./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF --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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:25:42,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:25:42,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:25:42,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:25:42,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:25:42,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:25:42,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:25:42,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:25:42,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:25:42,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:25:42,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:25:42,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:25:42,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:25:42,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:25:42,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:25:42,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:25:42,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:25:42,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:25:42,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:25:42,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:25:42,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:25:42,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:25:42,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:25:42,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:25:42,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:25:42,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:25:42,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:25:42,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:25:42,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:25:42,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:25:42,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:25:42,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:25:42,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:25:42,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:25:42,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:25:42,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:25:42,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:25:42,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:25:42,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:25:42,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:25:42,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:25:42,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-20 06:25:42,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:25:42,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:25:42,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:25:42,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:25:42,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:25:42,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:25:42,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:25:42,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:25:42,807 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:25:42,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:25:42,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:25:42,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:25:42,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:25:42,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:25:42,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:25:42,809 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 06:25:42,809 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 06:25:42,809 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 06:25:42,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:25:42,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:25:42,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:25:42,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:25:42,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:25:42,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:25:42,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:25:42,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:25:42,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:25:42,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:25:42,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:25:42,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:25:42,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:25:42,813 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_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2021-11-20 06:25:43,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:25:43,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:25:43,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:25:43,151 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:25:43,152 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:25:43,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2021-11-20 06:25:43,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data/edf5150cf/fda40d82bc9c4c51a543326ae517c9cd/FLAG3783b3f6b [2021-11-20 06:25:43,813 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:25:43,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2021-11-20 06:25:43,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data/edf5150cf/fda40d82bc9c4c51a543326ae517c9cd/FLAG3783b3f6b [2021-11-20 06:25:44,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data/edf5150cf/fda40d82bc9c4c51a543326ae517c9cd [2021-11-20 06:25:44,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:25:44,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:25:44,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:25:44,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:25:44,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:25:44,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:44" (1/1) ... [2021-11-20 06:25:44,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ae37f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:44, skipping insertion in model container [2021-11-20 06:25:44,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:44" (1/1) ... [2021-11-20 06:25:44,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:25:44,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:25:44,656 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2021-11-20 06:25:44,814 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2021-11-20 06:25:44,816 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2021-11-20 06:25:44,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:25:44,834 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) [2021-11-20 06:25:44,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16ad0fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:44, skipping insertion in model container [2021-11-20 06:25:44,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:25:44,835 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 06:25:44,837 INFO L158 Benchmark]: Toolchain (without parser) took 751.86ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 54.7MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:25:44,838 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:25:44,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.73ms. Allocated memory is still 88.1MB. Free memory was 51.5MB in the beginning and 55.0MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:25:44,840 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 88.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.73ms. Allocated memory is still 88.1MB. Free memory was 51.5MB in the beginning and 55.0MB in the end (delta: -3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 716]: 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_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF --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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:25:47,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:25:47,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:25:47,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:25:47,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:25:47,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:25:47,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:25:47,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:25:47,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:25:47,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:25:47,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:25:47,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:25:47,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:25:47,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:25:47,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:25:47,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:25:47,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:25:47,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:25:47,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:25:47,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:25:47,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:25:47,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:25:47,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:25:47,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:25:47,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:25:47,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:25:47,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:25:47,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:25:47,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:25:47,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:25:47,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:25:47,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:25:47,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:25:47,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:25:47,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:25:47,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:25:47,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:25:47,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:25:47,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:25:47,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:25:47,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:25:47,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-20 06:25:47,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:25:47,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:25:47,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:25:47,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:25:47,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:25:47,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:25:47,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:25:47,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:25:47,345 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:25:47,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:25:47,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:25:47,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:25:47,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:25:47,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:25:47,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:25:47,348 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 06:25:47,349 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 06:25:47,349 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 06:25:47,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:25:47,349 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:25:47,350 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:25:47,350 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:25:47,350 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:25:47,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:25:47,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:25:47,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:25:47,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:25:47,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:25:47,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:25:47,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:25:47,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:25:47,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:25:47,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:25:47,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:25:47,354 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_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2021-11-20 06:25:47,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:25:47,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:25:47,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:25:47,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:25:47,858 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:25:47,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2021-11-20 06:25:47,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data/3bebe2866/c59fa8e73fa14e6c9d8fd6ea5c99abfc/FLAGc8f42152d [2021-11-20 06:25:48,723 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:25:48,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2021-11-20 06:25:48,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data/3bebe2866/c59fa8e73fa14e6c9d8fd6ea5c99abfc/FLAGc8f42152d [2021-11-20 06:25:48,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/data/3bebe2866/c59fa8e73fa14e6c9d8fd6ea5c99abfc [2021-11-20 06:25:48,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:25:48,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:25:48,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:25:48,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:25:48,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:25:48,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:48" (1/1) ... [2021-11-20 06:25:48,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11248c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:48, skipping insertion in model container [2021-11-20 06:25:48,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:48" (1/1) ... [2021-11-20 06:25:48,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:25:48,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:25:49,486 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2021-11-20 06:25:49,672 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2021-11-20 06:25:49,673 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2021-11-20 06:25:49,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:25:49,694 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 06:25:49,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:25:49,727 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2021-11-20 06:25:49,794 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2021-11-20 06:25:49,804 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2021-11-20 