./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 52769785b06238c88fd6b21b09d77c08165e59529f322f93adf725e9d68e47df --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 17:13:13,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 17:13:13,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 17:13:13,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 17:13:13,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 17:13:13,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 17:13:13,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 17:13:13,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 17:13:13,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 17:13:13,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 17:13:13,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 17:13:13,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 17:13:13,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 17:13:13,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 17:13:13,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 17:13:13,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 17:13:13,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 17:13:13,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 17:13:13,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 17:13:13,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 17:13:13,849 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 17:13:13,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 17:13:13,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 17:13:13,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 17:13:13,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 17:13:13,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 17:13:13,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 17:13:13,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 17:13:13,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 17:13:13,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 17:13:13,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 17:13:13,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 17:13:13,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 17:13:13,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 17:13:13,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 17:13:13,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 17:13:13,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 17:13:13,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 17:13:13,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 17:13:13,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 17:13:13,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 17:13:13,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 17:13:13,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-21 17:13:13,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 17:13:13,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 17:13:13,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 17:13:13,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 17:13:13,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 17:13:13,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 17:13:13,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 17:13:13,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 17:13:13,920 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 17:13:13,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 17:13:13,920 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 17:13:13,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 17:13:13,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 17:13:13,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 17:13:13,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 17:13:13,921 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 17:13:13,922 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 17:13:13,922 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 17:13:13,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 17:13:13,922 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 17:13:13,922 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 17:13:13,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 17:13:13,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 17:13:13,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 17:13:13,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 17:13:13,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 17:13:13,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 17:13:13,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 17:13:13,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 17:13:13,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 17:13:13,924 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52769785b06238c88fd6b21b09d77c08165e59529f322f93adf725e9d68e47df [2022-07-21 17:13:14,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 17:13:14,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 17:13:14,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 17:13:14,240 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 17:13:14,242 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 17:13:14,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i [2022-07-21 17:13:14,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf940dac/e409f2847aa34492be040ae54c39c37b/FLAGe1126d781 [2022-07-21 17:13:14,820 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 17:13:14,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i [2022-07-21 17:13:14,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf940dac/e409f2847aa34492be040ae54c39c37b/FLAGe1126d781 [2022-07-21 17:13:15,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf940dac/e409f2847aa34492be040ae54c39c37b [2022-07-21 17:13:15,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 17:13:15,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 17:13:15,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 17:13:15,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 17:13:15,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 17:13:15,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:13:15" (1/1) ... [2022-07-21 17:13:15,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f868644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:15, skipping insertion in model container [2022-07-21 17:13:15,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:13:15" (1/1) ... [2022-07-21 17:13:15,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 17:13:15,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 17:13:15,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 17:13:15,491 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-07-21 17:13:15,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dedf129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:15, skipping insertion in model container [2022-07-21 17:13:15,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 17:13:15,492 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 17:13:15,494 INFO L158 Benchmark]: Toolchain (without parser) took 346.96ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 43.8MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 17:13:15,494 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 17:13:15,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.35ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 43.8MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 17:13:15,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.35ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 43.8MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 556]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 52769785b06238c88fd6b21b09d77c08165e59529f322f93adf725e9d68e47df --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 17:13:17,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 17:13:17,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 17:13:17,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 17:13:17,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 17:13:17,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 17:13:17,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 17:13:17,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 17:13:17,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 17:13:17,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 17:13:17,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 17:13:17,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 17:13:17,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 17:13:17,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 17:13:17,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 17:13:17,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 17:13:17,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 17:13:17,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 17:13:17,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 17:13:17,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 17:13:17,341 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 17:13:17,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 17:13:17,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 17:13:17,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 17:13:17,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 17:13:17,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 17:13:17,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 17:13:17,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 17:13:17,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 17:13:17,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 17:13:17,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 17:13:17,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 17:13:17,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 17:13:17,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 17:13:17,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 17:13:17,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 17:13:17,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 17:13:17,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 17:13:17,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 17:13:17,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 17:13:17,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 17:13:17,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 17:13:17,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-21 17:13:17,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 17:13:17,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 17:13:17,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 17:13:17,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 17:13:17,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 17:13:17,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 17:13:17,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 17:13:17,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 17:13:17,406 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 17:13:17,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 17:13:17,407 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 17:13:17,407 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 17:13:17,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 17:13:17,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 17:13:17,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 17:13:17,408 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 17:13:17,408 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 17:13:17,409 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 17:13:17,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 17:13:17,409 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 17:13:17,409 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 17:13:17,410 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 17:13:17,410 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 17:13:17,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 17:13:17,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 17:13:17,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 17:13:17,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 17:13:17,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 17:13:17,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 17:13:17,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 17:13:17,411 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 17:13:17,412 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 17:13:17,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 17:13:17,412 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52769785b06238c88fd6b21b09d77c08165e59529f322f93adf725e9d68e47df [2022-07-21 17:13:17,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 17:13:17,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 17:13:17,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 17:13:17,796 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 17:13:17,797 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 17:13:17,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i [2022-07-21 17:13:17,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b05ce64/aabd0ddd1c1a4a2fbc199258c412b86a/FLAG42e3b51e7 [2022-07-21 17:13:18,419 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 17:13:18,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i [2022-07-21 17:13:18,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b05ce64/aabd0ddd1c1a4a2fbc199258c412b86a/FLAG42e3b51e7 [2022-07-21 17:13:18,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30b05ce64/aabd0ddd1c1a4a2fbc199258c412b86a [2022-07-21 17:13:18,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 17:13:18,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 17:13:18,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 17:13:18,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 17:13:18,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 17:13:18,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:13:18" (1/1) ... [2022-07-21 17:13:18,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a43711f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:18, skipping insertion in model container [2022-07-21 17:13:18,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:13:18" (1/1) ... [2022-07-21 17:13:18,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 17:13:18,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 17:13:19,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 17:13:19,039 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 17:13:19,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 17:13:19,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 17:13:19,130 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 17:13:19,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 17:13:19,211 INFO L208 MainTranslator]: Completed translation [2022-07-21 17:13:19,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19 WrapperNode [2022-07-21 17:13:19,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 