./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0 --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 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:09:31,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:09:31,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:09:31,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:09:31,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:09:31,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:09:31,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:09:31,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:09:31,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:09:31,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:09:31,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:09:31,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:09:31,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:09:31,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:09:31,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:09:31,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:09:31,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:09:31,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:09:31,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:09:31,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:09:31,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:09:31,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:09:31,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:09:31,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:09:31,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:09:31,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:09:31,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:09:31,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:09:31,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:09:31,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:09:31,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:09:31,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:09:31,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:09:31,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:09:31,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:09:31,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:09:31,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:09:31,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:09:31,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:09:31,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:09:31,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:09:31,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-22 15:09:31,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:09:31,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:09:31,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:09:31,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:09:31,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:09:31,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:09:31,459 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:09:31,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:09:31,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:09:31,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:09:31,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:09:31,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:09:31,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:09:31,462 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 15:09:31,462 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 15:09:31,463 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 15:09:31,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:09:31,464 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:09:31,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:09:31,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:09:31,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:09:31,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:09:31,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:09:31,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:09:31,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:09:31,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:09:31,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:09:31,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:09:31,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:09:31,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 [2021-11-22 15:09:31,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:09:31,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:09:31,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:09:31,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:09:31,790 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:09:31,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2021-11-22 15:09:31,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data/1ae3334f3/aa199b4cd63a4a8cb8edc10d1ee5984d/FLAG13b427756 [2021-11-22 15:09:32,591 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:09:32,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2021-11-22 15:09:32,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data/1ae3334f3/aa199b4cd63a4a8cb8edc10d1ee5984d/FLAG13b427756 [2021-11-22 15:09:32,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data/1ae3334f3/aa199b4cd63a4a8cb8edc10d1ee5984d [2021-11-22 15:09:32,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:09:32,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:09:32,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:09:32,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:09:32,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:09:32,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:32" (1/1) ... [2021-11-22 15:09:32,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ab4cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:32, skipping insertion in model container [2021-11-22 15:09:32,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:32" (1/1) ... [2021-11-22 15:09:32,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:09:32,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:09:33,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2021-11-22 15:09:33,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2021-11-22 15:09:33,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:09:33,749 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-22 15:09:33,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:33, skipping insertion in model container [2021-11-22 15:09:33,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:09:33,750 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 15:09:33,753 INFO L158 Benchmark]: Toolchain (without parser) took 964.02ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.9MB in the beginning and 70.0MB in the end (delta: -22.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-11-22 15:09:33,755 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:09:33,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.54ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.7MB in the beginning and 70.0MB in the end (delta: -22.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-11-22 15:09:33,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.54ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.7MB in the beginning and 70.0MB in the end (delta: -22.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 815]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0 --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 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:09:36,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:09:36,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:09:36,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:09:36,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:09:36,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:09:36,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:09:36,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:09:36,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:09:36,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:09:36,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:09:36,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:09:36,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:09:36,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:09:36,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:09:36,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:09:36,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:09:36,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:09:36,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:09:36,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:09:36,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:09:36,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:09:36,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:09:36,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:09:36,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:09:36,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:09:36,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:09:36,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:09:36,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:09:36,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:09:36,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:09:36,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:09:36,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:09:36,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:09:36,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:09:36,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:09:36,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:09:36,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:09:36,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:09:36,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:09:36,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:09:36,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-22 15:09:36,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:09:36,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:09:36,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:09:36,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:09:36,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:09:36,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:09:36,799 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:09:36,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:09:36,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:09:36,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:09:36,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:09:36,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:09:36,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:09:36,802 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 15:09:36,803 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 15:09:36,803 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 15:09:36,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:09:36,804 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:09:36,804 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 15:09:36,804 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 15:09:36,804 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:09:36,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:09:36,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:09:36,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:09:36,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:09:36,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:09:36,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:09:36,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:09:36,807 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 15:09:36,807 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 15:09:36,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:09:36,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 15:09:36,808 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 [2021-11-22 15:09:37,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:09:37,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:09:37,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:09:37,298 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:09:37,299 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:09:37,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2021-11-22 15:09:37,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data/82949a135/1f3822be9c0442b08877c8400b3d49d8/FLAG209129a44 [2021-11-22 15:09:38,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:09:38,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2021-11-22 15:09:38,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data/82949a135/1f3822be9c0442b08877c8400b3d49d8/FLAG209129a44 [2021-11-22 15:09:38,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/data/82949a135/1f3822be9c0442b08877c8400b3d49d8 [2021-11-22 15:09:38,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:09:38,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:09:38,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:09:38,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:09:38,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:09:38,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:38" (1/1) ... [2021-11-22 15:09:38,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f914ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:38, skipping insertion in model container [2021-11-22 15:09:38,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:38" (1/1) ... [2021-11-22 15:09:38,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:09:38,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:09:39,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2021-11-22 15:09:39,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2021-11-22 15:09:39,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:09:39,531 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 15:09:39,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:09:39,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2021-11-22 15:09:39,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2021-11-22 15:09:39,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:09:39,752 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:09:39,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[37019,37032] [2021-11-22 15:09:39,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i[47352,47365] [2021-11-22 15:09:39,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:09:39,973 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:09:39,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39 WrapperNode [2021-11-22 15:09:39,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:09:39,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:09:39,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:09:39,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:09:39,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,144 INFO L137 Inliner]: procedures = 211, calls = 286, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1084 [2021-11-22 15:09:40,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:09:40,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:09:40,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:09:40,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:09:40,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:09:40,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:09:40,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:09:40,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:09:40,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (1/1) ... [2021-11-22 15:09:40,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:09:40,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:09:40,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:09:40,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:09:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-22 15:09:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 15:09:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:09:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 15:09:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:09:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:09:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 15:09:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 15:09:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:09:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:09:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:09:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:09:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:09:40,797 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:09:40,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:09:47,475 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:09:47,493 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:09:47,498 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-22 15:09:47,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:09:47 BoogieIcfgContainer [2021-11-22 15:09:47,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:09:47,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:09:47,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:09:47,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:09:47,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:09:38" (1/3) ... [2021-11-22 15:09:47,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c8870b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:09:47, skipping insertion in model container [2021-11-22 15:09:47,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:39" (2/3) ... [2021-11-22 15:09:47,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c8870b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:09:47, skipping insertion in model container [2021-11-22 15:09:47,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:09:47" (3/3) ... [2021-11-22 