./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:39:43,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:39:43,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:39:43,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:39:43,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:39:43,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:39:43,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:39:43,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:39:43,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:39:43,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:39:43,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:39:43,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:39:43,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:39:43,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:39:43,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:39:43,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:39:43,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:39:43,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:39:43,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:39:43,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:39:43,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:39:43,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:39:43,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:39:43,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:39:43,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:39:43,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:39:43,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:39:43,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:39:43,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:39:43,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:39:43,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:39:43,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:39:43,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:39:43,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:39:43,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:39:43,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:39:43,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:39:43,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:39:43,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:39:43,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:39:43,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:39:43,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:39:43,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:39:43,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:39:43,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:39:43,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:39:43,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:39:43,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:39:43,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:39:43,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:39:43,946 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:39:43,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:39:43,947 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:39:43,947 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:39:43,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:39:43,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:39:43,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:39:43,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:39:43,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:39:43,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:39:43,948 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:39:43,949 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:39:43,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:39:43,949 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:39:43,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:39:43,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:39:43,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:39:43,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:39:43,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:39:43,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:39:43,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:39:43,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:39:43,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:39:43,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:39:43,952 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:39:43,952 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:39:43,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:39:43,953 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 [2022-11-18 20:39:44,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:39:44,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:39:44,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:39:44,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:39:44,287 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:39:44,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2022-11-18 20:39:44,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/data/ccdf2caba/033ae9b5ce004942a4865ee0634ddce1/FLAG66f1c40a6 [2022-11-18 20:39:45,026 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:39:45,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2022-11-18 20:39:45,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/data/ccdf2caba/033ae9b5ce004942a4865ee0634ddce1/FLAG66f1c40a6 [2022-11-18 20:39:45,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/data/ccdf2caba/033ae9b5ce004942a4865ee0634ddce1 [2022-11-18 20:39:45,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:39:45,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:39:45,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:39:45,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:39:45,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:39:45,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b952831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45, skipping insertion in model container [2022-11-18 20:39:45,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:39:45,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:39:45,647 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2022-11-18 20:39:45,654 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2022-11-18 20:39:45,664 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2022-11-18 20:39:45,669 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2022-11-18 20:39:45,670 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2022-11-18 20:39:45,673 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2022-11-18 20:39:45,675 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2022-11-18 20:39:45,677 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2022-11-18 20:39:45,679 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2022-11-18 20:39:45,682 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2022-11-18 20:39:45,684 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4306,4319] [2022-11-18 20:39:45,686 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2022-11-18 20:39:45,688 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2022-11-18 20:39:45,690 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2022-11-18 20:39:45,692 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2022-11-18 20:39:45,694 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2022-11-18 20:39:45,695 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2022-11-18 20:39:45,697 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] [2022-11-18 20:39:45,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:39:45,708 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:39:45,723 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2022-11-18 20:39:45,725 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2022-11-18 20:39:45,727 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2022-11-18 20:39:45,729 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2022-11-18 20:39:45,730 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2022-11-18 20:39:45,732 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2022-11-18 20:39:45,733 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2022-11-18 20:39:45,735 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2022-11-18 20:39:45,736 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2022-11-18 20:39:45,739 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2022-11-18 20:39:45,740 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4306,4319] [2022-11-18 20:39:45,742 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2022-11-18 20:39:45,744 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2022-11-18 20:39:45,745 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2022-11-18 20:39:45,746 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2022-11-18 20:39:45,748 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2022-11-18 20:39:45,749 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2022-11-18 20:39:45,750 WARN L234 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_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] [2022-11-18 20:39:45,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:39:45,765 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:39:45,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45 WrapperNode [2022-11-18 20:39:45,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:39:45,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:39:45,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:39:45,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:39:45,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,809 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 254 [2022-11-18 20:39:45,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:39:45,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:39:45,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:39:45,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:39:45,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:39:45,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:39:45,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:39:45,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:39:45,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (1/1) ... [2022-11-18 20:39:45,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:39:45,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:45,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:45,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:39:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:39:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:39:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:39:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:39:46,029 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:39:46,031 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:39:46,319 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:39:46,340 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:39:46,341 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:39:46,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:46 BoogieIcfgContainer [2022-11-18 20:39:46,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:39:46,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:39:46,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:39:46,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:39:46,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:39:45" (1/3) ... [2022-11-18 20:39:46,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9aec9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:39:46, skipping