06:25:49,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:25:49,822 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:25:49,887 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2021-11-20 06:25:49,974 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2021-11-20 06:25:49,978 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_0baa811f-d6be-47e8-89a0-59316c8812df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2021-11-20 06:25:49,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:25:50,038 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:25:50,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50 WrapperNode [2021-11-20 06:25:50,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:25:50,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:25:50,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:25:50,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:25:50,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,172 INFO L137 Inliner]: procedures = 179, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1011 [2021-11-20 06:25:50,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:25:50,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:25:50,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:25:50,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:25:50,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:25:50,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:25:50,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:25:50,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:25:50,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (1/1) ... [2021-11-20 06:25:50,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:25:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:25:50,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:25:50,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:25:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 06:25:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:25:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:25:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:25:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:25:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:25:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:25:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:25:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 06:25:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:25:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:25:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:25:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:25:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:25:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:25:50,776 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:25:50,778 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:25:50,782 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-20 06:25:55,864 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:25:55,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:25:55,879 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-20 06:25:55,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:55 BoogieIcfgContainer [2021-11-20 06:25:55,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:25:55,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:25:55,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:25:55,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:25:55,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:25:48" (1/3) ... [2021-11-20 06:25:55,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b42614d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:25:55, skipping insertion in model container [2021-11-20 06:25:55,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:50" (2/3) ... [2021-11-20 06:25:55,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b42614d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:25:55, skipping insertion in model container [2021-11-20 06:25:55,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:55" (3/3) ... [2021-11-20 06:25:55,890 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-1.i [2021-11-20 06:25:55,896 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:25:55,896 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 530 error locations. [2021-11-20 06:25:55,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:25:55,950 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 [2021-11-20 06:25:55,950 INFO L340 AbstractCegarLoop]: Starting to check reachability of 530 error locations. [2021-11-20 06:25:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 1050 states, 518 states have (on average 2.2548262548262548) internal successors, (1168), 1045 states have internal predecessors, (1168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:25:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 06:25:55,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:55,992 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 06:25:55,992 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:25:55,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:55,998 INFO L85 PathProgramCache]: Analyzing trace with hash 38794, now seen corresponding path program 1 times [2021-11-20 06:25:56,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:25:56,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084635463] [2021-11-20 06:25:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:56,011 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:25:56,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:25:56,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:25:56,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 06:25:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:56,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:25:56,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:25:56,274 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 [2021-11-20 06:25:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:56,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:25:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:56,318 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:25:56,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084635463] [2021-11-20 06:25:56,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084635463] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:56,320 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:56,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:25:56,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185584719] [2021-11-20 06:25:56,322 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:56,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:25:56,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:25:56,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:25:56,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:25:56,370 INFO L87 Difference]: Start difference. First operand has 1050 states, 518 states have (on average 2.2548262548262548) internal successors, (1168), 1045 states have internal predecessors, (1168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2021-11-20 06:25:58,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:25:58,312 INFO L93 Difference]: Finished difference Result 1041 states and 1096 transitions. [2021-11-20 06:25:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:25:58,314 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 [2021-11-20 06:25:58,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:25:58,336 INFO L225 Difference]: With dead ends: 1041 [2021-11-20 06:25:58,337 INFO L226 Difference]: Without dead ends: 1039 [2021-11-20 06:25:58,338 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 [2021-11-20 06:25:58,342 INFO L933 BasicCegarLoop]: 618 mSDtfsCounter, 969 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:25:58,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [972 Valid, 670 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 06:25:58,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2021-11-20 06:25:58,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1031. [2021-11-20 06:25:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 516 states have (on average 2.0949612403100777) internal successors, (1081), 1026 states have internal predecessors, (1081), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:25:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1087 transitions. [2021-11-20 06:25:58,440 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1087 transitions. Word has length 3 [2021-11-20 06:25:58,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:25:58,440 INFO L470 AbstractCegarLoop]: Abstraction has 1031 states and 1087 transitions. [2021-11-20 06:25:58,440 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) [2021-11-20 06:25:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1087 transitions. [2021-11-20 06:25:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 06:25:58,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:25:58,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 06:25:58,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-20 06:25:58,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:25:58,656 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:25:58,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash 38795, now seen corresponding path program 1 times [2021-11-20 06:25:58,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:25:58,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356424585] [2021-11-20 06:25:58,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:58,658 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:25:58,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:25:58,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:25:58,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 06:25:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:58,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:25:58,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:25:58,809 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 [2021-11-20 06:25:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:58,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:25:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:58,885 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:25:58,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356424585] [2021-11-20 06:25:58,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356424585] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:58,885 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:58,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-20 06:25:58,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411069521] [2021-11-20 06:25:58,886 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:58,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:25:58,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:25:58,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:25:58,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:25:58,889 INFO L87 Difference]: Start difference. First operand 1031 states and 1087 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) [2021-11-20 06:26:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:03,291 INFO L93 Difference]: Finished difference Result 1496 states and 1584 transitions. [2021-11-20 06:26:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:26:03,292 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 [2021-11-20 06:26:03,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:03,300 INFO L225 Difference]: With dead ends: 1496 [2021-11-20 06:26:03,300 INFO L226 Difference]: Without dead ends: 1496 [2021-11-20 06:26:03,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:26:03,301 INFO L933 BasicCegarLoop]: 757 mSDtfsCounter, 1544 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:03,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1544 Valid, 1364 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-20 06:26:03,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2021-11-20 06:26:03,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1066. [2021-11-20 06:26:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 560 states have (on average 2.0714285714285716) internal successors, (1160), 1061 states have internal predecessors, (1160), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1166 transitions. [2021-11-20 06:26:03,338 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1166 transitions. Word has length 3 [2021-11-20 06:26:03,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:03,339 INFO L470 AbstractCegarLoop]: Abstraction has 1066 states and 1166 transitions. [2021-11-20 06:26:03,339 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) [2021-11-20 06:26:03,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1166 transitions. [2021-11-20 06:26:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 06:26:03,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:03,340 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:03,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:03,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:03,550 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:03,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:03,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1768476910, now seen corresponding path program 1 times [2021-11-20 06:26:03,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:03,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278939827] [2021-11-20 06:26:03,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:03,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:03,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:03,554 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:03,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 06:26:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:03,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:26:03,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:03,677 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 [2021-11-20 06:26:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:03,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:03,719 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:03,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278939827] [2021-11-20 06:26:03,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278939827] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:03,722 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:03,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:26:03,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379348286] [2021-11-20 06:26:03,722 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:03,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:26:03,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:03,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:26:03,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:26:03,726 