071 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_62 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_62 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_61 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_61 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:31:54,501 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_70 (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_70 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_69 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_69 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:31:56,625 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_72 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_70 (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_72 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_70 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse0 (_ bv16 32)) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_71 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_69 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_71 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_69 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)))))) is different from false [2021-11-23 12:32:10,729 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_78 (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_78 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_77 (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_77 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-23 12:32:14,894 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_82 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_82 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_81 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_81 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:32:39,435 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_86 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem38#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem38#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_86 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_85 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_85 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem38#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem38#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem38#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem38#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-23 12:32:56,409 WARN L227 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 12:33:03,337 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 26 treesize of output 24 [2021-11-23 12:33:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 39 proven. 36 refuted. 92 times theorem prover too weak. 499 trivial. 324 not checked. [2021-11-23 12:33:03,537 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-23 12:33:03,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571166968] [2021-11-23 12:33:03,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571166968] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 12:33:03,538 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 12:33:03,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18] total 25 [2021-11-23 12:33:03,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440158277] [2021-11-23 12:33:03,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 12:33:03,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-23 12:33:03,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-23 12:33:03,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-23 12:33:03,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=207, Unknown=23, NotChecked=342, Total=650 [2021-11-23 12:33:03,539 INFO L87 Difference]: Start difference. First operand 1235 states and 1500 transitions. Second operand has 26 states, 25 states have (on average 4.28) internal successors, (107), 26 states have internal predecessors, (107), 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) [2021-11-23 12:33:15,034 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse24 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_subst_62 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_62 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_78 (_ BitVec 32))) (let ((.cse4 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd v_subst_78 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse7 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse4 .cse5) .cse6 .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse4 (_ bv0 32)) .cse6 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))))) (forall ((v_subst_72 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_70 (_ BitVec 32))) (let ((.cse8 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse9) (bvadd v_subst_72 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse9) (bvadd v_subst_70 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse9))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse8 (_ bv16 32)) (bvadd .cse8 (_ bv20 32))))) (forall ((v_subst_40 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse10 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse12 (bvadd v_subst_40 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse10 .cse11) .cse12 .cse11))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse13) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse10 (_ bv0 32)) .cse12 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse13))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_39 (_ BitVec 32))) (let ((.cse14 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse15) (bvadd v_subst_39 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse15))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse14) (bvadd .cse14 (_ bv20 32))))) (forall ((v_subst_82 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse16 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse17) (bvadd v_subst_82 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse17))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse16) (bvadd .cse16 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_30 (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse18 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse19) (bvadd v_subst_30 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse19) (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse19))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse18) (bvadd (_ bv20 32) .cse18)))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_81 (_ BitVec 32))) (let ((.cse20 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse22 (bvadd v_subst_81 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse23 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse20 .cse21) .cse22 .cse21))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse23) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse20 (_ bv0 32)) .cse22 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse23))))) (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24)) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |c_ULTIMATE.start_main_~user~0#1.base|))) (= (select |c_#length| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (_ bv44 32)) (not (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) (forall ((v_subst_61 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse25 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse26) (bvadd v_subst_61 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse26))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse25) (bvadd .cse25 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_54 (_ BitVec 32))) (let ((.cse27 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse28) (bvadd v_subst_54 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse28))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse27) (bvadd (_ bv20 32) .cse27)))) (exists ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_125| (_ BitVec 32))) (let ((.cse29 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_125|))) (and (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse29) (_ bv0 32)) (= ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse29))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_53 (_ BitVec 32))) (let ((.cse30 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse32 (bvadd v_subst_53 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse33 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse30 .cse31) .cse32 .cse31))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse33)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse30 (_ bv0 32)) .cse32 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse33))))) (forall ((v_subst_71 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_69 (_ BitVec 32))) (let ((.cse34 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse36 (bvadd v_subst_71 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse37 (bvadd v_subst_69 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse38 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse34 .cse35) .cse36 .cse35) .cse37 .cse35))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse38) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse34 (_ bv0 32)) .cse36 (_ bv0 32)) .cse37 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse38))))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse24) (_ bv0 32)) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_15 (_ BitVec 32)) (v_subst_29 (_ BitVec 32))) (let ((.cse39 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse41 (bvadd v_subst_29 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse42 (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse43 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse39 .cse40) .cse41 .cse40) .cse42 .cse40))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse43) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse39 (_ bv0 32)) .cse41 (_ bv0 32)) .cse42 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse43))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_77 (_ BitVec 32))) (let ((.cse44 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse45 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse45) (bvadd v_subst_77 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse45))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse44) (bvadd .cse44 (_ bv20 32))))))) is different from true [2021-11-23 12:33:17,060 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse26 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_subst_62 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_62 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_78 (_ BitVec 32))) (let ((.cse4 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd v_subst_78 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse7 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse4 .cse5) .cse6 .