insertion in model container [2022-11-18 20:39:46,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:39:45" (2/3) ... [2022-11-18 20:39:46,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9aec9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:39:46, skipping insertion in model container [2022-11-18 20:39:46,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:46" (3/3) ... [2022-11-18 20:39:46,357 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2022-11-18 20:39:46,377 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:39:46,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-18 20:39:46,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:39:46,480 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a55fe82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:39:46,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-18 20:39:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 48 states have (on average 1.8333333333333333) internal successors, (88), 58 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 20:39:46,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:46,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 20:39:46,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:46,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:46,504 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-11-18 20:39:46,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:46,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515851828] [2022-11-18 20:39:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:46,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:46,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515851828] [2022-11-18 20:39:46,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515851828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:46,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:46,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:39:46,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538029930] [2022-11-18 20:39:46,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:46,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:39:46,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:46,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:39:46,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:39:46,857 INFO L87 Difference]: Start difference. First operand has 59 states, 48 states have (on average 1.8333333333333333) internal successors, (88), 58 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:46,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:46,947 INFO L93 Difference]: Finished difference Result 62 states and 90 transitions. [2022-11-18 20:39:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:39:46,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-18 20:39:46,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:46,960 INFO L225 Difference]: With dead ends: 62 [2022-11-18 20:39:46,960 INFO L226 Difference]: Without dead ends: 46 [2022-11-18 20:39:46,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:39:46,967 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 65 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:46,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 47 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:39:46,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-18 20:39:47,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-18 20:39:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2022-11-18 20:39:47,011 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 4 [2022-11-18 20:39:47,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:47,012 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2022-11-18 20:39:47,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-11-18 20:39:47,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 20:39:47,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:47,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 20:39:47,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:39:47,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:47,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:47,015 INFO L85 PathProgramCache]: Analyzing trace with hash 28693763, now seen corresponding path program 1 times [2022-11-18 20:39:47,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:47,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596952599] [2022-11-18 20:39:47,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:47,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:47,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:47,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596952599] [2022-11-18 20:39:47,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596952599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:47,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:47,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:39:47,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105364442] [2022-11-18 20:39:47,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:47,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:39:47,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:47,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:39:47,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:39:47,091 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:47,121 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-11-18 20:39:47,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:39:47,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-18 20:39:47,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:47,123 INFO L225 Difference]: With dead ends: 46 [2022-11-18 20:39:47,123 INFO L226 Difference]: Without dead ends: 45 [2022-11-18 20:39:47,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:39:47,125 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:47,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:39:47,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-18 20:39:47,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-18 20:39:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 44 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-11-18 20:39:47,133 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 5 [2022-11-18 20:39:47,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:47,134 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-11-18 20:39:47,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-11-18 20:39:47,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:39:47,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:47,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:47,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:39:47,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:47,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:47,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1581722771, now seen corresponding path program 1 times [2022-11-18 20:39:47,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:47,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961166105] [2022-11-18 20:39:47,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:47,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:47,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:47,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961166105] [2022-11-18 20:39:47,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961166105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:47,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:47,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:39:47,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035541469] [2022-11-18 20:39:47,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:47,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:39:47,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:47,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:39:47,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:39:47,229 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:47,310 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2022-11-18 20:39:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:39:47,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-18 20:39:47,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:47,312 INFO L225 Difference]: With dead ends: 55 [2022-11-18 20:39:47,312 INFO L226 Difference]: Without dead ends: 51 [2022-11-18 20:39:47,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:39:47,315 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:47,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 45 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:39:47,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-18 20:39:47,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-18 20:39:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 50 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2022-11-18 20:39:47,325 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 11 [2022-11-18 20:39:47,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:47,326 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-11-18 20:39:47,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-11-18 20:39:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-18 20:39:47,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:47,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:47,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:39:47,328 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:47,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:47,329 INFO L85 PathProgramCache]: Analyzing trace with hash -439505060, now seen corresponding path program 1 times [2022-11-18 20:39:47,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:47,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802333690] [2022-11-18 20:39:47,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:47,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:47,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:47,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802333690] [2022-11-18 20:39:47,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802333690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:47,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:47,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:39:47,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070516998] [2022-11-18 20:39:47,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:47,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:39:47,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:47,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:39:47,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:39:47,461 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:47,598 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2022-11-18 20:39:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:39:47,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 [2022-11-18 20:39:47,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:47,601 INFO L225 Difference]: With dead ends: 80 [2022-11-18 20:39:47,601 INFO L226 Difference]: Without dead ends: 76 [2022-11-18 20:39:47,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:39:47,603 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:47,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 32 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:39:47,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-18 20:39:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2022-11-18 20:39:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.234375) internal successors, (79), 71 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2022-11-18 20:39:47,616 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 