15:09:47,517 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-2.i [2021-11-22 15:09:47,524 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:09:47,524 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 540 error locations. [2021-11-22 15:09:47,597 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:09:47,610 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:09:47,611 INFO L340 AbstractCegarLoop]: Starting to check reachability of 540 error locations. [2021-11-22 15:09:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 1094 states, 553 states have (on average 2.2242314647377937) internal successors, (1230), 1093 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:09:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 15:09:47,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:09:47,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-22 15:09:47,676 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:09:47,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:09:47,710 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-11-22 15:09:47,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:09:47,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158814495] [2021-11-22 15:09:47,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:09:47,727 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:09:47,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:09:47,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:09:47,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 15:09:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:09:47,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:09:47,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:09:48,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:09:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:48,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:09:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:48,161 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:09:48,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158814495] [2021-11-22 15:09:48,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158814495] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:09:48,163 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:09:48,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 15:09:48,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688225929] [2021-11-22 15:09:48,177 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:09:48,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:09:48,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:09:48,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:09:48,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:09:48,236 INFO L87 Difference]: Start difference. First operand has 1094 states, 553 states have (on average 2.2242314647377937) internal successors, (1230), 1093 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:09:51,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:09:51,188 INFO L93 Difference]: Finished difference Result 1258 states and 1330 transitions. [2021-11-22 15:09:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:09:51,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-22 15:09:51,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:09:51,247 INFO L225 Difference]: With dead ends: 1258 [2021-11-22 15:09:51,248 INFO L226 Difference]: Without dead ends: 1256 [2021-11-22 15:09:51,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:09:51,258 INFO L933 BasicCegarLoop]: 659 mSDtfsCounter, 1030 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:09:51,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1030 Valid, 799 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-22 15:09:51,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2021-11-22 15:09:51,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1078. [2021-11-22 15:09:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 553 states have (on average 2.065099457504521) internal successors, (1142), 1077 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:09:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1142 transitions. [2021-11-22 15:09:51,429 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1142 transitions. Word has length 3 [2021-11-22 15:09:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:09:51,429 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1142 transitions. [2021-11-22 15:09:51,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:09:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1142 transitions. [2021-11-22 15:09:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 15:09:51,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:09:51,430 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-22 15:09:51,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:09:51,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:09:51,645 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:09:51,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:09:51,647 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-22 15:09:51,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:09:51,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031020946] [2021-11-22 15:09:51,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:09:51,648 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:09:51,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:09:51,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:09:51,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 15:09:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:09:51,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:09:51,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:09:51,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:09:51,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:51,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:09:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:51,932 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:09:51,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031020946] [2021-11-22 15:09:51,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2031020946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:09:51,933 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:09:51,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-22 15:09:51,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57314849] [2021-11-22 15:09:51,934 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:09:51,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:09:51,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:09:51,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:09:51,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:09:51,937 INFO L87 Difference]: Start difference. First operand 1078 states and 1142 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:09:57,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:09:57,917 INFO L93 Difference]: Finished difference Result 1586 states and 1690 transitions. [2021-11-22 15:09:57,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:09:57,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-22 15:09:57,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:09:57,928 INFO L225 Difference]: With dead ends: 1586 [2021-11-22 15:09:57,928 INFO L226 Difference]: Without dead ends: 1586 [2021-11-22 15:09:57,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:09:57,931 INFO L933 BasicCegarLoop]: 805 mSDtfsCounter, 1227 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:09:57,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1227 Valid, 1628 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-11-22 15:09:57,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2021-11-22 15:09:57,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1113. [2021-11-22 15:09:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 597 states have (on average 2.0452261306532664) internal successors, (1221), 1112 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:09:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1221 transitions. [2021-11-22 15:09:57,979 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1221 transitions. Word has length 3 [2021-11-22 15:09:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:09:57,979 INFO L470 AbstractCegarLoop]: Abstraction has 1113 states and 1221 transitions. [2021-11-22 15:09:57,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:09:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1221 transitions. [2021-11-22 15:09:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 15:09:57,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:09:57,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:09:57,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-22 15:09:58,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:09:58,194 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:09:58,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:09:58,195 INFO L85 PathProgramCache]: Analyzing trace with hash 62249618, now seen corresponding path program 1 times [2021-11-22 15:09:58,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:09:58,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020626500] [2021-11-22 15:09:58,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:09:58,197 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:09:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:09:58,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:09:58,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 15:09:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:09:58,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:09:58,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:09:58,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:09:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:58,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:09:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:09:58,427 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:09:58,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020626500] [2021-11-22 15:09:58,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1020626500] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:09:58,429 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:09:58,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 15:09:58,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147293527] [2021-11-22 15:09:58,430 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:09:58,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:09:58,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:09:58,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:09:58,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:09:58,435 INFO L87 Difference]: Start difference. First operand 1113 states and 1221 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:00,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:00,843 INFO L93 Difference]: Finished difference Result 1305 states and 1435 transitions. [2021-11-22 15:10:00,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:10:00,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-22 15:10:00,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:00,852 INFO L225 Difference]: With dead ends: 1305 [2021-11-22 15:10:00,853 INFO L226 Difference]: Without dead ends: 1305 [2021-11-22 15:10:00,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:00,855 INFO L933 BasicCegarLoop]: 921 mSDtfsCounter, 851 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:00,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [851 Valid, 1200 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-22 15:10:00,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2021-11-22 15:10:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1066. [2021-11-22 15:10:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 597 states have (on average 1.9614740368509214) internal successors, (1171), 1065 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1171 transitions. [2021-11-22 15:10:00,891 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1171 transitions. Word has length 8 [2021-11-22 15:10:00,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:00,891 INFO L470 AbstractCegarLoop]: Abstraction has 1066 states and 1171 transitions. [2021-11-22 15:10:00,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1171 transitions. [2021-11-22 15:10:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 15:10:00,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:00,893 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:00,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:01,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:01,120 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:01,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:01,120 INFO L85 PathProgramCache]: Analyzing trace with hash 62249619, now seen corresponding path program 1 times [2021-11-22 15:10:01,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:01,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961127344] [2021-11-22 15:10:01,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:01,122 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:01,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:01,123 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:01,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 15:10:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:01,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:10:01,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:01,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:10:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:01,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:01,468 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:01,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961127344] [2021-11-22 15:10:01,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961127344] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:01,469 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:01,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-22 15:10:01,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797336786] [2021-11-22 15:10:01,470 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:01,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:10:01,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:01,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:10:01,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:01,472 INFO L87 Difference]: Start difference. First operand 1066 states and 1171 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:06,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:06,619 INFO L93 Difference]: Finished difference Result 1335 states and 1429 transitions. [2021-11-22 15:10:06,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:10:06,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-22 15:10:06,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:06,627 INFO L225 Difference]: With dead ends: 1335 [2021-11-22 15:10:06,628 INFO L226 Difference]: Without dead ends: 1335 [2021-11-22 15:10:06,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:06,629 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 1087 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:06,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1087 Valid, 1537 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-11-22 15:10:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-11-22 15:10:06,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1056. [2021-11-22 15:10:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 597 states have (on average 1.9396984924623115) internal successors, (1158), 1055 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1158 transitions. [2021-11-22 15:10:06,665 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1158 transitions. Word has length 8 [2021-11-22 15:10:06,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:06,666 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1158 transitions. [2021-11-22 15:10:06,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1158 transitions. [2021-11-22 15:10:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 15:10:06,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:06,668 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:06,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:06,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:06,901 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr434REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:06,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:06,901 INFO L85 PathProgramCache]: Analyzing trace with hash -945751174, now seen corresponding path program 1 times [2021-11-22 15:10:06,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:06,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638826945] [2021-11-22 15:10:06,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:06,902 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:06,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:06,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:06,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-22 15:10:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:07,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:10:07,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:07,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:07,273 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:07,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638826945] [2021-11-22 15:10:07,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [638826945] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:07,273 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:07,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 15:10:07,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113109517] [2021-11-22 15:10:07,273 