17:13:19,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 17:13:19,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 17:13:19,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 17:13:19,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,273 INFO L137 Inliner]: procedures = 129, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2022-07-21 17:13:19,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 17:13:19,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 17:13:19,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 17:13:19,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 17:13:19,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 17:13:19,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 17:13:19,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 17:13:19,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 17:13:19,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (1/1) ... [2022-07-21 17:13:19,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 17:13:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 17:13:19,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 17:13:19,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 17:13:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 17:13:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 17:13:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure create_data [2022-07-21 17:13:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure create_data [2022-07-21 17:13:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 17:13:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 17:13:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 17:13:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 17:13:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 17:13:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 17:13:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 17:13:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 17:13:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 17:13:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 17:13:19,581 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 17:13:19,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 17:13:20,361 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 17:13:20,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 17:13:20,368 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-21 17:13:20,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:13:20 BoogieIcfgContainer [2022-07-21 17:13:20,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 17:13:20,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 17:13:20,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 17:13:20,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 17:13:20,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:13:18" (1/3) ... [2022-07-21 17:13:20,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178b52e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:13:20, skipping insertion in model container [2022-07-21 17:13:20,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:13:19" (2/3) ... [2022-07-21 17:13:20,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178b52e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:13:20, skipping insertion in model container [2022-07-21 17:13:20,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:13:20" (3/3) ... [2022-07-21 17:13:20,379 INFO L111 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test01-1.i [2022-07-21 17:13:20,394 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 17:13:20,395 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations. [2022-07-21 17:13:20,435 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 17:13:20,441 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4e89250e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6abe00b6 [2022-07-21 17:13:20,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2022-07-21 17:13:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 92 states have (on average 2.1630434782608696) internal successors, (199), 184 states have internal predecessors, (199), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:20,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-21 17:13:20,451 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:20,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-21 17:13:20,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:20,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:20,456 INFO L85 PathProgramCache]: Analyzing trace with hash 4835205, now seen corresponding path program 1 times [2022-07-21 17:13:20,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:20,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451898566] [2022-07-21 17:13:20,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:20,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:20,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:20,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:20,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 17:13:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:20,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 17:13:20,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:20,604 INFO L390 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 [2022-07-21 17:13:20,669 INFO L356 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-07-21 17:13:20,669 INFO L390 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 12 treesize of output 17 [2022-07-21 17:13:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:20,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:20,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:20,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451898566] [2022-07-21 17:13:20,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451898566] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:20,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:20,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 17:13:20,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298230894] [2022-07-21 17:13:20,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:20,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 17:13:20,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:20,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 17:13:20,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 17:13:20,732 INFO L87 Difference]: Start difference. First operand has 188 states, 92 states have (on average 2.1630434782608696) internal successors, (199), 184 states have internal predecessors, (199), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:21,278 INFO L93 Difference]: Finished difference Result 208 states and 220 transitions. [2022-07-21 17:13:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 17:13:21,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-07-21 17:13:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:21,289 INFO L225 Difference]: With dead ends: 208 [2022-07-21 17:13:21,289 INFO L226 Difference]: Without dead ends: 206 [2022-07-21 17:13:21,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 17:13:21,293 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 149 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:21,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 288 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 17:13:21,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-07-21 17:13:21,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 180. [2022-07-21 17:13:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 91 states have (on average 2.0549450549450547) internal successors, (187), 176 states have internal predecessors, (187), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 191 transitions. [2022-07-21 17:13:21,346 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 191 transitions. Word has length 4 [2022-07-21 17:13:21,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:21,347 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 191 transitions. [2022-07-21 17:13:21,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 191 transitions. [2022-07-21 17:13:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-21 17:13:21,348 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:21,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-21 17:13:21,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:21,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:21,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:21,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:21,559 INFO L85 PathProgramCache]: Analyzing trace with hash 4835206, now seen corresponding path program 1 times [2022-07-21 17:13:21,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:21,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488377936] [2022-07-21 17:13:21,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:21,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:21,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:21,562 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:21,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 17:13:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:21,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-21 17:13:21,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:21,659 INFO L390 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 [2022-07-21 17:13:21,666 INFO L390 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 [2022-07-21 17:13:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 17:13:21,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-07-21 17:13:21,730 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-21 17:13:21,730 INFO L390 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 12 treesize of output 12 [2022-07-21 17:13:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:21,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:21,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:21,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488377936] [2022-07-21 17:13:21,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488377936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:21,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:21,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 17:13:21,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686545573] [2022-07-21 17:13:21,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:21,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 17:13:21,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:21,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 17:13:21,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 17:13:21,758 INFO L87 Difference]: Start difference. First operand 180 states and 191 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:22,385 INFO L93 Difference]: Finished difference Result 196 states and 210 transitions. [2022-07-21 17:13:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 17:13:22,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-07-21 17:13:22,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:22,388 INFO L225 Difference]: With dead ends: 196 [2022-07-21 17:13:22,388 INFO L226 Difference]: Without dead ends: 196 [2022-07-21 17:13:22,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 17:13:22,390 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 28 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:22,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 341 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 17:13:22,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-07-21 17:13:22,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 185. [2022-07-21 17:13:22,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 96 states have (on average 2.0208333333333335) internal successors, (194), 181 states have internal predecessors, (194), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:22,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 198 transitions. [2022-07-21 17:13:22,402 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 198 transitions. Word has length 4 [2022-07-21 17:13:22,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:22,402 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 198 transitions. [2022-07-21 17:13:22,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 198 transitions. [2022-07-21 17:13:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-21 17:13:22,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:22,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-21 17:13:22,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:22,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:22,619 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:22,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:22,620 INFO L85 PathProgramCache]: Analyzing trace with hash 149891462, now seen corresponding path program 1 times [2022-07-21 17:13:22,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:22,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077360598] [2022-07-21 17:13:22,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:22,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:22,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:22,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:22,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 17:13:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:22,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 17:13:22,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:22,692 INFO L390 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 [2022-07-21 17:13:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:22,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:22,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:22,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077360598] [2022-07-21 17:13:22,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077360598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:22,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:22,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 17:13:22,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109119809] [2022-07-21 17:13:22,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:22,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 17:13:22,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:22,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 17:13:22,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:13:22,712 INFO L87 Difference]: Start difference. First operand 185 states and 198 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:22,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:22,994 INFO L93 Difference]: Finished difference Result 208 states and 221 transitions. [2022-07-21 17:13:22,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 17:13:22,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-07-21 17:13:22,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:22,999 INFO L225 Difference]: With dead ends: 208 [2022-07-21 17:13:22,999 INFO L226 Difference]: Without dead ends: 208 [2022-07-21 