18 [2022-11-18 20:39:47,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:47,616 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2022-11-18 20:39:47,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2022-11-18 20:39:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 20:39:47,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:47,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:47,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:39:47,619 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:47,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:47,620 INFO L85 PathProgramCache]: Analyzing trace with hash -739754871, now seen corresponding path program 1 times [2022-11-18 20:39:47,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:47,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361797003] [2022-11-18 20:39:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:47,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:47,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361797003] [2022-11-18 20:39:47,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361797003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:47,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:47,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:39:47,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542917718] [2022-11-18 20:39:47,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:47,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:39:47,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:47,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:39:47,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:39:47,763 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:47,889 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2022-11-18 20:39:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:39:47,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-18 20:39:47,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:47,890 INFO L225 Difference]: With dead ends: 72 [2022-11-18 20:39:47,891 INFO L226 Difference]: Without dead ends: 68 [2022-11-18 20:39:47,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:39:47,892 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 28 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:47,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 25 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:39:47,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-18 20:39:47,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-18 20:39:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 64 states have (on average 1.171875) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2022-11-18 20:39:47,901 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 19 [2022-11-18 20:39:47,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:47,902 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2022-11-18 20:39:47,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2022-11-18 20:39:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:39:47,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:47,916 INFO L195 NwaCegarLoop]: 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] [2022-11-18 20:39:47,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:39:47,917 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:47,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:47,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1338025710, now seen corresponding path program 1 times [2022-11-18 20:39:47,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:47,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590475573] [2022-11-18 20:39:47,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:47,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:48,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:48,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590475573] [2022-11-18 20:39:48,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590475573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:39:48,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:39:48,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:39:48,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085721775] [2022-11-18 20:39:48,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:39:48,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:39:48,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:48,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:39:48,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:39:48,053 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:48,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:48,216 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2022-11-18 20:39:48,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:39:48,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-18 20:39:48,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:48,223 INFO L225 Difference]: With dead ends: 102 [2022-11-18 20:39:48,224 INFO L226 Difference]: Without dead ends: 98 [2022-11-18 20:39:48,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:39:48,228 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 58 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:48,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 38 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:39:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-18 20:39:48,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2022-11-18 20:39:48,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.1555555555555554) internal successors, (104), 93 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2022-11-18 20:39:48,257 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 24 [2022-11-18 20:39:48,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:48,257 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2022-11-18 20:39:48,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2022-11-18 20:39:48,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 20:39:48,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:48,261 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:48,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:39:48,262 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:48,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash -955814244, now seen corresponding path program 1 times [2022-11-18 20:39:48,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:48,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182282615] [2022-11-18 20:39:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:48,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:48,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:48,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182282615] [2022-11-18 20:39:48,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182282615] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:39:48,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985328435] [2022-11-18 20:39:48,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:48,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:39:48,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:48,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:39:48,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:39:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:48,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:39:48,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:39:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:48,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:39:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:48,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985328435] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:39:48,834 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:39:48,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 20:39:48,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773264344] [2022-11-18 20:39:48,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:39:48,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:39:48,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:48,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:39:48,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:39:48,838 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:49,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:49,166 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2022-11-18 20:39:49,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:39:49,167 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 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 31 [2022-11-18 20:39:49,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:49,169 INFO L225 Difference]: With dead ends: 228 [2022-11-18 20:39:49,169 INFO L226 Difference]: Without dead ends: 224 [2022-11-18 20:39:49,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:39:49,172 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 246 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:49,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 75 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:39:49,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-11-18 20:39:49,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2022-11-18 20:39:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 220 states have (on average 1.1318181818181818) internal successors, (249), 223 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 249 transitions. [2022-11-18 20:39:49,205 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 249 transitions. Word has length 31 [2022-11-18 20:39:49,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:49,206 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 249 transitions. [2022-11-18 20:39:49,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 249 transitions. [2022-11-18 20:39:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-18 20:39:49,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:49,209 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:49,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:49,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 20:39:49,415 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:49,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:49,416 INFO L85 PathProgramCache]: Analyzing trace with hash 209117266, now seen corresponding path program 1 times [2022-11-18 20:39:49,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:49,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375595117] [2022-11-18 20:39:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:49,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:49,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:49,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375595117] [2022-11-18 20:39:49,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375595117] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:39:49,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815367175] [2022-11-18 20:39:49,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:49,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:39:49,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:49,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:39:49,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:39:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:49,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:39:49,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:39:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:49,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:39:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:50,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815367175] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:39:50,257 