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse4 (_ bv0 32)) .cse6 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))))) (forall ((v_subst_72 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_70 (_ BitVec 32))) (let ((.cse8 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse9) (bvadd v_subst_72 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse9) (bvadd v_subst_70 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse9))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse8 (_ bv16 32)) (bvadd .cse8 (_ bv20 32))))) (forall ((v_subst_40 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse10 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse12 (bvadd v_subst_40 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse10 .cse11) .cse12 .cse11))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse13) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse10 (_ bv0 32)) .cse12 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse13))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_39 (_ BitVec 32))) (let ((.cse14 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse15) (bvadd v_subst_39 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse15))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse14) (bvadd .cse14 (_ bv20 32))))) (forall ((v_subst_82 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse16 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse17) (bvadd v_subst_82 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse17))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse16) (bvadd .cse16 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_30 (_ BitVec 32)) (v_subst_16 (_ BitVec 32))) (let ((.cse18 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse19) (bvadd v_subst_30 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse19) (bvadd v_subst_16 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse19))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse18) (bvadd (_ bv20 32) .cse18)))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_70 (_ BitVec 32))) (let ((.cse20 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse21) (bvadd v_subst_70 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse21))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse20) (bvadd .cse20 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_81 (_ BitVec 32))) (let ((.cse22 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse24 (bvadd v_subst_81 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse25 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse22 .cse23) .cse24 .cse23))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse25) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse22 (_ bv0 32)) .cse24 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse25))))) (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse26)) (= (select |c_#length| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (_ bv44 32)) (not (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) (forall ((v_subst_61 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (let ((.cse27 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse28) (bvadd v_subst_61 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse28))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse27) (bvadd .cse27 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_54 (_ BitVec 32))) (let ((.cse29 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse30) (bvadd v_subst_54 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse30))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse29) (bvadd (_ bv20 32) .cse29)))) (exists ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_125| (_ BitVec 32))) (let ((.cse31 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_125|))) (and (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse31) (_ bv0 32)) (= ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse31))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_53 (_ BitVec 32))) (let ((.cse32 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse34 (bvadd v_subst_53 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse35 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse32 .cse33) .cse34 .cse33))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse35)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse32 (_ bv0 32)) .cse34 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse35))))) (forall ((v_subst_71 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_69 (_ BitVec 32))) (let ((.cse36 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse38 (bvadd v_subst_71 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse39 (bvadd v_subst_69 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse40 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse36 .cse37) .cse38 .cse37) .cse39 .cse37))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse40) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse36 (_ bv0 32)) .cse38 (_ bv0 32)) .cse39 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse40))))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse26) (_ bv0 32)) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_69 (_ BitVec 32))) (let ((.cse41 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse43 (bvadd v_subst_69 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse44 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse42 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse41 .cse42) .cse43 .cse42))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse44) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse41 (_ bv0 32)) .cse43 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse44))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_15 (_ BitVec 32)) (v_subst_29 (_ BitVec 32))) (let ((.cse45 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse47 (bvadd v_subst_29 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse48 (bvadd v_subst_15 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse49 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse46 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse45 .cse46) .cse47 .cse46) .cse48 .cse46))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse49) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse45 (_ bv0 32)) .cse47 (_ bv0 32)) .cse48 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse49))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (v_subst_77 (_ BitVec 32))) (let ((.cse50 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse51 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse51) (bvadd v_subst_77 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse51))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse50) (bvadd .cse50 (_ bv20 32))))))) is different from true [2021-11-23 12:33:28,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:33:28,205 INFO L93 Difference]: Finished difference Result 1685 states and 2074 transitions. [2021-11-23 12:33:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 12:33:28,205 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.28) internal successors, (107), 26 states have internal predecessors, (107), 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 115 [2021-11-23 12:33:28,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:33:28,209 INFO L225 Difference]: With dead ends: 1685 [2021-11-23 12:33:28,209 INFO L226 Difference]: Without dead ends: 1685 [2021-11-23 12:33:28,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 129 SyntacticMatches, 76 SemanticMatches, 31 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 256.4s TimeCoverageRelationStatistics Valid=124, Invalid=354, Unknown=28, NotChecked=550, Total=1056 [2021-11-23 12:33:28,211 INFO L933 BasicCegarLoop]: 513 mSDtfsCounter, 855 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 12603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10127 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-11-23 12:33:28,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 2856 Invalid, 12603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2467 Invalid, 0 Unknown, 10127 Unchecked, 11.6s Time] [2021-11-23 12:33:28,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2021-11-23 12:33:28,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1234. [2021-11-23 12:33:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 861 states have (on average 1.740998838559814) internal successors, (1499), 1233 states have internal predecessors, (1499), 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) [2021-11-23 12:33:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1499 transitions. [2021-11-23 12:33:28,232 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1499 transitions. Word has length 115 [2021-11-23 12:33:28,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:33:28,233 INFO L470 AbstractCegarLoop]: Abstraction has 1234 states and 1499 transitions. [2021-11-23 12:33:28,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.28) internal successors, (107), 26 states have internal predecessors, (107), 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) [2021-11-23 12:33:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1499 transitions. [2021-11-23 12:33:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 12:33:28,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:33:28,235 INFO L514 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:33:28,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-23 12:33:28,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 12:33:28,453 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 534 more)] === [2021-11-23 12:33:28,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:33:28,453 INFO L85 PathProgramCache]: Analyzing trace with hash -146191323, now seen corresponding path program 1 times [2021-11-23 12:33:28,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 12:33:28,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642957368] [2021-11-23 12:33:28,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:33:28,454 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 12:33:28,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 12:33:28,456 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 