17:13:22,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:13:23,000 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 64 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:23,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 230 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 17:13:23,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-07-21 17:13:23,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 183. [2022-07-21 17:13:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 96 states have (on average 1.9895833333333333) internal successors, (191), 179 states have internal predecessors, (191), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 195 transitions. [2022-07-21 17:13:23,014 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 195 transitions. Word has length 5 [2022-07-21 17:13:23,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:23,015 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 195 transitions. [2022-07-21 17:13:23,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 195 transitions. [2022-07-21 17:13:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-21 17:13:23,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:23,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-21 17:13:23,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:23,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:23,224 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:23,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:23,224 INFO L85 PathProgramCache]: Analyzing trace with hash 149891463, now seen corresponding path program 1 times [2022-07-21 17:13:23,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:23,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531908641] [2022-07-21 17:13:23,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:23,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:23,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:23,227 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:23,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 17:13:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:23,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 17:13:23,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:23,288 INFO L390 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 [2022-07-21 17:13:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:23,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:23,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:23,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531908641] [2022-07-21 17:13:23,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531908641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:23,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:23,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 17:13:23,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367231482] [2022-07-21 17:13:23,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:23,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 17:13:23,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:23,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 17:13:23,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:13:23,302 INFO L87 Difference]: Start difference. First operand 183 states and 195 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:23,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:23,575 INFO L93 Difference]: Finished difference Result 181 states and 192 transitions. [2022-07-21 17:13:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 17:13:23,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-07-21 17:13:23,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:23,576 INFO L225 Difference]: With dead ends: 181 [2022-07-21 17:13:23,576 INFO L226 Difference]: Without dead ends: 181 [2022-07-21 17:13:23,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:13:23,577 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:23,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 271 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 17:13:23,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-07-21 17:13:23,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2022-07-21 17:13:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 96 states have (on average 1.9583333333333333) internal successors, (188), 177 states have internal predecessors, (188), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 192 transitions. [2022-07-21 17:13:23,585 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 192 transitions. Word has length 5 [2022-07-21 17:13:23,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:23,586 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 192 transitions. [2022-07-21 17:13:23,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 192 transitions. [2022-07-21 17:13:23,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 17:13:23,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:23,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:23,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 17:13:23,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:23,795 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:23,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash 370034199, now seen corresponding path program 1 times [2022-07-21 17:13:23,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:23,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791062527] [2022-07-21 17:13:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:23,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:23,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:23,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:23,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 17:13:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:23,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-21 17:13:23,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:23,894 INFO L390 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 [2022-07-21 17:13:23,920 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-21 17:13:23,921 INFO L390 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 12 treesize of output 12 [2022-07-21 17:13:23,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-21 17:13:23,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-21 17:13:24,001 INFO L390 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 15 treesize of output 7 [2022-07-21 17:13:24,005 INFO L390 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 15 treesize of output 7 [2022-07-21 17:13:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:24,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:24,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:24,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791062527] [2022-07-21 17:13:24,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791062527] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:24,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:24,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 17:13:24,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885549950] [2022-07-21 17:13:24,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:24,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 17:13:24,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:24,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 17:13:24,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 17:13:24,023 INFO L87 Difference]: Start difference. First operand 181 states and 192 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:24,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:24,460 INFO L93 Difference]: Finished difference Result 183 states and 195 transitions. [2022-07-21 17:13:24,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 17:13:24,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-21 17:13:24,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:24,462 INFO L225 Difference]: With dead ends: 183 [2022-07-21 17:13:24,462 INFO L226 Difference]: Without dead ends: 183 [2022-07-21 17:13:24,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-21 17:13:24,463 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 5 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:24,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 602 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 17:13:24,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-07-21 17:13:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 182. [2022-07-21 17:13:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 97 states have (on average 1.9484536082474226) internal successors, (189), 178 states have internal predecessors, (189), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions. [2022-07-21 17:13:24,470 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 10 [2022-07-21 17:13:24,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:24,471 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions. [2022-07-21 17:13:24,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions. [2022-07-21 17:13:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 17:13:24,471 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:24,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:24,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-21 17:13:24,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:24,681 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:24,681 INFO L85 PathProgramCache]: Analyzing trace with hash -882700124, now seen corresponding path program 1 times [2022-07-21 17:13:24,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:24,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011483189] [2022-07-21 17:13:24,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:24,682 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:24,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:24,684 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:24,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 17:13:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:24,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 17:13:24,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:24,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:24,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:24,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011483189] [2022-07-21 17:13:24,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011483189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:24,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:24,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 17:13:24,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814034686] [2022-07-21 17:13:24,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:24,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 17:13:24,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:24,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 17:13:24,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 17:13:24,775 INFO L87 Difference]: Start difference. First operand 182 states and 193 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:24,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:24,804 INFO L93 Difference]: Finished difference Result 258 states and 273 transitions. [2022-07-21 17:13:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 17:13:24,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-21 17:13:24,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:24,806 INFO L225 Difference]: With dead ends: 258 [2022-07-21 17:13:24,806 INFO L226 Difference]: Without dead ends: 258 [2022-07-21 17:13:24,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 17:13:24,809 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 79 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:24,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 545 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 17:13:24,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-07-21 17:13:24,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 222. [2022-07-21 17:13:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 136 states have (on average 1.9779411764705883) internal successors, (269), 217 states have internal predecessors, (269), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 273 transitions. [2022-07-21 17:13:24,817 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 273 transitions. Word has length 12 [2022-07-21 17:13:24,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:24,817 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 273 transitions. [2022-07-21 17:13:24,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 273 transitions. [2022-07-21 17:13:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-21 17:13:24,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:24,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:24,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:25,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:25,028 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting create_dataErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:25,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:25,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1593893879, now seen corresponding path program 1 times [2022-07-21 17:13:25,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:25,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819561935] [2022-07-21 17:13:25,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:25,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:25,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:25,031 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:25,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 17:13:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:25,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 17:13:25,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:25,131 INFO L356 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-07-21 17:13:25,131 INFO L390 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 1 case distinctions, treesize of input 9 treesize of output 14 [2022-07-21 17:13:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:25,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:25,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:25,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819561935] [2022-07-21 17:13:25,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819561935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:25,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:25,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 17:13:25,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403027712] [2022-07-21 17:13:25,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:25,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 17:13:25,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:25,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 17:13:25,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:13:25,147 INFO L87 Difference]: Start difference. First operand 222 states and 273 