INFO L87 Difference]: Start difference. First operand 1066 states and 1166 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) [2021-11-20 06:26:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:05,789 INFO L93 Difference]: Finished difference Result 1396 states and 1521 transitions. [2021-11-20 06:26:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:26:05,791 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 [2021-11-20 06:26:05,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:05,799 INFO L225 Difference]: With dead ends: 1396 [2021-11-20 06:26:05,799 INFO L226 Difference]: Without dead ends: 1396 [2021-11-20 06:26:05,799 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 [2021-11-20 06:26:05,801 INFO L933 BasicCegarLoop]: 925 mSDtfsCounter, 975 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:05,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [978 Valid, 1168 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 06:26:05,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2021-11-20 06:26:05,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1019. [2021-11-20 06:26:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 560 states have (on average 1.9821428571428572) internal successors, (1110), 1014 states have internal predecessors, (1110), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:05,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1116 transitions. [2021-11-20 06:26:05,832 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1116 transitions. Word has length 8 [2021-11-20 06:26:05,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:05,833 INFO L470 AbstractCegarLoop]: Abstraction has 1019 states and 1116 transitions. [2021-11-20 06:26:05,833 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) [2021-11-20 06:26:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1116 transitions. [2021-11-20 06:26:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 06:26:05,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:05,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:05,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:06,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:06,055 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:06,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:06,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1768476909, now seen corresponding path program 1 times [2021-11-20 06:26:06,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:06,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338459390] [2021-11-20 06:26:06,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:06,057 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:06,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:06,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:06,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 06:26:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:06,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:26:06,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:06,198 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 [2021-11-20 06:26:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:06,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:06,333 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:06,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338459390] [2021-11-20 06:26:06,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338459390] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:06,333 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:06,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-20 06:26:06,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492874145] [2021-11-20 06:26:06,334 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:06,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:26:06,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:06,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:26:06,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:26:06,335 INFO L87 Difference]: Start difference. First operand 1019 states and 1116 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) [2021-11-20 06:26:12,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:12,069 INFO L93 Difference]: Finished difference Result 1440 states and 1529 transitions. [2021-11-20 06:26:12,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:26:12,070 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 [2021-11-20 06:26:12,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:12,078 INFO L225 Difference]: With dead ends: 1440 [2021-11-20 06:26:12,078 INFO L226 Difference]: Without dead ends: 1440 [2021-11-20 06:26:12,078 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 [2021-11-20 06:26:12,085 INFO L933 BasicCegarLoop]: 1099 mSDtfsCounter, 717 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:12,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 1909 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-11-20 06:26:12,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2021-11-20 06:26:12,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1009. [2021-11-20 06:26:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 560 states have (on average 1.9589285714285714) internal successors, (1097), 1004 states have internal predecessors, (1097), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1103 transitions. [2021-11-20 06:26:12,126 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1103 transitions. Word has length 8 [2021-11-20 06:26:12,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:12,127 INFO L470 AbstractCegarLoop]: Abstraction has 1009 states and 1103 transitions. [2021-11-20 06:26:12,127 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) [2021-11-20 06:26:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1103 transitions. [2021-11-20 06:26:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 06:26:12,128 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:12,128 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:12,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:12,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:12,340 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr526ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash 871378613, now seen corresponding path program 1 times [2021-11-20 06:26:12,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:12,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574792495] [2021-11-20 06:26:12,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:12,342 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:12,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:12,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 06:26:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:12,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:12,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:12,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:12,670 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:12,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574792495] [2021-11-20 06:26:12,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574792495] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:12,671 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:12,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 06:26:12,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565634582] [2021-11-20 06:26:12,671 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:12,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:26:12,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:12,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:26:12,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:26:12,673 INFO L87 Difference]: Start difference. First operand 1009 states and 1103 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:13,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:13,456 INFO L93 Difference]: Finished difference Result 1456 states and 1582 transitions. [2021-11-20 06:26:13,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:26:13,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 06:26:13,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:13,465 INFO L225 Difference]: With dead ends: 1456 [2021-11-20 06:26:13,465 INFO L226 Difference]: Without dead ends: 1456 [2021-11-20 06:26:13,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:26:13,466 INFO L933 BasicCegarLoop]: 1082 mSDtfsCounter, 548 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2931 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:13,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [550 Valid, 2931 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-20 06:26:13,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2021-11-20 06:26:13,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1246. [2021-11-20 06:26:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 797 states have (on average 1.9422835633626099) internal successors, (1548), 1241 states have internal predecessors, (1548), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1554 transitions. [2021-11-20 06:26:13,506 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1554 transitions. Word has length 11 [2021-11-20 06:26:13,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:13,506 INFO L470 AbstractCegarLoop]: Abstraction has 1246 states and 1554 transitions. [2021-11-20 06:26:13,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1554 transitions. [2021-11-20 06:26:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 06:26:13,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:13,508 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:13,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-20 06:26:13,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:13,719 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr529ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:13,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:13,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1242933253, now seen corresponding path program 1 times [2021-11-20 06:26:13,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:13,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541549596] [2021-11-20 06:26:13,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:13,721 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:13,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:13,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 06:26:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:13,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:26:13,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:13,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:26:13,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:26:13,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 06:26:13,953 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-20 06:26:13,954 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 [2021-11-20 06:26:14,024 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-20 06:26:14,025 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 [2021-11-20 06:26:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:14,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:14,134 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:14,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541549596] [2021-11-20 06:26:14,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541549596] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:14,134 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:14,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 06:26:14,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113107749] [2021-11-20 06:26:14,135 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:14,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:14,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:14,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:14,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:14,136 INFO L87 Difference]: Start difference. First operand 1246 states and 1554 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:15,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:15,620 INFO L93 Difference]: Finished difference Result 1602 states and 1969 transitions. [2021-11-20 06:26:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:26:15,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-20 06:26:15,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:15,628 INFO L225 Difference]: With dead ends: 1602 [2021-11-20 06:26:15,628 INFO L226 Difference]: Without dead ends: 1602 [2021-11-20 06:26:15,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:26:15,629 INFO L933 BasicCegarLoop]: 967 mSDtfsCounter, 708 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 2792 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:15,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [708 Valid, 2792 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-20 06:26:15,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2021-11-20 06:26:15,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1245. [2021-11-20 06:26:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 796 states have (on average 1.9422110552763818) internal successors, (1546), 1240 states have internal predecessors, (1546), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1552 transitions. [2021-11-20 06:26:15,664 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1552 transitions. Word has length 12 [2021-11-20 06:26:15,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:15,664 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 1552 transitions. [2021-11-20 06:26:15,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1552 transitions. [2021-11-20 06:26:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-20 06:26:15,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:15,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:15,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:15,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:15,877 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:15,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:15,878 INFO L85 PathProgramCache]: Analyzing trace with hash -344619170, now seen corresponding path program 1 times [2021-11-20 06:26:15,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:15,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027483888] [2021-11-20 06:26:15,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:15,881 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:15,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:15,882 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:15,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 06:26:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:16,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:26:16,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:16,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:16,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:16,117 