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:07,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:10:07,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:10:07,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:07,275 INFO L87 Difference]: Start difference. First operand 1056 states and 1158 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:07,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:07,677 INFO L93 Difference]: Finished difference Result 1544 states and 1685 transitions. [2021-11-22 15:10:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:10:07,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-22 15:10:07,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:07,690 INFO L225 Difference]: With dead ends: 1544 [2021-11-22 15:10:07,690 INFO L226 Difference]: Without dead ends: 1544 [2021-11-22 15:10:07,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:10:07,692 INFO L933 BasicCegarLoop]: 1137 mSDtfsCounter, 600 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:07,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [600 Valid, 2047 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 15:10:07,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2021-11-22 15:10:07,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1241. [2021-11-22 15:10:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 782 states have (on average 1.8861892583120206) internal successors, (1475), 1240 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1475 transitions. [2021-11-22 15:10:07,733 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1475 transitions. Word has length 11 [2021-11-22 15:10:07,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:07,733 INFO L470 AbstractCegarLoop]: Abstraction has 1241 states and 1475 transitions. [2021-11-22 15:10:07,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1475 transitions. [2021-11-22 15:10:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 15:10:07,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:07,735 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:07,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:07,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:07,950 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr340REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:07,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:07,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1258779124, now seen corresponding path program 1 times [2021-11-22 15:10:07,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:07,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251041284] [2021-11-22 15:10:07,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:07,951 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:07,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:07,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:07,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-22 15:10:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:08,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:10:08,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:08,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:08,160 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:08,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251041284] [2021-11-22 15:10:08,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251041284] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:08,161 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:08,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 15:10:08,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944925340] [2021-11-22 15:10:08,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:08,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:10:08,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:08,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:10:08,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:08,164 INFO L87 Difference]: Start difference. First operand 1241 states and 1475 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:08,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:08,211 INFO L93 Difference]: Finished difference Result 1395 states and 1615 transitions. [2021-11-22 15:10:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:10:08,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-22 15:10:08,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:08,222 INFO L225 Difference]: With dead ends: 1395 [2021-11-22 15:10:08,222 INFO L226 Difference]: Without dead ends: 1395 [2021-11-22 15:10:08,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:08,223 INFO L933 BasicCegarLoop]: 1233 mSDtfsCounter, 424 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 2869 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:08,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 2869 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:10:08,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2021-11-22 15:10:08,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1181. [2021-11-22 15:10:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 746 states have (on average 1.8619302949061662) internal successors, (1389), 1180 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1389 transitions. [2021-11-22 15:10:08,261 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1389 transitions. Word has length 13 [2021-11-22 15:10:08,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:08,262 INFO L470 AbstractCegarLoop]: Abstraction has 1181 states and 1389 transitions. [2021-11-22 15:10:08,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1389 transitions. [2021-11-22 15:10:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 15:10:08,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:08,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:08,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:08,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:08,479 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr539ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:08,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:08,480 INFO L85 PathProgramCache]: Analyzing trace with hash 119428585, now seen corresponding path program 1 times [2021-11-22 15:10:08,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:08,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597307254] [2021-11-22 15:10:08,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:08,481 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:08,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:08,483 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:08,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-22 15:10:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:08,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:10:08,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:08,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:08,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:08,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:10:08,834 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-22 15:10:08,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 36 [2021-11-22 15:10:08,925 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-22 15:10:08,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 23 [2021-11-22 15:10:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:08,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:09,054 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:09,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597307254] [2021-11-22 15:10:09,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597307254] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:09,055 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:09,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-22 15:10:09,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196243975] [2021-11-22 15:10:09,056 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:09,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:10:09,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:09,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:10:09,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:10:09,057 INFO L87 Difference]: Start difference. First operand 1181 states and 1389 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:10,748 INFO L93 Difference]: Finished difference Result 1538 states and 1792 transitions. [2021-11-22 15:10:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:10:10,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 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 14 [2021-11-22 15:10:10,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:10,759 INFO L225 Difference]: With dead ends: 1538 [2021-11-22 15:10:10,759 INFO L226 Difference]: Without dead ends: 1538 [2021-11-22 15:10:10,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:10:10,761 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 724 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 2859 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:10,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [724 Valid, 2859 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 15:10:10,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2021-11-22 15:10:10,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1180. [2021-11-22 15:10:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 745 states have (on average 1.861744966442953) internal successors, (1387), 1179 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1387 transitions. [2021-11-22 15:10:10,799 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1387 transitions. Word has length 14 [2021-11-22 15:10:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:10,799 INFO L470 AbstractCegarLoop]: Abstraction has 1180 states and 1387 transitions. [2021-11-22 15:10:10,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1387 transitions. [2021-11-22 15:10:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 15:10:10,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:10,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:10,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:11,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:11,031 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:11,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:11,031 INFO L85 PathProgramCache]: Analyzing trace with hash -520774338, now seen corresponding path program 1 times [2021-11-22 15:10:11,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:11,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167874414] [2021-11-22 15:10:11,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:11,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:11,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:11,034 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:11,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-22 15:10:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:11,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:10:11,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:11,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:11,354 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:11,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167874414] [2021-11-22 15:10:11,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167874414] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:11,355 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:11,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 15:10:11,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136083834] [2021-11-22 15:10:11,356 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:11,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:10:11,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:11,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:10:11,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:11,357 INFO L87 Difference]: Start difference. First operand 1180 states and 1387 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:11,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:11,399 INFO L93 Difference]: Finished difference Result 1120 states and 1301 transitions. [2021-11-22 15:10:11,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:10:11,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-22 15:10:11,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:11,408 INFO L225 Difference]: With dead ends: 1120 [2021-11-22 15:10:11,408 INFO L226 Difference]: Without dead ends: 1120 [2021-11-22 15:10:11,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:11,410 INFO L933 BasicCegarLoop]: 985 mSDtfsCounter, 980 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:11,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [980 Valid, 1013 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:10:11,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2021-11-22 15:10:11,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2021-11-22 15:10:11,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 709 states have (on average 1.834978843441467) internal successors, (1301), 1119 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1301 transitions. [2021-11-22 15:10:11,439 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1301 transitions. Word has length 18 [2021-11-22 15:10:11,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:11,440 INFO L470 AbstractCegarLoop]: Abstraction has 1120 states and 1301 transitions. [2021-11-22 15:10:11,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1301 transitions. [2021-11-22 15:10:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 15:10:11,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:11,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:11,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:11,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:11,665 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:11,665 INFO L85 PathProgramCache]: Analyzing trace with hash 2047030904, now seen corresponding path program 1 times [2021-11-22 15:10:11,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:11,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275419451] [2021-11-22 15:10:11,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:11,666 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:11,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:11,667 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:11,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-22 15:10:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:11,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:10:11,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:11,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:11,957 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:11,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275419451] [2021-11-22 15:10:11,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275419451] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:11,958 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:11,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-22 15:10:11,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471050234] [2021-11-22 15:10:11,958 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:11,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:10:11,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:11,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:10:11,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:10:11,959 INFO L87 Difference]: Start difference. First operand 1120 states and 1301 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:12,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:12,067 INFO L93 Difference]: Finished difference Result 1092 states and 1245 transitions. [2021-11-22 15:10:12,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:10:12,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-22 15:10:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:12,075 INFO L225 Difference]: With dead ends: 1092 [2021-11-22 15:10:12,075 INFO L226 Difference]: Without dead ends: 1092 [2021-11-22 15:10:12,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:10:12,077 INFO L933 BasicCegarLoop]: 940 mSDtfsCounter, 1892 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:12,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1892 Valid, 1887 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:10:12,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2021-11-22 15:10:12,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1090. [2021-11-22 15:10:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 693 states have (on average 1.7936507936507937) internal successors, (1243), 1089 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1243 transitions. [2021-11-22 15:10:12,105 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1243 transitions. Word has length 20 [2021-11-22 15:10:12,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:12,106 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 1243 transitions. [2021-11-22 15:10:12,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1243 transitions. [2021-11-22 15:10:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 15:10:12,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:12,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:12,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:12,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:12,324 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:12,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:12,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1406589690, now seen corresponding path program 1 times [2021-11-22 15:10:12,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:12,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193894988] [2021-11-22 15:10:12,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:12,325 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:12,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:12,327 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:12,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-22 