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:25,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:25,387 INFO L93 Difference]: Finished difference Result 209 states and 245 transitions. [2022-07-21 17:13:25,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 17:13:25,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-07-21 17:13:25,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:25,389 INFO L225 Difference]: With dead ends: 209 [2022-07-21 17:13:25,389 INFO L226 Difference]: Without dead ends: 209 [2022-07-21 17:13:25,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:13:25,390 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 60 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:25,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 196 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 17:13:25,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-07-21 17:13:25,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2022-07-21 17:13:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 136 states have (on average 1.7573529411764706) internal successors, (239), 202 states have internal predecessors, (239), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 243 transitions. [2022-07-21 17:13:25,395 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 243 transitions. Word has length 13 [2022-07-21 17:13:25,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:25,396 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 243 transitions. [2022-07-21 17:13:25,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 243 transitions. [2022-07-21 17:13:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-21 17:13:25,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:25,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:25,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:25,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:25,606 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting create_dataErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:25,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:25,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1593893878, now seen corresponding path program 1 times [2022-07-21 17:13:25,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:25,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263788571] [2022-07-21 17:13:25,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:25,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:25,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:25,608 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:25,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 17:13:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:25,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 17:13:25,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:25,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 17:13:25,690 INFO L390 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 9 treesize of output 11 [2022-07-21 17:13:25,696 INFO L390 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 11 treesize of output 9 [2022-07-21 17:13:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:25,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:25,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:25,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263788571] [2022-07-21 17:13:25,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263788571] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:25,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:25,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 17:13:25,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295465500] [2022-07-21 17:13:25,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:25,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 17:13:25,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:25,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 17:13:25,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:13:25,715 INFO L87 Difference]: Start difference. First operand 207 states and 243 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:25,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:25,959 INFO L93 Difference]: Finished difference Result 194 states and 215 transitions. [2022-07-21 17:13:25,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 17:13:25,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-07-21 17:13:25,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:25,960 INFO L225 Difference]: With dead ends: 194 [2022-07-21 17:13:25,960 INFO L226 Difference]: Without dead ends: 194 [2022-07-21 17:13:25,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 17:13:25,961 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 45 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:25,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 198 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 17:13:25,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-21 17:13:25,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2022-07-21 17:13:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 136 states have (on average 1.536764705882353) internal successors, (209), 187 states have internal predecessors, (209), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 213 transitions. [2022-07-21 17:13:25,966 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 213 transitions. Word has length 13 [2022-07-21 17:13:25,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:25,967 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 213 transitions. [2022-07-21 17:13:25,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 213 transitions. [2022-07-21 17:13:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-21 17:13:25,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:25,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:25,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:26,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:26,176 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting create_dataErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:26,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1802744652, now seen corresponding path program 1 times [2022-07-21 17:13:26,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:26,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742331077] [2022-07-21 17:13:26,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:26,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:26,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:26,178 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:26,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 17:13:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:26,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 17:13:26,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:26,276 INFO L356 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2022-07-21 17:13:26,276 INFO L390 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 1 case distinctions, treesize of input 9 treesize of output 18 [2022-07-21 17:13:26,309 INFO L390 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 [2022-07-21 17:13:26,330 INFO L390 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 [2022-07-21 17:13:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:26,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:26,339 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:26,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742331077] [2022-07-21 17:13:26,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742331077] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:26,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:26,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 17:13:26,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772747323] [2022-07-21 17:13:26,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:26,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 17:13:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:26,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 17:13:26,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 17:13:26,342 INFO L87 Difference]: Start difference. First operand 192 states and 213 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:26,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:26,813 INFO L93 Difference]: Finished difference Result 243 states and 277 transitions. [2022-07-21 17:13:26,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 17:13:26,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-07-21 17:13:26,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:26,815 INFO L225 Difference]: With dead ends: 243 [2022-07-21 17:13:26,815 INFO L226 Difference]: Without dead ends: 243 [2022-07-21 17:13:26,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 17:13:26,816 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 25 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:26,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 387 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 17:13:26,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-07-21 17:13:26,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 198. [2022-07-21 17:13:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 142 states have (on average 1.5422535211267605) internal successors, (219), 193 states have internal predecessors, (219), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 223 transitions. [2022-07-21 17:13:26,821 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 223 transitions. Word has length 17 [2022-07-21 17:13:26,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:26,821 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 223 transitions. [2022-07-21 17:13:26,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 223 transitions. [2022-07-21 17:13:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-21 17:13:26,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:26,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:26,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:27,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:27,032 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:27,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:27,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1802744651, now seen corresponding path program 1 times [2022-07-21 17:13:27,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:27,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936468360] [2022-07-21 17:13:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:27,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:27,034 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:27,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 17:13:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:27,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 17:13:27,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:27,139 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-21 17:13:27,140 INFO L390 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-07-21 17:13:27,162 INFO L390 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 [2022-07-21 17:13:27,171 INFO L390 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 [2022-07-21 17:13:27,227 INFO L390 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 21 treesize of output 9 [2022-07-21 17:13:27,232 INFO L390 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 19 treesize of output 7 [2022-07-21 17:13:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:27,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 17:13:27,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:27,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936468360] [2022-07-21 17:13:27,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936468360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 17:13:27,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 17:13:27,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 17:13:27,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585718104] [2022-07-21 17:13:27,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 17:13:27,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 17:13:27,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:27,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 17:13:27,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 17:13:27,249 INFO L87 Difference]: Start difference. First operand 198 states and 223 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:27,822 INFO L93 Difference]: Finished difference Result 200 states and 221 transitions. [2022-07-21 17:13:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 17:13:27,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-07-21 17:13:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:27,824 INFO L225 Difference]: With dead ends: 200 [2022-07-21 17:13:27,824 INFO L226 Difference]: Without dead ends: 200 [2022-07-21 17:13:27,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-21 17:13:27,825 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 4 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:27,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 486 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 17:13:27,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-07-21 17:13:27,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198. [2022-07-21 17:13:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 142 states have (on average 1.5140845070422535) internal successors, (215), 193 states have internal predecessors, (215), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 219 transitions. [2022-07-21 17:13:27,830 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 219 transitions. Word has length 17 [2022-07-21 17:13:27,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:27,830 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 219 transitions. [2022-07-21 17:13:27,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:27,830 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 219 transitions. [2022-07-21 17:13:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 17:13:27,831 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:27,831 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:27,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:28,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:28,041 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting create_dataErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:28,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:28,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1188184013, now seen corresponding path program 1 times [2022-07-21 17:13:28,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:28,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942563063] [2022-07-21 17:13:28,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:28,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:28,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:28,043 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:28,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 