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:16,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027483888] [2021-11-20 06:26:16,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027483888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:16,118 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:16,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 06:26:16,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558040314] [2021-11-20 06:26:16,118 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:16,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:26:16,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:16,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:26:16,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:26:16,120 INFO L87 Difference]: Start difference. First operand 1245 states and 1552 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) [2021-11-20 06:26:16,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:16,163 INFO L93 Difference]: Finished difference Result 1185 states and 1466 transitions. [2021-11-20 06:26:16,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:26:16,164 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 [2021-11-20 06:26:16,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:16,170 INFO L225 Difference]: With dead ends: 1185 [2021-11-20 06:26:16,170 INFO L226 Difference]: Without dead ends: 1185 [2021-11-20 06:26:16,171 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 [2021-11-20 06:26:16,172 INFO L933 BasicCegarLoop]: 973 mSDtfsCounter, 1914 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:16,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1917 Valid, 995 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:26:16,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2021-11-20 06:26:16,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2021-11-20 06:26:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 760 states have (on average 1.9210526315789473) internal successors, (1460), 1180 states have internal predecessors, (1460), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1466 transitions. [2021-11-20 06:26:16,205 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1466 transitions. Word has length 18 [2021-11-20 06:26:16,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:16,205 INFO L470 AbstractCegarLoop]: Abstraction has 1185 states and 1466 transitions. [2021-11-20 06:26:16,206 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) [2021-11-20 06:26:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1466 transitions. [2021-11-20 06:26:16,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 06:26:16,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:16,207 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] [2021-11-20 06:26:16,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:16,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:16,419 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:16,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:16,421 INFO L85 PathProgramCache]: Analyzing trace with hash -466544200, now seen corresponding path program 1 times [2021-11-20 06:26:16,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:16,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005892972] [2021-11-20 06:26:16,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:16,422 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:16,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:16,423 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:16,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 06:26:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:16,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:26:16,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:16,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:16,681 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:16,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005892972] [2021-11-20 06:26:16,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005892972] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:16,681 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:16,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-20 06:26:16,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976486008] [2021-11-20 06:26:16,681 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:16,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:26:16,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:16,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:26:16,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:26:16,682 INFO L87 Difference]: Start difference. First operand 1185 states and 1466 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) [2021-11-20 06:26:16,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:16,760 INFO L93 Difference]: Finished difference Result 1157 states and 1410 transitions. [2021-11-20 06:26:16,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:26:16,762 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 [2021-11-20 06:26:16,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:16,768 INFO L225 Difference]: With dead ends: 1157 [2021-11-20 06:26:16,768 INFO L226 Difference]: Without dead ends: 1157 [2021-11-20 06:26:16,769 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 [2021-11-20 06:26:16,769 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 1846 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:16,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 1871 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:26:16,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-11-20 06:26:16,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1155. [2021-11-20 06:26:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 744 states have (on average 1.8844086021505377) internal successors, (1402), 1150 states have internal predecessors, (1402), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1408 transitions. [2021-11-20 06:26:16,805 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1408 transitions. Word has length 20 [2021-11-20 06:26:16,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:16,806 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 1408 transitions. [2021-11-20 06:26:16,806 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) [2021-11-20 06:26:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1408 transitions. [2021-11-20 06:26:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 06:26:16,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:16,807 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] [2021-11-20 06:26:16,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:17,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:17,034 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:17,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:17,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2117531686, now seen corresponding path program 1 times [2021-11-20 06:26:17,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:17,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019981069] [2021-11-20 06:26:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:17,035 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:17,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:17,036 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:17,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 06:26:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:17,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:26:17,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:17,202 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 [2021-11-20 06:26:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:17,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:17,465 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:17,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019981069] [2021-11-20 06:26:17,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019981069] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:17,465 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:17,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 06:26:17,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233455636] [2021-11-20 06:26:17,465 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:17,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:26:17,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:17,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:26:17,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:26:17,467 INFO L87 Difference]: Start difference. First operand 1155 states and 1408 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) [2021-11-20 06:26:19,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:19,536 INFO L93 Difference]: Finished difference Result 1618 states and 1991 transitions. [2021-11-20 06:26:19,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:26:19,538 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 [2021-11-20 06:26:19,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:19,544 INFO L225 Difference]: With dead ends: 1618 [2021-11-20 06:26:19,544 INFO L226 Difference]: Without dead ends: 1618 [2021-11-20 06:26:19,544 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 [2021-11-20 06:26:19,545 INFO L933 BasicCegarLoop]: 491 mSDtfsCounter, 1684 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:19,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1684 Valid, 1009 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 06:26:19,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2021-11-20 06:26:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1151. [2021-11-20 06:26:19,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 744 states have (on average 1.8736559139784945) internal successors, (1394), 1146 states have internal predecessors, (1394), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1400 transitions. [2021-11-20 06:26:19,573 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1400 transitions. Word has length 34 [2021-11-20 06:26:19,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:19,574 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 1400 transitions. [2021-11-20 06:26:19,574 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) [2021-11-20 06:26:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1400 transitions. [2021-11-20 06:26:19,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 06:26:19,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:19,576 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] [2021-11-20 06:26:19,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:19,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:19,787 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:19,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash 2117531687, now seen corresponding path program 1 times [2021-11-20 06:26:19,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:19,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447805289] [2021-11-20 06:26:19,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:19,788 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:19,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:19,790 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:19,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 06:26:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:19,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:19,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:19,968 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 [2021-11-20 06:26:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:20,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:20,713 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:20,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447805289] [2021-11-20 06:26:20,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447805289] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:20,714 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:20,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-20 06:26:20,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647903115] [2021-11-20 06:26:20,714 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:20,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:20,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:20,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:20,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:20,716 INFO L87 Difference]: Start difference. First operand 1151 states and 1400 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) [2021-11-20 06:26:26,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:26,868 INFO L93 Difference]: Finished difference Result 1751 states and 2146 transitions. [2021-11-20 06:26:26,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:26:26,869 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 [2021-11-20 06:26:26,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:26,876 INFO L225 Difference]: With dead ends: 1751 [2021-11-20 06:26:26,876 INFO L226 Difference]: Without dead ends: 1751 [2021-11-20 06:26:26,876 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 [2021-11-20 06:26:26,877 INFO L933 BasicCegarLoop]: 1151 mSDtfsCounter, 1825 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:26,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1825 Valid, 2395 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-11-20 06:26:26,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2021-11-20 06:26:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1147. [2021-11-20 06:26:26,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 744 states have (on average 1.8629032258064515) internal successors, (1386), 1142 states have internal predecessors, (1386), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1392 transitions. [2021-11-20 06:26:26,904 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1392 transitions. Word has length 34 [2021-11-20 06:26:26,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:26,905 INFO L470 AbstractCegarLoop]: Abstraction has 1147 states and 1392 transitions. [2021-11-20 06:26:26,905 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) [2021-11-20 06:26:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1392 transitions. [2021-11-20 06:26:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 06:26:26,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:26,907 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] [2021-11-20 06:26:26,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-20 06:26:27,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:27,119 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:27,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:27,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1509555205, now seen corresponding path program 1 