15:10:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:12,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:10:12,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:12,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:10:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:12,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:12,865 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:12,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193894988] [2021-11-22 15:10:12,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193894988] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:12,866 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:12,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 15:10:12,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750975849] [2021-11-22 15:10:12,866 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:12,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:10:12,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:12,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:10:12,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:12,868 INFO L87 Difference]: Start difference. First operand 1090 states and 1243 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:15,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:15,447 INFO L93 Difference]: Finished difference Result 1563 states and 1795 transitions. [2021-11-22 15:10:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:10:15,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 15:10:15,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:15,455 INFO L225 Difference]: With dead ends: 1563 [2021-11-22 15:10:15,455 INFO L226 Difference]: Without dead ends: 1563 [2021-11-22 15:10:15,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:10:15,456 INFO L933 BasicCegarLoop]: 513 mSDtfsCounter, 1537 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:15,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 1072 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-22 15:10:15,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2021-11-22 15:10:15,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1086. [2021-11-22 15:10:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 693 states have (on average 1.7821067821067822) internal successors, (1235), 1085 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1235 transitions. [2021-11-22 15:10:15,485 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1235 transitions. Word has length 34 [2021-11-22 15:10:15,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:15,486 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1235 transitions. [2021-11-22 15:10:15,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1235 transitions. [2021-11-22 15:10:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 15:10:15,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:15,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:15,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:15,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:15,704 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:15,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:15,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1406589689, now seen corresponding path program 1 times [2021-11-22 15:10:15,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:15,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902389407] [2021-11-22 15:10:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:15,706 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:15,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:15,707 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:15,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-22 15:10:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:15,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:10:15,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:15,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:10:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:16,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:16,896 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:16,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902389407] [2021-11-22 15:10:16,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902389407] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:16,896 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:16,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-22 15:10:16,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034424277] [2021-11-22 15:10:16,897 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:16,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:10:16,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:16,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:10:16,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:10:16,899 INFO L87 Difference]: Start difference. First operand 1086 states and 1235 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:26,008 INFO L93 Difference]: Finished difference Result 1617 states and 1812 transitions. [2021-11-22 15:10:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 15:10:26,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 15:10:26,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:26,021 INFO L225 Difference]: With dead ends: 1617 [2021-11-22 15:10:26,021 INFO L226 Difference]: Without dead ends: 1617 [2021-11-22 15:10:26,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:10:26,022 INFO L933 BasicCegarLoop]: 1186 mSDtfsCounter, 1447 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 2604 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:26,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1447 Valid, 2604 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-11-22 15:10:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2021-11-22 15:10:26,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1082. [2021-11-22 15:10:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 693 states have (on average 1.7705627705627707) internal successors, (1227), 1081 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1227 transitions. [2021-11-22 15:10:26,052 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1227 transitions. Word has length 34 [2021-11-22 15:10:26,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:26,053 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1227 transitions. [2021-11-22 15:10:26,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:26,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1227 transitions. [2021-11-22 15:10:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 15:10:26,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:26,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:26,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:26,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:26,271 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:26,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:26,271 INFO L85 PathProgramCache]: Analyzing trace with hash -489765179, now seen corresponding path program 1 times [2021-11-22 15:10:26,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:26,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470802070] [2021-11-22 15:10:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:26,273 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:26,275 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:26,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-22 15:10:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:26,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:10:26,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:26,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:26,810 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:26,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470802070] [2021-11-22 15:10:26,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1470802070] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:26,810 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:26,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-22 15:10:26,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423394438] [2021-11-22 15:10:26,811 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:26,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:10:26,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:26,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:10:26,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:10:26,812 INFO L87 Difference]: Start difference. First operand 1082 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:26,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:26,886 INFO L93 Difference]: Finished difference Result 1070 states and 1207 transitions. [2021-11-22 15:10:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:10:26,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-22 15:10:26,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:26,894 INFO L225 Difference]: With dead ends: 1070 [2021-11-22 15:10:26,894 INFO L226 Difference]: Without dead ends: 1070 [2021-11-22 15:10:26,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:10:26,896 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 927 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:26,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [927 Valid, 1865 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:10:26,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-11-22 15:10:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2021-11-22 15:10:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 681 states have (on average 1.7723935389133627) internal successors, (1207), 1069 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1207 transitions. [2021-11-22 15:10:26,937 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1207 transitions. Word has length 52 [2021-11-22 15:10:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:26,938 INFO L470 AbstractCegarLoop]: Abstraction has 1070 states and 1207 transitions. [2021-11-22 15:10:26,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:26,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1207 transitions. [2021-11-22 15:10:26,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 15:10:26,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:26,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:26,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:27,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:27,155 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:27,156 INFO L85 PathProgramCache]: Analyzing trace with hash -531678063, now seen corresponding path program 1 times [2021-11-22 15:10:27,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:27,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772867540] [2021-11-22 15:10:27,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:27,157 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:27,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:27,158 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:27,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-22 15:10:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:27,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 15:10:27,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:27,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:10:27,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:10:28,440 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 15:10:28,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-22 15:10:28,467 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:10:28,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2021-11-22 15:10:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:28,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:33,973 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:33,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772867540] [2021-11-22 15:10:33,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772867540] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:33,973 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:33,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-22 15:10:33,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319886581] [2021-11-22 15:10:33,974 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:33,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:10:33,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:33,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:10:33,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-22 15:10:33,976 INFO L87 Difference]: Start difference. First operand 1070 states and 1207 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:35,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:35,175 INFO L93 Difference]: Finished difference Result 1384 states and 1561 transitions. [2021-11-22 15:10:35,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:10:35,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-22 15:10:35,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:35,185 INFO L225 Difference]: With dead ends: 1384 [2021-11-22 15:10:35,185 INFO L226 Difference]: Without dead ends: 1384 [2021-11-22 15:10:35,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-22 15:10:35,186 INFO L933 BasicCegarLoop]: 1030 mSDtfsCounter, 709 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 783 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:35,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [709 Valid, 1746 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 783 Unchecked, 1.1s Time] [2021-11-22 15:10:35,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2021-11-22 15:10:35,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1069. [2021-11-22 15:10:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 681 states have (on average 1.7709251101321586) internal successors, (1206), 1068 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1206 transitions. [2021-11-22 15:10:35,213 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1206 transitions. Word has length 60 [2021-11-22 15:10:35,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:35,213 INFO L470 AbstractCegarLoop]: Abstraction has 1069 states and 1206 transitions. [2021-11-22 15:10:35,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1206 transitions. [2021-11-22 15:10:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:10:35,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:35,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:35,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:35,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:35,441 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:35,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:35,442 INFO L85 PathProgramCache]: Analyzing trace with hash 158497042, now seen corresponding path program 1 times [2021-11-22 15:10:35,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:35,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377665464] [2021-11-22 15:10:35,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:35,444 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:35,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:35,445 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:35,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-22 15:10:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:35,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:10:35,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:35,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:36,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-11-22 15:10:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:36,341 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:36,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377665464] [2021-11-22 15:10:36,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377665464] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:36,342 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:36,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-22 15:10:36,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082475331] [2021-11-22 15:10:36,343 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:36,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:10:36,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:36,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:10:36,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:10:36,345 INFO L87 Difference]: Start difference. First operand 1069 states and 1206 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:39,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:39,415 INFO L93 Difference]: Finished difference Result 1036 states and 1173 transitions. [2021-11-22 15:10:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:10:39,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-22 15:10:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:39,421 INFO L225 Difference]: With dead ends: 1036 [2021-11-22 15:10:39,421 INFO L226 Difference]: Without dead ends: 1036 [2021-11-22 15:10:39,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:10:39,422 INFO L933 BasicCegarLoop]: 602 mSDtfsCounter, 687 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:39,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 1226 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-22 15:10:39,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2021-11-22 15:10:39,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1036. [2021-11-22 15:10:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 681 states have (on average 1.722466960352423) internal successors, (1173), 1035 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:39,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1173 transitions. [2021-11-22 15:10:39,445 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1173 transitions. Word has length 62 [2021-11-22 15:10:39,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:39,446 