17:13:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:28,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 17:13:28,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:28,178 INFO L356 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-07-21 17:13:28,179 INFO L390 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 20 treesize of output 22 [2022-07-21 17:13:28,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-21 17:13:28,293 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:28,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2022-07-21 17:13:28,332 INFO L390 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 31 treesize of output 13 [2022-07-21 17:13:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-21 17:13:28,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 17:13:28,397 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_176) c_create_data_~data~0.base) (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (_ bv1 1))) is different from false [2022-07-21 17:13:28,407 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select |c_#valid| (let ((.cse0 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse0) v_ArrVal_176) c_create_data_~data~0.base) .cse0))) (_ bv1 1))) is different from false [2022-07-21 17:13:28,426 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:28,426 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2022-07-21 17:13:28,429 INFO L390 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 40 treesize of output 28 [2022-07-21 17:13:28,433 INFO L390 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 13 treesize of output 9 [2022-07-21 17:13:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-07-21 17:13:28,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:28,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942563063] [2022-07-21 17:13:28,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942563063] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 17:13:28,473 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 17:13:28,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2022-07-21 17:13:28,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403868574] [2022-07-21 17:13:28,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 17:13:28,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 17:13:28,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:28,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 17:13:28,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=52, Unknown=2, NotChecked=30, Total=110 [2022-07-21 17:13:28,474 INFO L87 Difference]: Start difference. First operand 198 states and 219 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:29,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:29,161 INFO L93 Difference]: Finished difference Result 203 states and 223 transitions. [2022-07-21 17:13:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 17:13:29,162 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-21 17:13:29,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:29,163 INFO L225 Difference]: With dead ends: 203 [2022-07-21 17:13:29,163 INFO L226 Difference]: Without dead ends: 203 [2022-07-21 17:13:29,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=64, Unknown=2, NotChecked=34, Total=132 [2022-07-21 17:13:29,164 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 25 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 333 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:29,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 797 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 359 Invalid, 0 Unknown, 333 Unchecked, 0.6s Time] [2022-07-21 17:13:29,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-07-21 17:13:29,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 197. [2022-07-21 17:13:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 142 states have (on average 1.5) internal successors, (213), 192 states have internal predecessors, (213), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 217 transitions. [2022-07-21 17:13:29,183 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 217 transitions. Word has length 22 [2022-07-21 17:13:29,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:29,183 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 217 transitions. [2022-07-21 17:13:29,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 217 transitions. [2022-07-21 17:13:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 17:13:29,184 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:29,184 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:29,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:29,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:29,395 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:29,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:29,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1188184014, now seen corresponding path program 1 times [2022-07-21 17:13:29,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:29,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277149210] [2022-07-21 17:13:29,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 17:13:29,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:29,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:29,398 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:29,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 17:13:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 17:13:29,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 17:13:29,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:29,540 INFO L390 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 11 treesize of output 9 [2022-07-21 17:13:29,547 INFO L390 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 9 treesize of output 11 [2022-07-21 17:13:29,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-21 17:13:29,574 INFO L390 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 [2022-07-21 17:13:29,688 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:29,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:29,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:29,769 INFO L390 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 31 treesize of output 13 [2022-07-21 17:13:29,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-21 17:13:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:29,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 17:13:30,207 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_222 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_221 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (bvule (bvadd (_ bv8 32) (bvmul c_create_data_~counter~0 (_ bv4 32)) (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_222) c_create_data_~data~0.base) .cse0)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_221) c_create_data_~data~0.base) .cse0))))) (forall ((v_ArrVal_222 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_222) c_create_data_~data~0.base) (bvadd (_ bv4 32) c_create_data_~data~0.offset)))) (bvule (bvadd (_ bv4 32) .cse1 .cse2) (bvadd (_ bv8 32) .cse1 .cse2))))) is different from false [2022-07-21 17:13:30,263 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_222 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse2) v_ArrVal_222) c_create_data_~data~0.base) .cse2))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv4 32) .cse0 .cse1) (bvadd (_ bv8 32) .cse0 .cse1)))) (forall ((v_ArrVal_222 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_221 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_222) c_create_data_~data~0.base) .cse4) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_221) c_create_data_~data~0.base) .cse4))))))) is different from false [2022-07-21 17:13:30,320 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_222 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse1) v_ArrVal_222) c_create_data_~data~0.base) .cse1)))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_222 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_221 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_222) c_create_data_~data~0.base) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_221) c_create_data_~data~0.base) .cse3))))))) is different from false [2022-07-21 17:13:30,335 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:30,335 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 46 [2022-07-21 17:13:30,343 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:30,344 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2022-07-21 17:13:30,348 INFO L390 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 62 treesize of output 50 [2022-07-21 17:13:30,352 INFO L390 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 96 treesize of output 78 [2022-07-21 17:13:30,360 INFO L390 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 40 treesize of output 32 [2022-07-21 17:13:30,363 INFO L390 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 66 treesize of output 58 [2022-07-21 17:13:30,456 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:30,456 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 36 [2022-07-21 17:13:30,459 INFO L390 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 54 treesize of output 36 [2022-07-21 17:13:30,467 INFO L390 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 19 treesize of output 11 [2022-07-21 17:13:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-07-21 17:13:30,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:30,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277149210] [2022-07-21 17:13:30,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277149210] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 17:13:30,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 17:13:30,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2022-07-21 17:13:30,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967079572] [2022-07-21 17:13:30,640 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 17:13:30,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 17:13:30,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:30,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 17:13:30,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=102, Unknown=3, NotChecked=66, Total=210 [2022-07-21 17:13:30,641 INFO L87 Difference]: Start difference. First operand 197 states and 217 transitions. Second operand has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 15 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:32,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:32,603 INFO L93 Difference]: Finished difference Result 209 states and 229 transitions. [2022-07-21 17:13:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 17:13:32,605 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 15 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-21 17:13:32,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:32,606 INFO L225 Difference]: With dead ends: 209 [2022-07-21 17:13:32,606 INFO L226 Difference]: Without dead ends: 209 [2022-07-21 17:13:32,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=159, Unknown=3, NotChecked=84, Total=306 [2022-07-21 17:13:32,607 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 14 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 312 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:32,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 887 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 389 Invalid, 0 Unknown, 312 Unchecked, 1.7s Time] [2022-07-21 17:13:32,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-07-21 17:13:32,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2022-07-21 17:13:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 152 states have (on average 1.4671052631578947) internal successors, (223), 202 states have internal predecessors, (223), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 227 transitions. [2022-07-21 17:13:32,610 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 227 transitions. Word has length 22 [2022-07-21 17:13:32,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:32,611 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 227 transitions. [2022-07-21 17:13:32,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 15 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 227 transitions. [2022-07-21 17:13:32,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-21 17:13:32,611 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:32,612 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:32,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:32,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:32,818 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:32,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:32,819 INFO L85 PathProgramCache]: Analyzing trace with hash 200627285, now seen corresponding path program 2 times [2022-07-21 17:13:32,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:32,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143048136] [2022-07-21 17:13:32,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 17:13:32,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:32,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:32,821 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:32,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-21 17:13:33,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 17:13:33,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 17:13:33,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-21 17:13:33,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:33,050 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-21 17:13:33,050 INFO L390 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-07-21 17:13:33,064 INFO L390 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 11 treesize of output 9 [2022-07-21 17:13:33,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-21 17:13:33,094 INFO L390 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 [2022-07-21 17:13:33,201 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:33,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:33,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:33,333 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:33,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:33,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:33,415 INFO L390 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 31 treesize of output 13 [2022-07-21 17:13:33,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-21 17:13:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:33,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 17:13:33,780 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_284) c_create_data_~data~0.base) (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv4 32) .cse0 .cse1) (bvadd (_ bv8 32) .cse0 .cse1)))) (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_285 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_284) c_create_data_~data~0.base) .cse2) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_285) c_create_data_~data~0.base) .cse2)))))) is different from false [2022-07-21 17:13:33,825 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse2) v_ArrVal_284) c_create_data_~data~0.base) .cse2))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv4 32) .cse0 .cse1) (bvadd (_ bv8 32) .cse0 .cse1)))) (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_285 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_284) c_create_data_~data~0.base) .cse4) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_285) c_create_data_~data~0.base) .cse4))))))) is different from false [2022-07-21 17:13:33,888 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_285 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse1))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_284) c_create_data_~data~0.base) .cse1) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_285) c_create_data_~data~0.base) .cse1)))))) (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4) v_ArrVal_284) c_create_data_~data~0.base) .cse4))) (.cse3 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv8 32) .cse2 .cse3) (bvadd .cse2 .cse3 (_ bv12 32)))))) is different from false [2022-07-21 17:13:33,962 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_285 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_282 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_283 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_283)) (.