times [2021-11-20 06:26:27,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:27,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216078357] [2021-11-20 06:26:27,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:27,120 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:27,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:27,121 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:27,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 06:26:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:27,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:26:27,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:27,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:27,597 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:27,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216078357] [2021-11-20 06:26:27,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216078357] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:27,598 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:27,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 06:26:27,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561978859] [2021-11-20 06:26:27,598 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:27,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:26:27,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:27,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:26:27,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:26:27,599 INFO L87 Difference]: Start difference. First operand 1147 states and 1392 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) [2021-11-20 06:26:27,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:27,665 INFO L93 Difference]: Finished difference Result 1135 states and 1372 transitions. [2021-11-20 06:26:27,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:26:27,666 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 [2021-11-20 06:26:27,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:27,672 INFO L225 Difference]: With dead ends: 1135 [2021-11-20 06:26:27,672 INFO L226 Difference]: Without dead ends: 1135 [2021-11-20 06:26:27,672 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 [2021-11-20 06:26:27,673 INFO L933 BasicCegarLoop]: 922 mSDtfsCounter, 904 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:27,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [907 Valid, 1849 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:26:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2021-11-20 06:26:27,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1135. [2021-11-20 06:26:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 732 states have (on average 1.866120218579235) internal successors, (1366), 1130 states have internal predecessors, (1366), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1372 transitions. [2021-11-20 06:26:27,701 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1372 transitions. Word has length 52 [2021-11-20 06:26:27,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:27,701 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 1372 transitions. [2021-11-20 06:26:27,701 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) [2021-11-20 06:26:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1372 transitions. [2021-11-20 06:26:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-20 06:26:27,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:27,705 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] [2021-11-20 06:26:27,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:27,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:27,921 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:27,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:27,922 INFO L85 PathProgramCache]: Analyzing trace with hash -881686959, now seen corresponding path program 1 times [2021-11-20 06:26:27,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:27,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928534938] [2021-11-20 06:26:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:27,923 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:27,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:27,924 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:27,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 06:26:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:28,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:26:28,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:28,241 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 [2021-11-20 06:26:28,247 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 [2021-11-20 06:26:29,014 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:26:29,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2021-11-20 06:26:29,022 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 06:26:29,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2021-11-20 06:26:29,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:29,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:34,285 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:34,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928534938] [2021-11-20 06:26:34,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928534938] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:34,285 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:34,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-20 06:26:34,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488986294] [2021-11-20 06:26:34,286 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:34,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:34,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:34,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:34,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-20 06:26:34,287 INFO L87 Difference]: Start difference. First operand 1135 states and 1372 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) [2021-11-20 06:26:39,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:39,332 INFO L93 Difference]: Finished difference Result 1746 states and 2081 transitions. [2021-11-20 06:26:39,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:26:39,333 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 [2021-11-20 06:26:39,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:39,340 INFO L225 Difference]: With dead ends: 1746 [2021-11-20 06:26:39,340 INFO L226 Difference]: Without dead ends: 1746 [2021-11-20 06:26:39,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-11-20 06:26:39,341 INFO L933 BasicCegarLoop]: 681 mSDtfsCounter, 2212 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 1575 SdHoareTripleChecker+Invalid, 2939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1470 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:39,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2216 Valid, 1575 Invalid, 2939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1426 Invalid, 0 Unknown, 1470 Unchecked, 5.0s Time] [2021-11-20 06:26:39,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2021-11-20 06:26:39,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1113. [2021-11-20 06:26:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 742 states have (on average 1.8221024258760108) internal successors, (1352), 1108 states have internal predecessors, (1352), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1358 transitions. [2021-11-20 06:26:39,365 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1358 transitions. Word has length 60 [2021-11-20 06:26:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:39,366 INFO L470 AbstractCegarLoop]: Abstraction has 1113 states and 1358 transitions. [2021-11-20 06:26:39,366 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) [2021-11-20 06:26:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1358 transitions. [2021-11-20 06:26:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 06:26:39,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:39,368 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] [2021-11-20 06:26:39,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:39,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:39,582 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr73REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:39,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:39,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1192602638, now seen corresponding path program 1 times [2021-11-20 06:26:39,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:39,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382848193] [2021-11-20 06:26:39,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:39,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:39,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:39,584 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:39,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 06:26:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:39,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:26:39,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:39,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:39,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:40,019 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 [2021-11-20 06:26:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:40,275 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:40,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382848193] [2021-11-20 06:26:40,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382848193] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:40,275 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:40,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-20 06:26:40,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528239384] [2021-11-20 06:26:40,276 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:40,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:40,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:40,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:40,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:40,277 INFO L87 Difference]: Start difference. First operand 1113 states and 1358 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) [2021-11-20 06:26:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:42,043 INFO L93 Difference]: Finished difference Result 1111 states and 1356 transitions. [2021-11-20 06:26:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:26:42,045 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 [2021-11-20 06:26:42,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:42,050 INFO L225 Difference]: With dead ends: 1111 [2021-11-20 06:26:42,050 INFO L226 Difference]: Without dead ends: 1111 [2021-11-20 06:26:42,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:42,054 INFO L933 BasicCegarLoop]: 481 mSDtfsCounter, 1732 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:42,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1735 Valid, 505 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-20 06:26:42,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2021-11-20 06:26:42,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 1111. [2021-11-20 06:26:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 742 states have (on average 1.8194070080862534) internal successors, (1350), 1106 states have internal predecessors, (1350), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1356 transitions. [2021-11-20 06:26:42,076 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1356 transitions. Word has length 62 [2021-11-20 06:26:42,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:42,077 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 1356 transitions. [2021-11-20 06:26:42,077 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) [2021-11-20 06:26:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1356 transitions. [2021-11-20 06:26:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 06:26:42,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:42,079 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] [2021-11-20 06:26:42,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:42,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:42,293 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr76REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:42,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash -855470841, now seen corresponding path program 1 times [2021-11-20 06:26:42,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:42,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325644144] [2021-11-20 06:26:42,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:42,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:42,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:42,295 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:42,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 06:26:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:42,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:26:42,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:42,655 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 [2021-11-20 06:26:42,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-11-20 06:26:42,704 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 [2021-11-20 06:26:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:42,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:42,832 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:42,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325644144] [2021-11-20 06:26:42,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325644144] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:42,832 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:42,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 06:26:42,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577623083] [2021-11-20 06:26:42,833 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:42,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:26:42,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:42,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:26:42,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:26:42,833 INFO L87 Difference]: Start difference. First operand 1111 states and 1356 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:45,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:45,432 INFO L93 Difference]: Finished difference Result 1110 states and 1355 transitions. [2021-11-20 06:26:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:26:45,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-20 06:26:45,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:45,437 INFO L225 Difference]: With dead ends: 1110 [2021-11-20 06:26:45,437 INFO L226 Difference]: Without dead ends: 1110 [2021-11-20 06:26:45,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:26:45,438 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 4 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2257 