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 1173 transitions. [2021-11-22 15:10:39,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1173 transitions. [2021-11-22 15:10:39,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 15:10:39,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:39,448 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:39,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-22 15:10:39,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:39,661 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:39,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:39,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1426362414, now seen corresponding path program 1 times [2021-11-22 15:10:39,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:39,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986125089] [2021-11-22 15:10:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:39,664 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:39,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:39,665 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:39,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-22 15:10:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:39,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:10:39,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:40,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:10:40,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-11-22 15:10:40,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-22 15:10:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:40,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:40,348 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:40,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986125089] [2021-11-22 15:10:40,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986125089] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:40,349 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:40,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-22 15:10:40,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885373805] [2021-11-22 15:10:40,349 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:40,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:10:40,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:40,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:10:40,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:10:40,351 INFO L87 Difference]: Start difference. First operand 1036 states and 1173 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:46,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:10:46,020 INFO L93 Difference]: Finished difference Result 1708 states and 1933 transitions. [2021-11-22 15:10:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 15:10:46,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-22 15:10:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:10:46,029 INFO L225 Difference]: With dead ends: 1708 [2021-11-22 15:10:46,030 INFO L226 Difference]: Without dead ends: 1708 [2021-11-22 15:10:46,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 122 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-22 15:10:46,031 INFO L933 BasicCegarLoop]: 594 mSDtfsCounter, 833 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 2532 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:10:46,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [833 Valid, 2532 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-22 15:10:46,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2021-11-22 15:10:46,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1035. [2021-11-22 15:10:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 681 states have (on average 1.7209985315712188) internal successors, (1172), 1034 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1172 transitions. [2021-11-22 15:10:46,058 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1172 transitions. Word has length 66 [2021-11-22 15:10:46,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:10:46,059 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1172 transitions. [2021-11-22 15:10:46,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:10:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1172 transitions. [2021-11-22 15:10:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 15:10:46,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:10:46,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:10:46,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-22 15:10:46,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:10:46,282 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:10:46,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:10:46,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1267561538, now seen corresponding path program 1 times [2021-11-22 15:10:46,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:10:46,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338131347] [2021-11-22 15:10:46,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:10:46,283 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:10:46,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:10:46,284 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:10:46,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-22 15:10:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:10:46,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 15:10:46,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:10:46,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:10:46,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-22 15:10:46,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 15:10:46,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-11-22 15:10:46,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-11-22 15:10:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:46,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:10:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:10:47,441 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:10:47,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338131347] [2021-11-22 15:10:47,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338131347] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:10:47,441 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:10:47,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-22 15:10:47,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533692444] [2021-11-22 15:10:47,441 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:10:47,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 15:10:47,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:10:47,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 15:10:47,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:10:47,443 INFO L87 Difference]: Start difference. First operand 1035 states and 1172 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:06,954 INFO L93 Difference]: Finished difference Result 1557 states and 1745 transitions. [2021-11-22 15:11:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 15:11:06,955 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-22 15:11:06,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:06,962 INFO L225 Difference]: With dead ends: 1557 [2021-11-22 15:11:06,962 INFO L226 Difference]: Without dead ends: 1557 [2021-11-22 15:11:06,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-11-22 15:11:06,963 INFO L933 BasicCegarLoop]: 550 mSDtfsCounter, 780 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 4281 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:06,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [780 Valid, 4281 Invalid, 3536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 3527 Invalid, 0 Unknown, 0 Unchecked, 19.2s Time] [2021-11-22 15:11:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2021-11-22 15:11:06,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1034. [2021-11-22 15:11:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 681 states have (on average 1.7195301027900147) internal successors, (1171), 1033 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1171 transitions. [2021-11-22 15:11:06,986 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1171 transitions. Word has length 67 [2021-11-22 15:11:06,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:06,986 INFO L470 AbstractCegarLoop]: Abstraction has 1034 states and 1171 transitions. [2021-11-22 15:11:06,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:06,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1171 transitions. [2021-11-22 15:11:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 15:11:06,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:06,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:07,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-22 15:11:07,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:11:07,204 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:11:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash -582276570, now seen corresponding path program 1 times [2021-11-22 15:11:07,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:11:07,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517504431] [2021-11-22 15:11:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:07,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:11:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:11:07,206 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:11:07,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-22 15:11:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:07,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:11:07,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:11:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:07,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:11:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:07,720 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:11:07,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517504431] [2021-11-22 15:11:07,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517504431] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:07,721 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:07,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-22 15:11:07,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126934593] [2021-11-22 15:11:07,722 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:07,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:11:07,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:11:07,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:11:07,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:11:07,723 INFO L87 Difference]: Start difference. First operand 1034 states and 1171 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:07,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:07,916 INFO L93 Difference]: Finished difference Result 1916 states and 2150 transitions. [2021-11-22 15:11:07,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:11:07,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-22 15:11:07,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:07,928 INFO L225 Difference]: With dead ends: 1916 [2021-11-22 15:11:07,929 INFO L226 Difference]: Without dead ends: 1916 [2021-11-22 15:11:07,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:11:07,931 INFO L933 BasicCegarLoop]: 1157 mSDtfsCounter, 889 mSDsluCounter, 2869 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:07,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [889 Valid, 4026 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:11:07,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2021-11-22 15:11:07,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1037. [2021-11-22 15:11:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 684 states have (on average 1.7163742690058479) internal successors, (1174), 1036 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1174 transitions. [2021-11-22 15:11:07,960 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1174 transitions. Word has length 71 [2021-11-22 15:11:07,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:07,960 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1174 transitions. [2021-11-22 15:11:07,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1174 transitions. [2021-11-22 15:11:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 15:11:07,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:07,965 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:07,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-22 15:11:08,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:11:08,180 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:11:08,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:08,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1283072730, now seen corresponding path program 1 times [2021-11-22 15:11:08,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:11:08,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952790491] [2021-11-22 15:11:08,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:08,182 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:11:08,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:11:08,183 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:11:08,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-22 15:11:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:08,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:11:08,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:11:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:08,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:11:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:08,763 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:11:08,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952790491] [2021-11-22 15:11:08,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952790491] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:11:08,763 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:11:08,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-22 15:11:08,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379530493] [2021-11-22 15:11:08,764 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:11:08,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 15:11:08,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:11:08,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 15:11:08,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:11:08,766 INFO L87 Difference]: Start difference. First operand 1037 states and 1174 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:09,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:09,277 INFO L93 Difference]: Finished difference Result 1723 states and 1947 transitions. [2021-11-22 15:11:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 15:11:09,278 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-22 15:11:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:09,288 INFO L225 Difference]: With dead ends: 1723 [2021-11-22 15:11:09,288 INFO L226 Difference]: Without dead ends: 1723 [2021-11-22 15:11:09,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2021-11-22 15:11:09,289 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 731 mSDsluCounter, 4321 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 5277 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:09,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [731 Valid, 5277 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:11:09,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2021-11-22 15:11:09,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1043. [2021-11-22 15:11:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 690 states have (on average 1.710144927536232) internal successors, (1180), 1042 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1180 transitions. [2021-11-22 15:11:09,312 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1180 transitions. Word has length 73 [2021-11-22 15:11:09,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:09,313 INFO L470 AbstractCegarLoop]: Abstraction has 1043 states and 1180 transitions. [2021-11-22 15:11:09,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1180 transitions. [2021-11-22 15:11:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 15:11:09,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:09,314 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:09,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-22 15:11:09,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:11:09,530 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:11:09,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:09,530 INFO L85 PathProgramCache]: Analyzing trace with hash -376896730, now seen corresponding path program 2 times [2021-11-22 15:11:09,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:11:09,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986481288] [2021-11-22 15:11:09,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 15:11:09,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:11:09,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:11:09,531 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:11:09,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-22 15:11:09,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 15:11:09,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:11:09,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 15:11:09,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:11:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:10,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:11:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:10,717 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:11:10,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986481288] [2021-11-22 15:11:10,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986481288] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:11:10,717 