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select .cse2 c_create_data_~data~0.base) .cse1))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_282) .cse0 v_ArrVal_284) c_create_data_~data~0.base) .cse1) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store .cse2 .cse0 v_ArrVal_285) c_create_data_~data~0.base) .cse1)))))) (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_282 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_283 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (let ((.cse5 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_282) (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_283) c_create_data_~data~0.base) .cse5) v_ArrVal_284) c_create_data_~data~0.base) .cse5))) (.cse4 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv8 32) .cse3 .cse4) (bvadd .cse3 .cse4 (_ bv12 32)))))) is different from false [2022-07-21 17:13:34,013 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_282 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_283 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_282) (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_283) c_create_data_~data~0.base) .cse3) v_ArrVal_284)) c_create_data_~data~0.base) .cse3))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd .cse0 (_ bv8 32) .cse1) (bvadd .cse0 .cse1 (_ bv12 32))))) (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_285 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_282 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_283 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse6))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_283))) (let ((.cse5 (select (select .cse7 c_create_data_~data~0.base) .cse6))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| .cse4 v_ArrVal_282) .cse5 v_ArrVal_284) c_create_data_~data~0.base) .cse6) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store .cse7 .cse5 v_ArrVal_285) c_create_data_~data~0.base) .cse6))))))))) is different from false [2022-07-21 17:13:34,082 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_282 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_283 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse2))) (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_282) (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_283) c_create_data_~data~0.base) .cse2) v_ArrVal_284)) c_create_data_~data~0.base) .cse2)))) (bvule (bvadd .cse0 (_ bv8 32)) (bvadd .cse0 (_ bv12 32))))) (forall ((v_ArrVal_284 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_285 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_282 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_283 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse5))) (let ((.cse6 (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_283))) (let ((.cse4 (select (select .cse6 c_create_data_~data~0.base) .cse5))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_282) .cse4 v_ArrVal_284) c_create_data_~data~0.base) .cse5) (_ bv12 32)) (select |c_#length| (select (select (store .cse6 .cse4 v_ArrVal_285) c_create_data_~data~0.base) .cse5))))))))) is different from false [2022-07-21 17:13:34,098 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:34,098 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 80 [2022-07-21 17:13:34,107 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:34,107 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 60 [2022-07-21 17:13:34,112 INFO L390 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 102 treesize of output 84 [2022-07-21 17:13:34,115 INFO L390 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 174 treesize of output 144 [2022-07-21 17:13:34,127 INFO L390 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 102 treesize of output 86 [2022-07-21 17:13:34,138 INFO L390 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 86 treesize of output 78 [2022-07-21 17:13:34,141 INFO L390 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 116 treesize of output 92 [2022-07-21 17:13:34,173 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:34,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 90 [2022-07-21 17:13:34,186 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:34,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 60 [2022-07-21 17:13:34,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 17:13:34,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 56 [2022-07-21 17:13:34,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 17:13:34,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-07-21 17:13:34,218 INFO L390 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 15 treesize of output 11 [2022-07-21 17:13:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2022-07-21 17:13:34,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:34,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143048136] [2022-07-21 17:13:34,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143048136] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 17:13:34,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 17:13:34,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 19 [2022-07-21 17:13:34,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324533301] [2022-07-21 17:13:34,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 17:13:34,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-21 17:13:34,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:34,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-21 17:13:34,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=144, Unknown=6, NotChecked=174, Total=380 [2022-07-21 17:13:34,305 INFO L87 Difference]: Start difference. First operand 207 states and 227 transitions. Second operand has 20 states, 19 states have (on average 2.210526315789474) internal successors, (42), 20 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:36,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:36,736 INFO L93 Difference]: Finished difference Result 219 states and 239 transitions. [2022-07-21 17:13:36,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 17:13:36,738 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.210526315789474) internal successors, (42), 20 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-21 17:13:36,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:36,739 INFO L225 Difference]: With dead ends: 219 [2022-07-21 17:13:36,739 INFO L226 Difference]: Without dead ends: 219 [2022-07-21 17:13:36,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=85, Invalid=239, Unknown=6, NotChecked=222, Total=552 [2022-07-21 17:13:36,740 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 20 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 522 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:36,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1216 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 578 Invalid, 0 Unknown, 522 Unchecked, 2.0s Time] [2022-07-21 17:13:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-07-21 17:13:36,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 217. [2022-07-21 17:13:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 162 states have (on average 1.4382716049382716) internal successors, (233), 212 states have internal predecessors, (233), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 237 transitions. [2022-07-21 17:13:36,745 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 237 transitions. Word has length 27 [2022-07-21 17:13:36,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:36,745 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 237 transitions. [2022-07-21 17:13:36,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.210526315789474) internal successors, (42), 20 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 237 transitions. [2022-07-21 17:13:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 17:13:36,746 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:36,746 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:36,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:36,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:36,947 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:36,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:36,947 INFO L85 PathProgramCache]: Analyzing trace with hash 201129006, now seen corresponding path program 3 times [2022-07-21 17:13:36,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:36,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248981811] [2022-07-21 17:13:36,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-21 17:13:36,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:36,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:36,949 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:36,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-21 17:13:37,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-07-21 17:13:37,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 17:13:37,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 28 conjunts are in the unsatisfiable core [2022-07-21 17:13:37,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:37,318 INFO L390 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 11 treesize of output 9 [2022-07-21 17:13:37,325 INFO L390 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 9 treesize of output 11 [2022-07-21 17:13:37,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-21 17:13:37,359 INFO L390 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 [2022-07-21 17:13:37,456 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:37,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:37,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:37,576 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:37,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:37,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:37,714 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:37,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:37,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:37,809 INFO L390 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 31 treesize of output 13 [2022-07-21 17:13:37,813 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-21 17:13:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:37,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 17:13:38,172 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_364) c_create_data_~data~0.base) .cse0) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_365) c_create_data_~data~0.base) .cse0))))) (forall ((v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_364) c_create_data_~data~0.base) (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (.cse2 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv4 32) .cse1 .cse2) (bvadd (_ bv8 32) .cse1 .cse2))))) is different from false [2022-07-21 17:13:38,206 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse2) v_ArrVal_364) c_create_data_~data~0.base) .cse2))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv4 32) .cse0 .cse1) (bvadd (_ bv8 32) .cse0 .cse1)))) (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_364) c_create_data_~data~0.base) .cse4) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_365) c_create_data_~data~0.base) .cse4))))))) is different from false [2022-07-21 17:13:38,263 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse1))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_364) c_create_data_~data~0.base) .cse1) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_365) c_create_data_~data~0.base) .cse1)))))) (forall ((v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4) v_ArrVal_364) c_create_data_~data~0.base) .cse4))) (.cse3 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv8 32) .cse2 .cse3) (bvadd .cse2 .cse3 (_ bv12 32)))))) is different from false [2022-07-21 17:13:38,408 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_362) (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_363) c_create_data_~data~0.base) .cse2) v_ArrVal_364) c_create_data_~data~0.base) .cse2))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv8 32) .cse0 .cse1) (bvadd .cse0 .cse1 (_ bv12 32))))) (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_363)) (.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse3 (select (select .cse5 c_create_data_~data~0.base) .cse4))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_362) .cse3 v_ArrVal_364) c_create_data_~data~0.base) .cse4) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store .cse5 .cse3 v_ArrVal_365) c_create_data_~data~0.base) .cse4))))))) is different from false [2022-07-21 17:13:38,542 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_362) (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_363) c_create_data_~data~0.base) .cse3) v_ArrVal_364)) c_create_data_~data~0.base) .cse3))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv8 32) .cse0 .cse1) (bvadd .cse0 .cse1 (_ bv12 32))))) (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse6))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_363))) (let ((.cse5 (select (select .cse7 c_create_data_~data~0.base) .cse6))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| .cse4 v_ArrVal_362) .cse5 v_ArrVal_364) c_create_data_~data~0.base) .cse6) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store .cse7 .cse5 v_ArrVal_365) c_create_data_~data~0.base) .cse6))))))))) is different from false [2022-07-21 17:13:38,628 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_362) (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_363) c_create_data_~data~0.base) .cse3) v_ArrVal_364)) c_create_data_~data~0.base) .cse3))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd .cse0 .cse1 (_ bv12 32)) (bvadd (_ bv16 32) .cse0 .cse1)))) (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse6))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_363))) (let ((.cse5 (select (select .cse7 c_create_data_~data~0.base) .cse6))) (bvule (bvadd (_ bv16 32) (select (select (store (store |c_#memory_$Pointer$.offset| .cse4 v_ArrVal_362) .cse5 v_ArrVal_364) c_create_data_~data~0.base) .cse6) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse7 .cse5 v_ArrVal_365) c_create_data_~data~0.base) .cse6))))))))) is different from false [2022-07-21 17:13:39,330 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_361 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_360 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_360)) (.