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:45,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 2257 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 06:26:45,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2021-11-20 06:26:45,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2021-11-20 06:26:45,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 742 states have (on average 1.8180592991913747) internal successors, (1349), 1105 states have internal predecessors, (1349), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1355 transitions. [2021-11-20 06:26:45,456 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1355 transitions. Word has length 65 [2021-11-20 06:26:45,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:45,456 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1355 transitions. [2021-11-20 06:26:45,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1355 transitions. [2021-11-20 06:26:45,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 06:26:45,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:45,458 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] [2021-11-20 06:26:45,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:45,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:45,671 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr77REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:45,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:45,672 INFO L85 PathProgramCache]: Analyzing trace with hash -855470840, now seen corresponding path program 1 times [2021-11-20 06:26:45,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:45,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382458869] [2021-11-20 06:26:45,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:45,673 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:45,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:45,674 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:45,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-20 06:26:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:45,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:26:45,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:45,985 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 [2021-11-20 06:26:46,025 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 [2021-11-20 06:26:46,033 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 [2021-11-20 06:26:46,099 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 [2021-11-20 06:26:46,102 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 [2021-11-20 06:26:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:46,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:46,385 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:46,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382458869] [2021-11-20 06:26:46,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [382458869] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:46,385 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:46,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-20 06:26:46,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123437885] [2021-11-20 06:26:46,386 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:46,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:26:46,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:46,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:26:46,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:26:46,387 INFO L87 Difference]: Start difference. First operand 1110 states and 1355 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:54,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:54,571 INFO L93 Difference]: Finished difference Result 1109 states and 1354 transitions. [2021-11-20 06:26:54,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:26:54,572 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 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 65 [2021-11-20 06:26:54,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:54,581 INFO L225 Difference]: With dead ends: 1109 [2021-11-20 06:26:54,581 INFO L226 Difference]: Without dead ends: 1109 [2021-11-20 06:26:54,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:26:54,582 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 2 mSDsluCounter, 2327 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:54,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 3213 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-11-20 06:26:54,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2021-11-20 06:26:54,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2021-11-20 06:26:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 741 states have (on average 1.8191632928475034) internal successors, (1348), 1104 states have internal predecessors, (1348), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 06:26:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1354 transitions. [2021-11-20 06:26:54,600 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1354 transitions. Word has length 65 [2021-11-20 06:26:54,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:54,601 INFO L470 AbstractCegarLoop]: Abstraction has 1109 states and 1354 transitions. [2021-11-20 06:26:54,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1354 transitions. [2021-11-20 06:26:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-20 06:26:54,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:54,603 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, 1, 1] [2021-11-20 06:26:54,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:54,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:54,817 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:54,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:54,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1702947151, now seen corresponding path program 1 times [2021-11-20 06:26:54,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:54,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318064257] [2021-11-20 06:26:54,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:54,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:54,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:54,819 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:54,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-20 06:26:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:55,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:26:55,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:55,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:55,276 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:55,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318064257] [2021-11-20 06:26:55,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318064257] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:55,276 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:55,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 06:26:55,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935591837] [2021-11-20 06:26:55,277 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:55,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:55,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:55,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:55,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:55,278 INFO L87 Difference]: Start difference. First operand 1109 states and 1354 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:26:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:55,368 INFO L93 Difference]: Finished difference Result 1119 states and 1367 transitions. [2021-11-20 06:26:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:26:55,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 73 [2021-11-20 06:26:55,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:55,376 INFO L225 Difference]: With dead ends: 1119 [2021-11-20 06:26:55,376 INFO L226 Difference]: Without dead ends: 1119 [2021-11-20 06:26:55,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:26:55,377 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 11 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:55,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 1773 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:26:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2021-11-20 06:26:55,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1119. [2021-11-20 06:26:55,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 749 states have (on average 1.8157543391188251) internal successors, (1360), 1113 states have internal predecessors, (1360), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:26:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1367 transitions. [2021-11-20 06:26:55,416 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1367 transitions. Word has length 73 [2021-11-20 06:26:55,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:55,417 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 1367 transitions. [2021-11-20 06:26:55,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:26:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1367 transitions. [2021-11-20 06:26:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 06:26:55,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:55,418 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, 1, 1] [2021-11-20 06:26:55,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:55,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:55,639 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:55,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:55,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1510574161, now seen corresponding path program 1 times [2021-11-20 06:26:55,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:55,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337769174] [2021-11-20 06:26:55,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:55,640 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:55,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:55,642 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:55,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-20 06:26:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:55,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:55,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:56,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:56,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:56,257 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:56,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337769174] [2021-11-20 06:26:56,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337769174] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:26:56,257 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:26:56,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-20 06:26:56,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750122342] [2021-11-20 06:26:56,257 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:26:56,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:26:56,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:56,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:26:56,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:26:56,259 INFO L87 Difference]: Start difference. First operand 1119 states and 1367 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:26:56,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:56,596 INFO L93 Difference]: Finished difference Result 1133 states and 1385 transitions. [2021-11-20 06:26:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 06:26:56,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75 [2021-11-20 06:26:56,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:56,602 INFO L225 Difference]: With dead ends: 1133 [2021-11-20 06:26:56,602 INFO L226 Difference]: Without dead ends: 1129 [2021-11-20 06:26:56,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:26:56,604 INFO L933 BasicCegarLoop]: 888 mSDtfsCounter, 31 mSDsluCounter, 2655 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:56,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 3543 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:26:56,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2021-11-20 06:26:56,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1125. [2021-11-20 06:26:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 755 states have (on average 1.8119205298013246) internal successors, (1368), 1119 states have internal predecessors, (1368), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:26:56,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1375 transitions. [2021-11-20 06:26:56,627 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1375 transitions. Word has length 75 [2021-11-20 06:26:56,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:56,627 INFO L470 AbstractCegarLoop]: Abstraction has 1125 states and 1375 transitions. [2021-11-20 06:26:56,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:26:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1375 transitions. [2021-11-20 06:26:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-20 06:26:56,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:56,629 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, 1, 1] [2021-11-20 06:26:56,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:56,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:56,842 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:56,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:56,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1938377839, now seen corresponding path program 2 times [2021-11-20 06:26:56,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:56,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261356398] [2021-11-20 06:26:56,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:26:56,843 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:56,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:56,844 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:56,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-20 06:26:57,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:26:57,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:26:57,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:26:57,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:57,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:57,917 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:26:57,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261356398] [2021-11-20 06:26:57,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261356398] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:26:57,917 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:26:57,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-20 06:26:57,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597175806] [2021-11-20 06:26:57,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:26:57,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 