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:11:10,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-22 15:11:10,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214318542] [2021-11-22 15:11:10,718 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:11:10,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-22 15:11:10,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:11:10,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-22 15:11:10,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-22 15:11:10,720 INFO L87 Difference]: Start difference. First operand 1043 states and 1180 transitions. Second operand has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:13,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:13,320 INFO L93 Difference]: Finished difference Result 1735 states and 1959 transitions. [2021-11-22 15:11:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-22 15:11:13,321 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-22 15:11:13,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:13,328 INFO L225 Difference]: With dead ends: 1735 [2021-11-22 15:11:13,328 INFO L226 Difference]: Without dead ends: 1735 [2021-11-22 15:11:13,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=370, Invalid=622, Unknown=0, NotChecked=0, Total=992 [2021-11-22 15:11:13,329 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 687 mSDsluCounter, 9328 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 10284 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:13,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 10284 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-22 15:11:13,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2021-11-22 15:11:13,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1055. [2021-11-22 15:11:13,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 702 states have (on average 1.6980056980056981) internal successors, (1192), 1054 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1192 transitions. [2021-11-22 15:11:13,347 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1192 transitions. Word has length 77 [2021-11-22 15:11:13,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:13,347 INFO L470 AbstractCegarLoop]: Abstraction has 1055 states and 1192 transitions. [2021-11-22 15:11:13,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1192 transitions. [2021-11-22 15:11:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 15:11:13,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:13,348 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:13,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-22 15:11:13,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:11:13,549 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:11:13,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:13,549 INFO L85 PathProgramCache]: Analyzing trace with hash 688279334, now seen corresponding path program 3 times [2021-11-22 15:11:13,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:11:13,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302962774] [2021-11-22 15:11:13,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 15:11:13,550 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:11:13,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:11:13,551 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:11:13,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-22 15:11:14,428 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-22 15:11:14,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:11:14,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 15:11:14,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:11:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:15,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:11:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:16,695 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:11:16,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302962774] [2021-11-22 15:11:16,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302962774] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:11:16,695 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:11:16,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-11-22 15:11:16,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356468408] [2021-11-22 15:11:16,696 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:11:16,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-22 15:11:16,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:11:16,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-22 15:11:16,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2021-11-22 15:11:16,698 INFO L87 Difference]: Start difference. First operand 1055 states and 1192 transitions. Second operand has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:31,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:31,957 INFO L93 Difference]: Finished difference Result 12787 states and 14421 transitions. [2021-11-22 15:11:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-22 15:11:31,958 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-22 15:11:31,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:31,989 INFO L225 Difference]: With dead ends: 12787 [2021-11-22 15:11:31,990 INFO L226 Difference]: Without dead ends: 12787 [2021-11-22 15:11:31,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=1674, Invalid=4332, Unknown=0, NotChecked=0, Total=6006 [2021-11-22 15:11:31,994 INFO L933 BasicCegarLoop]: 10997 mSDtfsCounter, 26121 mSDsluCounter, 153457 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26121 SdHoareTripleChecker+Valid, 164454 SdHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:31,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26121 Valid, 164454 Invalid, 1758 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [194 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-11-22 15:11:32,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12787 states. [2021-11-22 15:11:32,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12787 to 1094. [2021-11-22 15:11:32,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 741 states have (on average 1.689608636977058) internal successors, (1252), 1093 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1252 transitions. [2021-11-22 15:11:32,158 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1252 transitions. Word has length 85 [2021-11-22 15:11:32,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:32,160 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 1252 transitions. [2021-11-22 15:11:32,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.0294117647058822) internal successors, (103), 34 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1252 transitions. [2021-11-22 15:11:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 15:11:32,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:32,162 INFO L514 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:32,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-22 15:11:32,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:11:32,381 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:11:32,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:32,382 INFO L85 PathProgramCache]: Analyzing trace with hash -2300122, now seen corresponding path program 4 times [2021-11-22 15:11:32,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:11:32,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438346823] [2021-11-22 15:11:32,383 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 15:11:32,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:11:32,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:11:32,384 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:11:32,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-22 15:11:32,674 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 15:11:32,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:11:32,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 15:11:32,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:11:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:34,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:11:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:37,440 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:11:37,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438346823] [2021-11-22 15:11:37,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438346823] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:11:37,440 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:11:37,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2021-11-22 15:11:37,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339822251] [2021-11-22 15:11:37,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:11:37,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-22 15:11:37,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:11:37,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-22 15:11:37,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1000, Invalid=3290, Unknown=0, NotChecked=0, Total=4290 [2021-11-22 15:11:37,445 INFO L87 Difference]: Start difference. First operand 1094 states and 1252 transitions. Second operand has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:10,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:10,968 INFO L93 Difference]: Finished difference Result 1804 states and 2042 transitions. [2021-11-22 15:13:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-22 15:13:10,969 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-11-22 15:13:10,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:13:10,973 INFO L225 Difference]: With dead ends: 1804 [2021-11-22 15:13:10,973 INFO L226 Difference]: Without dead ends: 1804 [2021-11-22 15:13:10,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3304 ImplicationChecksByTransitivity, 32.4s TimeCoverageRelationStatistics Valid=3577, Invalid=8413, Unknown=0, NotChecked=0, Total=11990 [2021-11-22 15:13:10,980 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 731 mSDsluCounter, 31813 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 32769 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:13:10,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [731 Valid, 32769 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 65.0s Time] [2021-11-22 15:13:10,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2021-11-22 15:13:10,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1124. [2021-11-22 15:13:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 771 states have (on average 1.6536964980544746) internal successors, (1275), 1123 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1275 transitions. [2021-11-22 15:13:11,004 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1275 transitions. Word has length 101 [2021-11-22 15:13:11,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:13:11,004 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 1275 transitions. [2021-11-22 15:13:11,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:13:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1275 transitions. [2021-11-22 15:13:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 15:13:11,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:13:11,006 INFO L514 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:11,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-22 15:13:11,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:13:11,225 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:13:11,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:11,226 INFO L85 PathProgramCache]: Analyzing trace with hash -146191322, now seen corresponding path program 5 times [2021-11-22 15:13:11,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:13:11,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614588810] [2021-11-22 15:13:11,227 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-22 15:13:11,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:13:11,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:13:11,229 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:13:11,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-22 15:13:12,443 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-22 15:13:12,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:13:12,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-22 15:13:12,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:13:12,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:13:12,728 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-22 15:13:12,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-11-22 15:13:12,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:13:12,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-22 15:13:12,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 15:13:13,060 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-11-22 15:13:13,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 67 [2021-11-22 15:13:13,090 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-22 15:13:13,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 51 [2021-11-22 15:13:16,954 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:16,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:17,000 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:17,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:17,153 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:17,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:17,189 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:17,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:18,513 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:18,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:18,547 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:18,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:19,544 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:19,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:19,586 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:19,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:20,409 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:20,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:20,443 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:20,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:20,618 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:20,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:22,596 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:22,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:22,731 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:22,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:23,477 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:23,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:23,610 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:23,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:23,642 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:23,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:23,779 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:23,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:23,815 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:23,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:27,301 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:27,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:28,983 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:28,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:31,051 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:31,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:31,082 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:31,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:33,150 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:33,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:33,197 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:33,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:33,379 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:33,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:37,429 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:37,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:37,589 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:37,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:41,221 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:41,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:44,863 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:44,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:48,417 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:48,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:48,552 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:48,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:48,585 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:48,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:48,725 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:48,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:48,759 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:48,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:48,902 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:48,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:48,936 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:48,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:49,082 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:49,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:49,116 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:49,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:49,251 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:49,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:51,296 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:51,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:51,434 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:51,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:51,466 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:51,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:51,610 