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select .cse4 c_create_data_~data~0.base) .cse2))) (let ((.cse3 (store .cse4 .cse0 v_ArrVal_363))) (let ((.cse1 (select (select .cse3 c_create_data_~data~0.base) .cse2))) (bvule (bvadd (_ bv16 32) (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_361) .cse0 v_ArrVal_362) .cse1 v_ArrVal_364) c_create_data_~data~0.base) .cse2) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse3 .cse1 v_ArrVal_365) c_create_data_~data~0.base) .cse2)))))))) (forall ((v_ArrVal_361 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_360 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (let ((.cse9 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_360))) (let ((.cse7 (select (select .cse8 c_create_data_~data~0.base) .cse9))) (store (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_361) .cse7 v_ArrVal_362) (select (select (store .cse8 .cse7 v_ArrVal_363) c_create_data_~data~0.base) .cse9) v_ArrVal_364))) c_create_data_~data~0.base) .cse9))) (.cse6 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd .cse5 .cse6 (_ bv12 32)) (bvadd (_ bv16 32) .cse5 .cse6))))) is different from false [2022-07-21 17:13:39,967 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_361 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_360 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_360))) (let ((.cse1 (select (select .cse5 c_create_data_~data~0.base) .cse3))) (let ((.cse4 (store .cse5 .cse1 v_ArrVal_363))) (let ((.cse2 (select (select .cse4 c_create_data_~data~0.base) .cse3))) (bvule (bvadd (_ bv16 32) (select (select (store (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_361) .cse1 v_ArrVal_362) .cse2 v_ArrVal_364) c_create_data_~data~0.base) .cse3) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse4 .cse2 v_ArrVal_365) c_create_data_~data~0.base) .cse3)))))))))) (forall ((v_ArrVal_361 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_360 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (let ((.cse11 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse8 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse11))) (let ((.cse10 (store |c_#memory_$Pointer$.base| .cse8 v_ArrVal_360))) (let ((.cse9 (select (select .cse10 c_create_data_~data~0.base) .cse11))) (store (store (store |c_#memory_$Pointer$.offset| .cse8 v_ArrVal_361) .cse9 v_ArrVal_362) (select (select (store .cse10 .cse9 v_ArrVal_363) c_create_data_~data~0.base) .cse11) v_ArrVal_364)))) c_create_data_~data~0.base) .cse11))) (.cse7 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd .cse6 .cse7 (_ bv12 32)) (bvadd (_ bv16 32) .cse6 .cse7))))) is different from false [2022-07-21 17:13:40,119 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_361 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_360 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4))) (let ((.cse3 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_360))) (let ((.cse2 (select (select .cse3 c_create_data_~data~0.base) .cse4))) (store (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_361) .cse2 v_ArrVal_362) (select (select (store .cse3 .cse2 v_ArrVal_363) c_create_data_~data~0.base) .cse4) v_ArrVal_364)))) c_create_data_~data~0.base) .cse4)))) (bvule (bvadd .cse0 (_ bv12 32)) (bvadd (_ bv16 32) .cse0)))) (forall ((v_ArrVal_365 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_361 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_362 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_363 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_364 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_360 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse8))) (let ((.cse10 (store |c_#memory_$Pointer$.base| .cse5 v_ArrVal_360))) (let ((.cse6 (select (select .cse10 c_create_data_~data~0.base) .cse8))) (let ((.cse9 (store .cse10 .cse6 v_ArrVal_363))) (let ((.cse7 (select (select .cse9 c_create_data_~data~0.base) .cse8))) (bvule (bvadd (_ bv16 32) (select (select (store (store (store |c_#memory_$Pointer$.offset| .cse5 v_ArrVal_361) .cse6 v_ArrVal_362) .cse7 v_ArrVal_364) c_create_data_~data~0.base) .cse8)) (select |c_#length| (select (select (store .cse9 .cse7 v_ArrVal_365) c_create_data_~data~0.base) .cse8))))))))))) is different from false [2022-07-21 17:13:40,174 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:40,174 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 168 [2022-07-21 17:13:40,201 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:40,202 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 108 [2022-07-21 17:13:40,216 INFO L390 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 588 treesize of output 498 [2022-07-21 17:13:40,238 INFO L390 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 6342 treesize of output 5964 [2022-07-21 17:13:40,306 INFO L390 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 5960 treesize of output 5544 [2022-07-21 17:13:40,340 INFO L390 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 5544 treesize of output 5000 [2022-07-21 17:13:40,373 INFO L390 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 5000 treesize of output 4128 [2022-07-21 17:13:40,412 INFO L390 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 4128 treesize of output 3920 [2022-07-21 17:13:40,445 INFO L390 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 3920 treesize of output 3712 [2022-07-21 17:13:41,909 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:41,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 178 [2022-07-21 17:13:41,935 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:13:41,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 108 [2022-07-21 17:13:41,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 17:13:41,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 460 treesize of output 310 [2022-07-21 17:13:41,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 17:13:41,960 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 368 treesize of output 314 [2022-07-21 17:13:41,974 INFO L390 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 310 treesize of output 286 [2022-07-21 17:13:41,986 INFO L390 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 286 treesize of output 226 [2022-07-21 17:13:41,997 INFO L390 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 226 treesize of output 210 [2022-07-21 17:13:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 24 not checked. [2022-07-21 17:13:42,249 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 17:13:42,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248981811] [2022-07-21 17:13:42,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248981811] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 17:13:42,250 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 17:13:42,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2022-07-21 17:13:42,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657246858] [2022-07-21 17:13:42,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 17:13:42,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-21 17:13:42,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 17:13:42,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-21 17:13:42,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=194, Unknown=9, NotChecked=324, Total=600 [2022-07-21 17:13:42,251 INFO L87 Difference]: Start difference. First operand 217 states and 237 transitions. Second operand has 25 states, 24 states have (on average 2.1666666666666665) internal successors, (52), 25 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:48,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 17:13:48,176 INFO L93 Difference]: Finished difference Result 229 states and 249 transitions. [2022-07-21 17:13:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 17:13:48,178 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.1666666666666665) internal successors, (52), 25 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-07-21 17:13:48,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 17:13:48,179 INFO L225 Difference]: With dead ends: 229 [2022-07-21 17:13:48,179 INFO L226 Difference]: Without dead ends: 229 [2022-07-21 17:13:48,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 39 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=110, Invalid=337, Unknown=9, NotChecked=414, Total=870 [2022-07-21 17:13:48,180 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 26 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1625 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 838 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 17:13:48,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 1625 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 792 Invalid, 0 Unknown, 838 Unchecked, 4.5s Time] [2022-07-21 17:13:48,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2022-07-21 17:13:48,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 227. [2022-07-21 17:13:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 172 states have (on average 1.4127906976744187) internal successors, (243), 222 states have internal predecessors, (243), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 17:13:48,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 247 transitions. [2022-07-21 17:13:48,185 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 247 transitions. Word has length 32 [2022-07-21 17:13:48,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 17:13:48,185 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 247 transitions. [2022-07-21 17:13:48,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.1666666666666665) internal successors, (52), 25 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 17:13:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2022-07-21 17:13:48,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-21 17:13:48,186 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 17:13:48,186 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 17:13:48,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-21 17:13:48,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 17:13:48,387 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2022-07-21 17:13:48,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 17:13:48,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1676760053, now seen corresponding path program 4 times [2022-07-21 17:13:48,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 17:13:48,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869105117] [2022-07-21 17:13:48,388 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-21 17:13:48,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 17:13:48,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 17:13:48,389 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 17:13:48,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-21 17:13:48,605 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-21 17:13:48,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 17:13:48,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 31 conjunts are in the unsatisfiable core [2022-07-21 17:13:48,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 17:13:48,633 INFO L390 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 11 treesize of output 9 [2022-07-21 17:13:48,651 INFO L390 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 9 treesize of output 11 [2022-07-21 17:13:48,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-21 17:13:48,734 INFO L390 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 [2022-07-21 17:13:49,035 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:49,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:49,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:49,367 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:49,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:49,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:49,735 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:49,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:49,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:50,115 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-21 17:13:50,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-07-21 17:13:50,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-07-21 17:13:50,347 INFO L390 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 31 treesize of output 13 [2022-07-21 17:13:50,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-07-21 17:13:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 17:13:50,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 17:13:51,069 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_460) c_create_data_~data~0.base) (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv4 32) .cse0 .cse1) (bvadd (_ bv8 32) .cse0 .cse1)))) (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_460) c_create_data_~data~0.base) .cse2) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_461) c_create_data_~data~0.base) .cse2)))))) is different from false [2022-07-21 17:13:51,133 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse1))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_460) c_create_data_~data~0.base) .cse1) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_461) c_create_data_~data~0.base) .cse1)))))) (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4) v_ArrVal_460) c_create_data_~data~0.base) .cse4))) (.cse3 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv4 32) .cse2 .cse3) (bvadd (_ bv8 32) .cse2 .cse3))))) is different from false [2022-07-21 17:13:51,257 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse2) v_ArrVal_460) c_create_data_~data~0.base) .cse2))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv8 32) .cse0 .cse1) (bvadd .cse0 .cse1 (_ bv12 32))))) (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_460) c_create_data_~data~0.base) .cse4) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_461) c_create_data_~data~0.base) .cse4))))))) is different from false [2022-07-21 17:13:51,358 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_458)) (.