06:26:57,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:26:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 06:26:57,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:26:57,919 INFO L87 Difference]: Start difference. First operand 1125 states and 1375 transitions. Second operand has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 18 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:26:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:26:59,260 INFO L93 Difference]: Finished difference Result 1153 states and 1413 transitions. [2021-11-20 06:26:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 06:26:59,261 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 18 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 79 [2021-11-20 06:26:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:26:59,268 INFO L225 Difference]: With dead ends: 1153 [2021-11-20 06:26:59,268 INFO L226 Difference]: Without dead ends: 1149 [2021-11-20 06:26:59,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=457, Invalid=949, Unknown=0, NotChecked=0, Total=1406 [2021-11-20 06:26:59,269 INFO L933 BasicCegarLoop]: 892 mSDtfsCounter, 92 mSDsluCounter, 6220 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 7112 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:26:59,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 7112 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 06:26:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2021-11-20 06:26:59,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1137. [2021-11-20 06:26:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 767 states have (on average 1.8044328552803128) internal successors, (1384), 1131 states have internal predecessors, (1384), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:26:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1391 transitions. [2021-11-20 06:26:59,293 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1391 transitions. Word has length 79 [2021-11-20 06:26:59,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:26:59,293 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 1391 transitions. [2021-11-20 06:26:59,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 18 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:26:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1391 transitions. [2021-11-20 06:26:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-20 06:26:59,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:26:59,294 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, 1, 1] [2021-11-20 06:26:59,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:59,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:26:59,510 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:26:59,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:59,510 INFO L85 PathProgramCache]: Analyzing trace with hash -654977553, now seen corresponding path program 3 times [2021-11-20 06:26:59,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:26:59,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272958382] [2021-11-20 06:26:59,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:26:59,511 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:26:59,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:26:59,512 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:26:59,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-20 06:27:00,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-20 06:27:00,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:27:00,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-20 06:27:00,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:27:00,646 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:00,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:27:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:02,257 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:27:02,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1272958382] [2021-11-20 06:27:02,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1272958382] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:27:02,257 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:27:02,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2021-11-20 06:27:02,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856076306] [2021-11-20 06:27:02,258 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:27:02,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-20 06:27:02,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:27:02,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-20 06:27:02,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2021-11-20 06:27:02,260 INFO L87 Difference]: Start difference. First operand 1137 states and 1391 transitions. Second operand has 34 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:27:09,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:27:09,830 INFO L93 Difference]: Finished difference Result 1193 states and 1475 transitions. [2021-11-20 06:27:09,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-20 06:27:09,831 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 87 [2021-11-20 06:27:09,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:27:09,838 INFO L225 Difference]: With dead ends: 1193 [2021-11-20 06:27:09,838 INFO L226 Difference]: Without dead ends: 1187 [2021-11-20 06:27:09,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1377, Invalid=2783, Unknown=0, NotChecked=0, Total=4160 [2021-11-20 06:27:09,840 INFO L933 BasicCegarLoop]: 899 mSDtfsCounter, 252 mSDsluCounter, 13426 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 14325 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:27:09,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 14325 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 06:27:09,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2021-11-20 06:27:09,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1161. [2021-11-20 06:27:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 791 states have (on average 1.7888748419721872) internal successors, (1415), 1155 states have internal predecessors, (1415), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:27:09,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1422 transitions. [2021-11-20 06:27:09,864 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1422 transitions. Word has length 87 [2021-11-20 06:27:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:27:09,865 INFO L470 AbstractCegarLoop]: Abstraction has 1161 states and 1422 transitions. [2021-11-20 06:27:09,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:27:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1422 transitions. [2021-11-20 06:27:09,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 06:27:09,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:27:09,866 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, 1, 1] [2021-11-20 06:27:09,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-11-20 06:27:10,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:27:10,083 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:27:10,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:10,083 INFO L85 PathProgramCache]: Analyzing trace with hash 506095855, now seen corresponding path program 4 times [2021-11-20 06:27:10,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:27:10,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152813211] [2021-11-20 06:27:10,084 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 06:27:10,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:27:10,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:27:10,085 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:27:10,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-20 06:27:10,372 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 06:27:10,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:27:10,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-20 06:27:10,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:27:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:11,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:27:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:27:15,760 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:27:15,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152813211] [2021-11-20 06:27:15,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152813211] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:27:15,760 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:27:15,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2021-11-20 06:27:15,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601649587] [2021-11-20 06:27:15,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:27:15,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-20 06:27:15,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:27:15,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-20 06:27:15,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1000, Invalid=3290, Unknown=0, NotChecked=0, Total=4290 [2021-11-20 06:27:15,764 INFO L87 Difference]: Start difference. First operand 1161 states and 1422 transitions. Second operand has 66 states, 66 states have (on average 2.0303030303030303) internal successors, (134), 66 states have internal predecessors, (134), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:27:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:27:29,883 INFO L93 Difference]: Finished difference Result 1253 states and 1542 transitions. [2021-11-20 06:27:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-11-20 06:27:29,884 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0303030303030303) internal successors, (134), 66 states have internal predecessors, (134), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2021-11-20 06:27:29,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:27:29,894 INFO L225 Difference]: With dead ends: 1253 [2021-11-20 06:27:29,894 INFO L226 Difference]: Without dead ends: 1249 [2021-11-20 06:27:29,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2313 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=4503, Invalid=14679, Unknown=0, NotChecked=0, Total=19182 [2021-11-20 06:27:29,901 INFO L933 BasicCegarLoop]: 915 mSDtfsCounter, 270 mSDsluCounter, 28245 mSDsCounter, 0 mSdLazyCounter, 4041 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 29160 SdHoareTripleChecker+Invalid, 4512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 4041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:27:29,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 29160 Invalid, 4512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 4041 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-11-20 06:27:29,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2021-11-20 06:27:29,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1191. [2021-11-20 06:27:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 821 states have (on average 1.779537149817296) internal successors, (1461), 1185 states have internal predecessors, (1461), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 06:27:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1468 transitions. [2021-11-20 06:27:29,932 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1468 transitions. Word has length 103 [2021-11-20 06:27:29,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:27:29,932 INFO L470 AbstractCegarLoop]: Abstraction has 1191 states and 1468 transitions. [2021-11-20 06:27:29,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0303030303030303) internal successors, (134), 66 states have internal predecessors, (134), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:27:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1468 transitions. [2021-11-20 06:27:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-20 06:27:29,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:27:29,934 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, 1, 1] [2021-11-20 06:27:29,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:27:30,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:27:30,151 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr81REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 526 more)] === [2021-11-20 06:27:30,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:30,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1195934321, now seen corresponding path program 5 times [2021-11-20 06:27:30,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:27:30,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501223439] [2021-11-20 06:27:30,152 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-20 06:27:30,152 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:27:30,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:27:30,153 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:27:30,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa811f-d6be-47e8-89a0-59316c8812df/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-20 06:27:31,161 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-20 06:27:31,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:27:31,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-20 06:27:31,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:27:31,212 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 [2021-11-20 06:27:31,733 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 06:27:31,733 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 15 treesize of output 15 [2021-11-20 06:27:31,748 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 [2021-11-20 06:27:31,796 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 [2021-11-20 06:27:31,817 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 [2021-11-20 06:27:32,018 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 17 [2021-11-20 06:27:32,023 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 17 treesize of output 13 [2021-11-20 06:34:17,596 WARN L227 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:36:51,537 WARN L227 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:36:58,147 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_#Ultimate.C_memset_#t~loopctr231_191| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_190| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_186| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_185| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_188| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_187| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_182| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_193| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_181| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_192| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_184| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_195| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_183| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_194| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_189| (_ BitVec 32))) (let ((.cse0 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_181|)) (.cse1 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_182|)) (.cse2 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_183|)) (.cse3 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_184|)) (.cse4 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_185|)) (.cse5 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_186|)) (.cse6 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_187|)) (.cse7 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_188|)) (.cse8 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_189|)) (.cse9 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_190|)) (.cse10 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_191|)) (.cse11 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_192|)) (.cse12 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_193|)) (.cse13 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_194|)) (.cse14 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_195|))) (and (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 (_ bv0 32)) .cse1 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32)) .cse7 (_ bv0 32)) .cse8 (_ bv0 32)) .cse9 (_ bv0 32)) .cse10 (_ bv0 32)) .cse11 (_ bv0 32)) .cse12 (_ bv0 32)) .cse13 (_ bv0 32)) .cse14 (_ bv0 32))) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) |c_#Ultimate.C_memset_#value|)))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 .cse15) .cse1 .cse15) .cse2 .cse15) .cse3 .cse15) .cse4 .cse15) .cse5 .cse15) .cse6 .cse15) .cse7 .cse15) .cse8 .cse15) .cse9 .cse15) .cse10 .cse15) .cse11 .cse15) .cse12 .cse15) .cse13 .cse15) .cse14 .cse15))))))) (exists ((v_arrayElimCell_14 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_14) (_ bv44 32)))) is different from false [2021-11-20 06:37:06,463 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_14 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_14) (_ bv44 32))) (exists ((|v_#Ultimate.C_memset_#t~loopctr231_191| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_190| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_186| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_185| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_196| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_188| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_187| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_182| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_193| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_181| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_192| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_184| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_195| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_183| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_194| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_189| (_ BitVec 32))) (let ((.cse0 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_181|)) (.cse1 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_182|)) (.cse2 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_183|)) (.cse3 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_184|)) (.cse4 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_185|)) (.cse5 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_186|)) (.cse6 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_187|)) (.cse7 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_188|)) (.cse8 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_189|)) (.cse9 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_190|)) (.cse10 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_191|)) (.cse11 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_192|)) (.cse12 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_193|)) (.cse13 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_194|)) (.cse14 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_195|)) (.cse15 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_196|))) (and (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 (_ bv0 32)) .cse1 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32)) .cse7 (_ bv0 32)) .cse8 (_ bv0 32)) .cse9 (_ bv0 32)) .cse10 (_ bv0 32)) .cse11 (_ bv0 32)) .cse12 (_ bv0 32)) .cse13 (_ bv0 32)) .cse14 (_ bv0 32)) .cse15 (_ bv0 32))) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) |c_#Ultimate.C_memset_#value|)))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 .cse16) .cse1 .cse16) .cse2 .cse16) .cse3 .cse16) .cse4 .cse16) .cse5 .cse16) .cse6 .cse16) .cse7 .cse16) .cse8 .cse16) .cse9 .cse16) .cse10 .cse16) .cse11 .cse16) .cse12 .cse16) .cse13 .cse16) .cse14 .cse16) .cse15 .cse16)))))))) is different from false [2021-11-20 06:38:33,708 WARN L227 SmtUtils]: Spent 7.44s on a formula simplification that was a NOOP. DAG size: 93 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 06:38:43,765 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_14 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_14) (_ bv44 32))) (exists ((|v_#Ultimate.C_memset_#t~loopctr231_191| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_190| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_186| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_197| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_185| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_196| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_188| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_187| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_198| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_182| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_193| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_181| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_192| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_184| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_195| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_183| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_194| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_189| (_ BitVec 32))) (let ((.cse0 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_181|)) (.cse2 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_182|)) (.cse3 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_183|)) (.cse4 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_184|)) (.cse5 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_185|)) (.cse6 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_186|)) (.cse7 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_187|)) (.cse8 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_188|)) (.cse9 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_189|)) (.cse10 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_190|)) (.cse11 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_191|)) (.cse12 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_192|)) (.cse13 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_193|)) (.cse14 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_194|)) (.cse15 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_195|)) (.cse16 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_196|)) (.cse17 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_197|)) (.cse18 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_198|))) (and (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_#Ultimate.C_memset_#value|)))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 .cse1) .cse2 .cse1) .cse3 .cse1) .cse4 .cse1) .cse5 .cse1) .cse6 .cse1) .cse7 .cse1) .cse8 .cse1) .cse9 .cse1) .cse10 .cse1) .cse11 .cse1) .cse12 .cse1) .cse13 .cse1) .cse14 .cse1) .cse15 .cse1) .cse16 .cse1) .cse17 .cse1) .cse18 .cse1))) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32)) .cse7 (_ bv0 32)) .cse8 (_ bv0 32)) .cse9 (_ bv0 32)) .cse10 (_ bv0 32)) .cse11 (_ bv0 32)) .cse12 (_ bv0 32)) .cse13 (_ bv0 32)) .cse14 (_ bv0 32)) .cse15 (_ bv0 32)) .cse16 (_ bv0 32)) .cse17 (_ bv0 32)) .cse18 (_ bv0 32)))))))) is different from false [2021-11-20 06:38:53,848 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_#Ultimate.C_memset_#t~loopctr231_191| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_190| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_186| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_197| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_185| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_196| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_188| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_199| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_187| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_198| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_182| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_193| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_181| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_192| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_184| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_195| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_183| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_194| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_189| (_ BitVec 32))) (let ((.cse0 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_181|)) (.cse2 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_182|)) (.cse3 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_183|)) (.cse4 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_184|)) (.cse5 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_185|)) (.cse6 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_186|)) (.cse7 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_187|)) (.cse8 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_188|)) (.cse9 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_189|)) (.cse10 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_190|)) (.cse11 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_191|)) (.cse12 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_192|)) (.cse13 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_193|)) (.cse14 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_194|)) (.cse15 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_195|)) (.cse16 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_196|)) (.cse17 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_197|)) (.cse18 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_198|)) (.cse19 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_199|))) (and (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) |c_#Ultimate.C_memset_#value|)))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 .cse1) .cse2 .cse1) .cse3 .cse1) .cse4 .cse1) .cse5 .cse1) .cse6 .cse1) .cse7 .cse1) .cse8 .cse1) .cse9 .cse1) .cse10 .cse1) .cse11 .cse1) .cse12 .cse1) .cse13 .cse1) .cse14 .cse1) .cse15 .cse1) .cse16 .cse1) .cse17 .cse1) .cse18 .cse1) .cse19 .cse1))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32)) .cse7 (_ bv0 32)) .cse8 (_ bv0 32)) .cse9 (_ bv0 32)) .cse10 (_ bv0 32)) .cse11 (_ bv0 32)) .cse12 (_ bv0 32)) .cse13 (_ bv0 32)) .cse14 (_ bv0 32)) .cse15 (_ bv0 32)) .cse16 (_ bv0 32)) .cse17 (_ bv0 32)) .cse18 (_ bv0 32)) .cse19 (_ bv0 32))) |c_#memory_$Pointer$.base|)))) (exists ((v_arrayElimCell_14 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_14) (_ bv44 32)))) is different from false [2021-11-20 06:39:02,442 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_14 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_14) (_ bv44 32))) (exists ((|v_#Ultimate.C_memset_#t~loopctr231_191| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_190| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_186| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_197| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_185| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_196| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_188| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_199| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_187| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_198| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_182| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_193| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_181| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_192| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_184| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_195| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_183| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_194| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_189| (_ BitVec 32)) (|v_#Ultimate.C_memset_#t~loopctr231_200| (_ BitVec 32))) (let ((.cse0 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_181|)) (.cse1 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_182|)) (.cse2 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_183|)) (.cse3 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_184|)) (.cse4 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_185|)) (.cse5 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_186|)) (.cse6 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_187|)) (.cse7 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_188|)) (.cse8 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_189|)) (.cse9 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_190|)) (.cse10 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_191|)) (.cse11 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_192|)) (.cse12 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_193|)) (.cse13 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_194|)) (.cse14 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_195|)) (.cse15 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_196|)) (.cse16 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_197|)) (.cse17 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_198|)) (.cse18 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_199|)) (.cse19 (bvadd |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr231_200|))) (and (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 (_ bv0 32)) .cse1 (_ bv0 32)) .cse2 (_ bv0 32)) .cse3 (_ bv0 32)) .cse4 (_ bv0 32)) .cse5 (_ bv0 32)) .cse6 (_ bv0 32)) .cse7 (_ bv0 32)) .cse8 (_ bv0 32)) .cse9 (_ bv0 32)) .cse10 (_ bv0 32)) .cse11 (_ bv0 32)) .cse12 (_ bv0 32)) .cse13 (_ bv0 32)) .cse14 (_ bv0 32)) .cse15 (_ bv0 32)) .cse16 (_ bv0 32)) .cse17 (_ bv0 32)) .cse18 (_ bv0 32)) .cse19 (_ bv0 32))) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) |c_#Ultimate.C_memset_#value|)))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base|) .cse0 .cse20) .cse1 .cse20) .cse2 .cse20) .cse3 .cse20) .cse4 .cse20) .cse5 .cse20) .cse6 .cse20) .cse7 .cse20) .cse8 .cse20) .cse9 .cse20) .cse10 .cse20) .cse11 .cse20) .cse12 .cse20) .cse13 .cse20) .cse14 .cse20) .cse15 .cse20) .cse16 .cse20) .cse17 .cse20) .cse18 .cse20) .cse19 .cse20)))))))) is different from false