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:51,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:51,646 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:51,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:53,587 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:53,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:53,619 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:53,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:53,797 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:53,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:13:58,177 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:13:58,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:13:59,251 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:13:59,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:00,386 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:00,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:00,505 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:00,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:00,532 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:00,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:00,655 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:00,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:00,688 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:00,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:00,807 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:00,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:06,566 WARN L227 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 18 DAG size of output: 9 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:14:06,566 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:06,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:12,195 WARN L227 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 20 DAG size of output: 13 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:14:12,196 INFO L354 Elim1Store]: treesize reduction 25, result has 34.2 percent of original size [2021-11-22 15:14:12,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 73 [2021-11-22 15:14:12,246 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:12,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:16,992 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:16,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:17,031 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:17,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:17,214 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:17,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:19,538 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:19,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:20,998 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:20,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:26,297 WARN L227 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 18 DAG size of output: 9 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:14:26,298 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:26,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:26,465 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:26,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:28,495 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:28,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:32,154 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:32,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:32,191 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:32,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:32,375 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:32,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:36,706 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:36,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:39,975 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:39,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:40,014 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:40,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:43,403 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:43,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:43,440 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:43,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:43,590 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:43,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:46,526 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:46,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:46,688 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:46,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:50,373 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:50,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:50,515 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:50,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:50,549 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:50,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:50,690 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:50,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:52,306 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:52,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:52,448 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-22 15:14:52,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 69 [2021-11-22 15:14:52,488 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 15:14:52,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 65 [2021-11-22 15:14:52,677 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:14:52,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 78 [2021-11-22 15:14:52,748 INFO L354 Elim1Store]: treesize reduction 104, result has 19.4 percent of original size [2021-11-22 15:14:52,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 101 [2021-11-22 15:14:53,198 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-22 15:14:53,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 62 [2021-11-22 15:14:53,209 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-22 15:14:53,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2021-11-22 15:14:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 43 proven. 44 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-22 15:14:53,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:15:10,605 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_4 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_4 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_3 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_3 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:15:24,902 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_10 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_10 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_9 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_9 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd (_ bv20 32) .cse4))))) is different from false [2021-11-22 15:15:48,687 WARN L227 SmtUtils]: Spent 6.78s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 15:15:58,440 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_20 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_20 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_19 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_19 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-22 15:16:19,342 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_28 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_28 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse0 (_ bv16 32)) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_27 (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_27 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:16:34,472 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_31 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_31 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_32 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_32 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:16:36,605 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_31 (_ BitVec 32)) (v_subst_34 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_34 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_31 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_33 (_ BitVec 32)) (v_subst_32 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_33 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd v_subst_32 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3) .cse5 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)))))) is different from false [2021-11-22 15:18:11,063 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_68 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_68 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_67 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_67 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse4) (bvadd .cse4 (_ bv20 32)))))) is different from false [2021-11-22 15:19:05,152 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_86 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_86 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_85 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_85 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:19:07,416 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_86 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem38#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem38#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_86 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_85 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_85 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem38#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem38#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem38#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem38#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)))))) is different from false [2021-11-22 15:19:09,540 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_85 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse1 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd v_subst_85 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| .cse0 (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| .cse0) .cse1 .cse2) .cse3 .cse2))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 (store (store (select |c_#memory_$Pointer$.base| .cse0) .cse1 (_ bv0 32)) .cse3 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse4)))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| (_ BitVec 32)) (v_subst_86 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#value#1| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse5 (let ((.cse8 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse6 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse8))) (store |c_#memory_$Pointer$.offset| .cse6 (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) |ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| .cse6) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse7) (bvadd v_subst_86 |ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse7)))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse8)))) (bvule (bvadd (_ bv16 32) .cse5) (bvadd .cse5 (_ bv20 32)))))) is different from false [2021-11-22 15:19:28,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2021-11-22 15:19:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 133 proven. 36 refuted. 76 times theorem prover too weak. 421 trivial. 324 not checked. [2021-11-22 15:19:28,823 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:19:28,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614588810] [2021-11-22 15:19:28,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614588810] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:19:28,823 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:19:28,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18] total 25 [2021-11-22 15:19:28,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958330738] [2021-11-22 15:19:28,824 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 15:19:28,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-22 15:19:28,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:19:28,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-22 15:19:28,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=186, Unknown=20, NotChecked=370, Total=650 [2021-11-22 15:19:28,825 INFO L87 Difference]: Start difference. First operand 1124 states and 1275 transitions. Second operand has 26 states, 25 states have (on average 4.24) internal successors, (106), 26 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:19:48,221 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse21 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse21))) (and (forall ((v_subst_10 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse2 (bvadd v_subst_10 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 .cse1) .cse2 .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))))) (forall ((v_subst_28 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5) (bvadd v_subst_28 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse5))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse4 (_ bv16 32)) (bvadd .cse4 (_ bv20 32))))) (= |c_ULTIMATE.start_main_#t~mem38#1.base| .cse6) (forall ((v_subst_68 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse7 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse9 (bvadd v_subst_68 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse10 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse7 .cse8) .cse9 .cse8))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse10)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse7 (_ bv0 32)) .cse9 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse10))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_27 (_ BitVec 32))) (let ((.cse11 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse13 (bvadd v_subst_27 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse14 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse11 .cse12) .cse13 .cse12))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse14) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse11 (_ bv0 32)) .cse13 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse14))))) (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| .cse6) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |c_ULTIMATE.start_main_~user~0#1.base|))) (forall ((v_subst_20 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse15 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse17 (bvadd v_subst_20 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse18 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse15 .cse16) .cse17 .cse16))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse18)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse15 (_ bv0 32)) .cse17 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse18))))) (= (select |c_#length| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (_ bv44 32)) (not (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) (not (= |c_ULTIMATE.start_main_~user~0#1.base| .cse6)) (forall ((v_subst_67 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse19 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse20) (bvadd v_subst_67 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse20))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse19) (bvadd .cse19 (_ bv20 32))))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse21) (_ bv0 32)) (forall ((v_subst_9 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse22 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse23) (bvadd v_subst_9 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse23))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse22) (bvadd (_ bv20 32) .cse22)))) (= (select |c_#length| .cse6) (_ bv44 32)) (exists ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_125| (_ BitVec 32))) (let ((.cse24 (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_125| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|))) (and (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse24) ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|))) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse24) (_ bv0 32))))) (forall ((v_subst_31 (_ BitVec 32)) (v_subst_34 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse25 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse26) (bvadd v_subst_34 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse26) (bvadd v_subst_31 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse26))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse25) (bvadd .cse25 (_ bv20 32))))) (forall ((v_subst_19 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse27 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse28) (bvadd v_subst_19 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse28))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse27) (bvadd .cse27 (_ bv20 32))))) (forall ((v_subst_33 (_ BitVec 32)) (v_subst_32 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse29 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse31 (bvadd v_subst_33 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse32 (bvadd v_subst_32 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse33 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse29 .cse30) .cse31 .cse30) .cse32 .cse30))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse33)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse29 (_ bv0 32)) .cse31 (_ bv0 32)) .cse32 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse33))))) (forall ((v_subst_4 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse34 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse35) (bvadd v_subst_4 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse35))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse34) (bvadd .cse34 (_ bv20 32))))) (forall ((v_subst_3 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse36 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse38 (bvadd v_subst_3 