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select .cse2 c_create_data_~data~0.base) .cse1))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_459) .cse0 v_ArrVal_460) c_create_data_~data~0.base) .cse1) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store .cse2 .cse0 v_ArrVal_461) c_create_data_~data~0.base) .cse1)))))) (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (let ((.cse5 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_459) (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_458) c_create_data_~data~0.base) .cse5) v_ArrVal_460) c_create_data_~data~0.base) .cse5))) (.cse4 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv8 32) .cse3 .cse4) (bvadd .cse3 .cse4 (_ bv12 32)))))) is different from false [2022-07-21 17:13:51,438 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_459) (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_458) c_create_data_~data~0.base) .cse3) v_ArrVal_460)) c_create_data_~data~0.base) .cse3))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv8 32) .cse0 .cse1) (bvadd .cse0 .cse1 (_ bv12 32))))) (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse6))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_458))) (let ((.cse5 (select (select .cse7 c_create_data_~data~0.base) .cse6))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| .cse4 v_ArrVal_459) .cse5 v_ArrVal_460) c_create_data_~data~0.base) .cse6) (bvmul c_create_data_~counter~0 (_ bv4 32)) (_ bv12 32)) (select |c_#length| (select (select (store .cse7 .cse5 v_ArrVal_461) c_create_data_~data~0.base) .cse6))))))))) is different from false [2022-07-21 17:13:51,544 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_459) (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_458) c_create_data_~data~0.base) .cse3) v_ArrVal_460)) c_create_data_~data~0.base) .cse3))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd .cse0 .cse1 (_ bv12 32)) (bvadd (_ bv16 32) .cse0 .cse1)))) (forall ((v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse6))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_458))) (let ((.cse5 (select (select .cse7 c_create_data_~data~0.base) .cse6))) (bvule (bvadd (_ bv16 32) (select (select (store (store |c_#memory_$Pointer$.offset| .cse4 v_ArrVal_459) .cse5 v_ArrVal_460) c_create_data_~data~0.base) .cse6) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse7 .cse5 v_ArrVal_461) c_create_data_~data~0.base) .cse6))))))))) is different from false [2022-07-21 17:13:53,026 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_457)) (.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select .cse4 c_create_data_~data~0.base) .cse2))) (let ((.cse3 (store .cse4 .cse0 v_ArrVal_458))) (let ((.cse1 (select (select .cse3 c_create_data_~data~0.base) .cse2))) (bvule (bvadd (_ bv16 32) (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_456) .cse0 v_ArrVal_459) .cse1 v_ArrVal_460) c_create_data_~data~0.base) .cse2) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse3 .cse1 v_ArrVal_461) c_create_data_~data~0.base) .cse2)))))))) (forall ((v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (let ((.cse9 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_457))) (let ((.cse7 (select (select .cse8 c_create_data_~data~0.base) .cse9))) (store (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_456) .cse7 v_ArrVal_459) (select (select (store .cse8 .cse7 v_ArrVal_458) c_create_data_~data~0.base) .cse9) v_ArrVal_460))) c_create_data_~data~0.base) .cse9))) (.cse6 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd .cse5 .cse6 (_ bv12 32)) (bvadd (_ bv16 32) .cse5 .cse6))))) is different from false [2022-07-21 17:13:55,270 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_457))) (let ((.cse1 (select (select .cse5 c_create_data_~data~0.base) .cse3))) (let ((.cse4 (store .cse5 .cse1 v_ArrVal_458))) (let ((.cse2 (select (select .cse4 c_create_data_~data~0.base) .cse3))) (bvule (bvadd (_ bv16 32) (select (select (store (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_456) .cse1 v_ArrVal_459) .cse2 v_ArrVal_460) c_create_data_~data~0.base) .cse3) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse4 .cse2 v_ArrVal_461) c_create_data_~data~0.base) .cse3)))))))))) (forall ((v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (let ((.cse11 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse8 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse11))) (let ((.cse10 (store |c_#memory_$Pointer$.base| .cse8 v_ArrVal_457))) (let ((.cse9 (select (select .cse10 c_create_data_~data~0.base) .cse11))) (store (store (store |c_#memory_$Pointer$.offset| .cse8 v_ArrVal_456) .cse9 v_ArrVal_459) (select (select (store .cse10 .cse9 v_ArrVal_458) c_create_data_~data~0.base) .cse11) v_ArrVal_460)))) c_create_data_~data~0.base) .cse11))) (.cse7 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd .cse6 .cse7 (_ bv12 32)) (bvadd (_ bv16 32) .cse6 .cse7))))) is different from false [2022-07-21 17:13:55,506 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse5 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse5))) (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_457))) (let ((.cse3 (select (select .cse4 c_create_data_~data~0.base) .cse5))) (store (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_456) .cse3 v_ArrVal_459) (select (select (store .cse4 .cse3 v_ArrVal_458) c_create_data_~data~0.base) .cse5) v_ArrVal_460)))) c_create_data_~data~0.base) .cse5))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv16 32) .cse0 .cse1) (bvadd .cse0 (_ bv20 32) .cse1)))) (forall ((v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse9))) (let ((.cse11 (store |c_#memory_$Pointer$.base| .cse6 v_ArrVal_457))) (let ((.cse7 (select (select .cse11 c_create_data_~data~0.base) .cse9))) (let ((.cse10 (store .cse11 .cse7 v_ArrVal_458))) (let ((.cse8 (select (select .cse10 c_create_data_~data~0.base) .cse9))) (bvule (bvadd (select (select (store (store (store |c_#memory_$Pointer$.offset| .cse6 v_ArrVal_456) .cse7 v_ArrVal_459) .cse8 v_ArrVal_460) c_create_data_~data~0.base) .cse9) (_ bv20 32) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse10 .cse8 v_ArrVal_461) c_create_data_~data~0.base) .cse9))))))))))) is different from false [2022-07-21 17:13:58,234 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_454 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_455 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse5 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_455))) (let ((.cse2 (select (select .cse6 c_create_data_~data~0.base) .cse5))) (let ((.cse4 (store .cse6 .cse2 v_ArrVal_457))) (let ((.cse3 (select (select .cse4 c_create_data_~data~0.base) .cse5))) (store (store (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_454) .cse2 v_ArrVal_456) .cse3 v_ArrVal_459) (select (select (store .cse4 .cse3 v_ArrVal_458) c_create_data_~data~0.base) .cse5) v_ArrVal_460))))) c_create_data_~data~0.base) .cse5))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv16 32) .cse0 .cse1) (bvadd .cse0 (_ bv20 32) .cse1)))) (forall ((v_ArrVal_454 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_455 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_455)) (.cse10 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse7 (select (select .cse13 c_create_data_~data~0.base) .cse10))) (let ((.cse12 (store .cse13 .cse7 v_ArrVal_457))) (let ((.cse8 (select (select .cse12 c_create_data_~data~0.base) .cse10))) (let ((.cse11 (store .cse12 .cse8 v_ArrVal_458))) (let ((.cse9 (select (select .cse11 c_create_data_~data~0.base) .cse10))) (bvule (bvadd (select (select (store (store (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_454) .cse7 v_ArrVal_456) .cse8 v_ArrVal_459) .cse9 v_ArrVal_460) c_create_data_~data~0.base) .cse10) (_ bv20 32) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse11 .cse9 v_ArrVal_461) c_create_data_~data~0.base) .cse10))))))))))) is different from false [2022-07-21 17:14:01,498 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_454 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_455 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse6 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse6))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_455))) (let ((.cse3 (select (select .cse7 c_create_data_~data~0.base) .cse6))) (let ((.cse5 (store .cse7 .cse3 v_ArrVal_457))) (let ((.cse4 (select (select .cse5 c_create_data_~data~0.base) .cse6))) (store (store (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_454) .cse3 v_ArrVal_456) .cse4 v_ArrVal_459) (select (select (store .cse5 .cse4 v_ArrVal_458) c_create_data_~data~0.base) .cse6) v_ArrVal_460)))))) c_create_data_~data~0.base) .cse6))) (.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32)))) (bvule (bvadd (_ bv16 32) .cse0 .cse1) (bvadd .cse0 (_ bv20 32) .cse1)))) (forall ((v_ArrVal_454 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_455 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse12 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse8 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse12))) (let ((.cse15 (store |c_#memory_$Pointer$.base| .cse8 v_ArrVal_455))) (let ((.cse9 (select (select .cse15 c_create_data_~data~0.base) .cse12))) (let ((.cse14 (store .cse15 .cse9 v_ArrVal_457))) (let ((.cse10 (select (select .cse14 c_create_data_~data~0.base) .cse12))) (let ((.cse13 (store .cse14 .cse10 v_ArrVal_458))) (let ((.cse11 (select (select .cse13 c_create_data_~data~0.base) .cse12))) (bvule (bvadd (select (select (store (store (store (store |c_#memory_$Pointer$.offset| .cse8 v_ArrVal_454) .cse9 v_ArrVal_456) .cse10 v_ArrVal_459) .cse11 v_ArrVal_460) c_create_data_~data~0.base) .cse12) (_ bv20 32) (bvmul c_create_data_~counter~0 (_ bv4 32))) (select |c_#length| (select (select (store .cse13 .cse11 v_ArrVal_461) c_create_data_~data~0.base) .cse12))))))))))))) is different from false [2022-07-21 17:14:02,246 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_454 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_455 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_461 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_455))) (let ((.cse1 (select (select .cse7 c_create_data_~data~0.base) .cse4))) (let ((.cse6 (store .cse7 .cse1 v_ArrVal_457))) (let ((.cse2 (select (select .cse6 c_create_data_~data~0.base) .cse4))) (let ((.cse5 (store .cse6 .cse2 v_ArrVal_458))) (let ((.cse3 (select (select .cse5 c_create_data_~data~0.base) .cse4))) (bvule (bvadd (select (select (store (store (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_454) .cse1 v_ArrVal_456) .cse2 v_ArrVal_459) .cse3 v_ArrVal_460) c_create_data_~data~0.base) .cse4) (_ bv20 32)) (select |c_#length| (select (select (store .cse5 .cse3 v_ArrVal_461) c_create_data_~data~0.base) .cse4)))))))))))) (forall ((v_ArrVal_454 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_455 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_456 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_460 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_457 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_459 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (let ((.cse13 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (let ((.cse9 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse13))) (let ((.cse14 (store |c_#memory_$Pointer$.base| .cse9 v_ArrVal_455))) (let ((.cse10 (select (select .cse14 c_create_data_~data~0.base) .cse13))) (let ((.cse12 (store .cse14 .cse10 v_ArrVal_457))) (let ((.cse11 (select (select .cse12 c_create_data_~data~0.base) .cse13))) (store (store (store (store |c_#memory_$Pointer$.offset| .cse9 v_ArrVal_454) .cse10 v_ArrVal_456) .cse11 v_ArrVal_459) (select (select (store .cse12 .cse11 v_ArrVal_458) c_create_data_~data~0.base) .cse13) v_ArrVal_460)))))) c_create_data_~data~0.base) .cse13)))) (bvule (bvadd (_ bv16 32) .cse8) (bvadd .cse8 (_ bv20 32)))))) is different from false [2022-07-21 17:14:02,470 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:14:02,471 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 353 treesize of output 354 [2022-07-21 17:14:02,618 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 17:14:02,618 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 343 treesize of output 204 [2022-07-21 17:14:02,720 INFO L390 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 177384 treesize of output 149466 [2022-07-21 17:14:04,969 INFO L390 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 4628326 treesize of output 4549600 [2022-07-21 17:14:13,802 WARN L233 SmtUtils]: Spent 8.83s on a formula simplification that was a NOOP. DAG size: 4913 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:14:22,629 WARN L233 SmtUtils]: Spent 8.81s on a formula simplification that was a NOOP. DAG size: 4910 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:14:22,821 INFO L390 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 4549596 treesize of output 4221532 [2022-07-21 17:14:31,546 WARN L233 SmtUtils]: Spent 8.72s on a formula simplification that was a NOOP. DAG size: 4909 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:14:31,744 INFO L390 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 4221532 treesize of output 3893468 [2022-07-21 17:14:40,515 WARN L233 SmtUtils]: Spent 8.77s on a formula simplification that was a NOOP. DAG size: 4908 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:14:40,696 INFO L390 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 3893468 treesize of output 3810012 [2022-07-21 17:14:49,384 WARN L233 SmtUtils]: Spent 8.68s on a formula simplification that was a NOOP. DAG size: 4907 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:14:49,557 INFO L390 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 3810012 treesize of output 3434716 [2022-07-21 17:14:58,248 WARN L233 SmtUtils]: Spent 8.69s on a formula simplification that was a NOOP. DAG size: 4906 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:14:58,422 INFO L390 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 3434716 treesize of output 3280860 [2022-07-21 17:15:07,166 WARN L233 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 4905 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:15:07,343 INFO L390 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 3280860 treesize of output 3242588 [2022-07-21 17:15:16,137 WARN L233 SmtUtils]: Spent 8.79s on a formula simplification that was a NOOP. DAG size: 4904 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:15:16,307 INFO L390 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 3242588 treesize of output 2987948 [2022-07-21 17:15:25,077 WARN L233 SmtUtils]: Spent 8.77s on a formula simplification that was a NOOP. DAG size: 4903 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:15:25,254 INFO L390 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 2987948 treesize of output 2806124 [2022-07-21 17:15:34,116 WARN L233 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 4899 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:16:04,995 WARN L233 SmtUtils]: Spent 30.53s on a formula simplification. DAG size of input: 4901 DAG size of output: 4901 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:17:14,598 WARN L233 SmtUtils]: Spent 48.05s on a formula simplification. DAG size of input: 4901 DAG size of output: 4901 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-21 17:17:48,088 WARN L233 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 2960 DAG size of output: 2960 (called from [L 927] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)