12:33:28,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367a4b80-f49c-4419-a745-84168aa063bc/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-23 12:33:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:33:29,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 12:33:29,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:33:29,051 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 [2021-11-23 12:33:29,439 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-23 12:33:29,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-11-23 12:33:29,487 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 26 treesize of output 22 [2021-11-23 12:33:29,841 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 12:33:29,841 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 36 [2021-11-23 12:33:31,510 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:31,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:33,602 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:33,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:33,756 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:33,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:33,914 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:33,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 51 [2021-11-23 12:33:34,078 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:34,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:38,272 INFO L354 Elim1Store]: treesize reduction 72, result has 24.2 percent of original size [2021-11-23 12:33:38,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 54 [2021-11-23 12:33:42,499 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:42,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:42,664 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:42,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:42,853 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:42,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 12:33:43,011 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:43,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:45,824 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:45,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:45,989 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:45,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 52 [2021-11-23 12:33:47,823 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:47,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 51 [2021-11-23 12:33:47,986 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:47,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:49,655 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:49,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 12:33:51,786 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:51,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 51 [2021-11-23 12:33:53,508 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:53,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:53,677 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:53,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:54,434 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:54,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:55,529 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:55,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:55,695 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:55,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 51 [2021-11-23 12:33:58,769 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:58,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:59,537 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:59,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:33:59,697 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:33:59,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:01,006 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:01,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 51 [2021-11-23 12:34:01,203 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:01,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:02,897 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:02,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:03,045 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:03,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:05,273 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:05,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:07,914 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:07,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 12:34:10,859 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:10,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:13,608 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:13,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 12:34:15,677 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:15,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 12:34:15,840 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:15,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 12:34:17,503 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:17,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-23 12:34:21,312 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:21,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:23,039 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:23,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:24,721 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:24,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:24,909 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:24,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:28,807 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:28,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:28,976 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:28,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:30,941 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:30,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-23 12:34:31,134 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 12:34:31,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 49 [2021-11-23 12:34:31,692 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-23 12:34:31,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 35 [2021-11-23 12:34:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 43 proven. 44 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-23 12:34:31,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 12:34:38,525 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_260| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_260| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) (_ bv1 1)))) is different from false [2021-11-23 12:34:53,611 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_266| (_ BitVec 32))) (= (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_266| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))))) (_ bv1 1)) (_ bv0 1))) is different from false [2021-11-23 12:35:15,431 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_276| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_276| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) (_ bv1 1)))) is different from false [2021-11-23 12:35:18,814 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_280| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_280| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))) (_ bv1 1)))) is different from false [2021-11-23 12:35:37,211 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_288| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_288| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) (_ bv1 1)))) is different from false [2021-11-23 12:35:44,526 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_292| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_292| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))) (_ bv1 1)))) is different from false [2021-11-23 12:35:47,633 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_296| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_296| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) (_ bv1 1)))) is different from false [2021-11-23 12:36:21,909 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_308| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_308| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) (_ bv1 1)))) is different from false [2021-11-23 12:36:25,834 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_312| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_312| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))) (_ bv1 1)))) is different from false [2021-11-23 12:36:30,872 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_316| (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_316| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))))) is different from false [2021-11-23 12:36:50,676 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_324| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_324| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) (_ bv1 1)))) is different from false [2021-11-23 12:37:03,280 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_330| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_270| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_330| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_270| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))) (_ bv1 1)))) is different from false [2021-11-23 12:37:07,702 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_334| (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_334| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))))))) is different from false [2021-11-23 12:37:26,045 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_340| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_270| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_340| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_270| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) (_ bv1 1)))) is different from false [2021-11-23 12:37:32,361 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_344| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_344| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))))) (_ bv1 1)))) is different from false [2021-11-23 12:37:34,411 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_344| (_ BitVec 32))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem38#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem38#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr234#1_344| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))))))))) is different from false