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse39 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse36 .cse37) .cse38 .cse37))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse39) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse36 (_ bv0 32)) .cse38 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse39)))))))) is different from true [2021-11-22 15:19:50,266 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse16 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_subst_31 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1) (bvadd v_subst_31 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse1))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_subst_10 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse2 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse4 (bvadd v_subst_10 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 .cse3) .cse4 .cse3))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse2 (_ bv0 32)) .cse4 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse5))))) (forall ((v_subst_28 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse6 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse7) (bvadd v_subst_28 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse7))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd .cse6 (_ bv16 32)) (bvadd .cse6 (_ bv20 32))))) (forall ((v_subst_68 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse8 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse10 (bvadd v_subst_68 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse11 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse8 .cse9) .cse10 .cse9))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse11)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse8 (_ bv0 32)) .cse10 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse11))))) (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32)) (v_subst_27 (_ BitVec 32))) (let ((.cse12 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse14 (bvadd v_subst_27 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse15 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse12 .cse13) .cse14 .cse13))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse15) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse12 (_ bv0 32)) .cse14 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse15))))) (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse16)) (forall ((v_subst_20 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse17 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse19 (bvadd v_subst_20 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse20 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse17 .cse18) .cse19 .cse18))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse20)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse17 (_ bv0 32)) .cse19 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse20))))) (= (select |c_#length| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (_ bv44 32)) (not (= |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) (forall ((v_subst_67 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse21 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse22) (bvadd v_subst_67 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse22))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse21) (bvadd .cse21 (_ bv20 32))))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse16) (_ bv0 32)) (forall ((v_subst_9 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse23 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse24) (bvadd v_subst_9 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse24))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse23) (bvadd (_ bv20 32) .cse23)))) (exists ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_125| (_ BitVec 32))) (let ((.cse25 (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_125| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|))) (and (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse25) ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|))) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse25) (_ bv0 32))))) (forall ((v_subst_31 (_ BitVec 32)) (v_subst_34 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse26 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse27) (bvadd v_subst_34 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse27) (bvadd v_subst_31 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse27))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse26) (bvadd .cse26 (_ bv20 32))))) (forall ((v_subst_32 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse28 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse30 (bvadd v_subst_32 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse31 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse29 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse28 .cse29) .cse30 .cse29))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse31) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse28 (_ bv0 32)) .cse30 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse31))))) (forall ((v_subst_19 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse32 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse33) (bvadd v_subst_19 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse33))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse32) (bvadd .cse32 (_ bv20 32))))) (forall ((v_subst_33 (_ BitVec 32)) (v_subst_32 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse34 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse36 (bvadd v_subst_33 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse37 (bvadd v_subst_32 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse38 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (_ bv20 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse34 .cse35) .cse36 .cse35) .cse37 .cse35))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse38)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse34 (_ bv0 32)) .cse36 (_ bv0 32)) .cse37 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse38))))) (forall ((v_subst_4 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse39 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse40) (bvadd v_subst_4 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) .cse40))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))) (bvule (bvadd (_ bv16 32) .cse39) (bvadd .cse39 (_ bv20 32))))) (forall ((v_subst_3 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (let ((.cse41 (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse43 (bvadd v_subst_3 |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|)) (.cse44 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (let ((.cse42 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value#1|)))) (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse41 .cse42) .cse43 .cse42))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse44) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) .cse41 (_ bv0 32)) .cse43 (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse44))))))) is different from true [2021-11-22 15:20:04,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:04,246 INFO L93 Difference]: Finished difference Result 1404 states and 1628 transitions. [2021-11-22 15:20:04,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 15:20:04,247 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.24) internal successors, (106), 26 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-11-22 15:20:04,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:04,249 INFO L225 Difference]: With dead ends: 1404 [2021-11-22 15:20:04,249 INFO L226 Difference]: Without dead ends: 1404 [2021-11-22 15:20:04,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 129 SyntacticMatches, 76 SemanticMatches, 31 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 276.5s TimeCoverageRelationStatistics Valid=116, Invalid=329, Unknown=23, NotChecked=588, Total=1056 [2021-11-22 15:20:04,251 INFO L933 BasicCegarLoop]: 591 mSDtfsCounter, 629 mSDsluCounter, 6138 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 14045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11400 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:04,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [629 Valid, 6729 Invalid, 14045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2635 Invalid, 0 Unknown, 11400 Unchecked, 14.6s Time] [2021-11-22 15:20:04,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2021-11-22 15:20:04,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1123. [2021-11-22 15:20:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 771 states have (on average 1.6523994811932554) internal successors, (1274), 1122 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1274 transitions. [2021-11-22 15:20:04,272 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1274 transitions. Word has length 115 [2021-11-22 15:20:04,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:04,273 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 1274 transitions. [2021-11-22 15:20:04,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.24) internal successors, (106), 26 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1274 transitions. [2021-11-22 15:20:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 15:20:04,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:04,275 INFO L514 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:04,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-11-22 15:20:04,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:20:04,510 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 536 more)] === [2021-11-22 15:20:04,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:04,510 INFO L85 PathProgramCache]: Analyzing trace with hash -146191323, now seen corresponding path program 1 times [2021-11-22 15:20:04,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:20:04,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201489771] [2021-11-22 15:20:04,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:04,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:20:04,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:20:04,513 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:20:04,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c588b10-f7f0-42d3-9d99-0c846e597275/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-22 15:20:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:05,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 15:20:05,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:20:05,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:20:05,642 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-22 15:20:05,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 26 [2021-11-22 15:20:05,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2021-11-22 15:20:06,078 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-22 15:20:06,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 35 [2021-11-22 15:20:07,903 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:07,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:20:11,148 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:11,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:20:11,350 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:11,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:12,816 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:12,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:14,679 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:14,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-22 15:20:17,007 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:17,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:20,664 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:20,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:20,863 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:20,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:22,567 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:22,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:22,759 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:22,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:20:22,965 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:22,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:23,157 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:23,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:23,339 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:23,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:27,579 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:27,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-22 15:20:27,798 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:27,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:30,066 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:30,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:30,264 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:30,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:30,465 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:30,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:30,661 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:30,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:20:30,866 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:30,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:31,076 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:31,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:20:31,277 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:31,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:31,477 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:31,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:36,072 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:36,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:36,274 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:36,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:36,473 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:36,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:36,680 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:36,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:38,525 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:38,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:20:39,995 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:39,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:42,398 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:42,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:42,585 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:42,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:42,784 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:42,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:44,430 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:44,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:45,876 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:45,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 50 [2021-11-22 15:20:46,064 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:46,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:46,262 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:46,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:20:48,204 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:48,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:48,415 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:48,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:51,029 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:51,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 49 [2021-11-22 15:20:51,230 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:51,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2021-11-22 15:20:53,582 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:53,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:55,541 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:55,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 47 [2021-11-22 15:20:55,736 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 15:20:55,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 48 [2021-11-22 15:20:56,026 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-22 15:20:56,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 35 [2021-11-22 15:20:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 43 proven. 44 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-22 15:20:56,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:20:58,200 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))) (_ bv1 1)))) is different from false [2021-11-22 15:21:00,222 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_260| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_260| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))))))) (_ bv1 1)))) is different from false [2021-11-22 15:22:25,175 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_260| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_262| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_288| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_288| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_262| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_260| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))))) (_ bv1 1)))) is different from false [2021-11-22 15:23:00,441 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_260| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_262| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_302| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| (_ BitVec 32))) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_302| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_262| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32)) (bvadd |v_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr237#1_260| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset|) (_ bv0 32))) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))))))) (_ bv1 1)))) is different from false