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:39:50,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2022-11-18 20:39:50,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563619020] [2022-11-18 20:39:50,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:39:50,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-18 20:39:50,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:50,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 20:39:50,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:39:50,261 INFO L87 Difference]: Start difference. First operand 224 states and 249 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:51,039 INFO L93 Difference]: Finished difference Result 488 states and 579 transitions. [2022-11-18 20:39:51,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:39:51,040 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 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 63 [2022-11-18 20:39:51,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:51,042 INFO L225 Difference]: With dead ends: 488 [2022-11-18 20:39:51,042 INFO L226 Difference]: Without dead ends: 484 [2022-11-18 20:39:51,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:39:51,043 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 1020 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:51,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 130 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:39:51,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-11-18 20:39:51,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2022-11-18 20:39:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 480 states have (on average 1.1229166666666666) internal successors, (539), 483 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 539 transitions. [2022-11-18 20:39:51,066 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 539 transitions. Word has length 63 [2022-11-18 20:39:51,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:51,067 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 539 transitions. [2022-11-18 20:39:51,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 539 transitions. [2022-11-18 20:39:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-18 20:39:51,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:51,072 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:51,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:51,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 20:39:51,283 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:51,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:51,284 INFO L85 PathProgramCache]: Analyzing trace with hash -319915758, now seen corresponding path program 2 times [2022-11-18 20:39:51,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:51,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806375422] [2022-11-18 20:39:51,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:51,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:52,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:52,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806375422] [2022-11-18 20:39:52,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806375422] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:39:52,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699465429] [2022-11-18 20:39:52,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:39:52,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:39:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:52,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:39:52,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:39:52,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 20:39:52,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:39:52,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:39:52,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:39:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-11-18 20:39:52,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:39:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-11-18 20:39:52,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699465429] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:39:52,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:39:52,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 6, 6] total 29 [2022-11-18 20:39:52,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862498666] [2022-11-18 20:39:52,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:39:52,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-18 20:39:52,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:52,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-18 20:39:52,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=552, Unknown=0, NotChecked=0, Total=870 [2022-11-18 20:39:52,891 INFO L87 Difference]: Start difference. First operand 484 states and 539 transitions. Second operand has 30 states, 29 states have (on average 6.413793103448276) internal successors, (186), 30 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:39:56,634 INFO L93 Difference]: Finished difference Result 759 states and 868 transitions. [2022-11-18 20:39:56,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-18 20:39:56,635 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 6.413793103448276) internal successors, (186), 30 states have internal predecessors, (186), 0 states have call successors, (0), 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 128 [2022-11-18 20:39:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:39:56,636 INFO L225 Difference]: With dead ends: 759 [2022-11-18 20:39:56,636 INFO L226 Difference]: Without dead ends: 176 [2022-11-18 20:39:56,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4029 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3668, Invalid=8764, Unknown=0, NotChecked=0, Total=12432 [2022-11-18 20:39:56,648 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4416 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4416 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:39:56,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4416 Valid, 167 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:39:56,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-18 20:39:56,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2022-11-18 20:39:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 173 states have (on average 1.023121387283237) internal successors, (177), 175 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 177 transitions. [2022-11-18 20:39:56,663 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 177 transitions. Word has length 128 [2022-11-18 20:39:56,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:39:56,664 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 177 transitions. [2022-11-18 20:39:56,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.413793103448276) internal successors, (186), 30 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 177 transitions. [2022-11-18 20:39:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-18 20:39:56,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:39:56,669 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:56,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:56,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:39:56,876 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:39:56,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1560752232, now seen corresponding path program 1 times [2022-11-18 20:39:56,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:56,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291162233] [2022-11-18 20:39:56,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:56,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:57,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:39:57,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291162233] [2022-11-18 20:39:57,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291162233] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:39:57,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92755082] [2022-11-18 20:39:57,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:57,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:39:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:57,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:39:57,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:39:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:58,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-18 20:39:58,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:39:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:58,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:39:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:59,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92755082] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:39:59,414 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:39:59,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2022-11-18 20:39:59,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543532027] [2022-11-18 20:39:59,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:39:59,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-11-18 20:39:59,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:39:59,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-18 20:39:59,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2022-11-18 20:39:59,417 INFO L87 Difference]: Start difference. First operand 176 states and 177 transitions. Second operand has 47 states, 46 states have (on average 7.043478260869565) internal successors, (324), 47 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:00,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:00,255 INFO L93 Difference]: Finished difference Result 593 states and 660 transitions. [2022-11-18 20:40:00,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-18 20:40:00,256 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 7.043478260869565) internal successors, (324), 47 states have internal predecessors, (324), 0 states have call successors, (0), 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 158 [2022-11-18 20:40:00,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:00,259 INFO L225 Difference]: With dead ends: 593 [2022-11-18 20:40:00,259 INFO L226 Difference]: Without dead ends: 337 [2022-11-18 20:40:00,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2022-11-18 20:40:00,262 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 736 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:00,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 120 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:40:00,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-11-18 20:40:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2022-11-18 20:40:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 334 states have (on average 1.0119760479041917) internal successors, (338), 336 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 338 transitions. [2022-11-18 20:40:00,276 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 338 transitions. Word has length 158 [2022-11-18 20:40:00,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:00,276 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 338 transitions. [2022-11-18 20:40:00,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 7.043478260869565) internal successors, (324), 47 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 338 transitions. [2022-11-18 20:40:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-11-18 20:40:00,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:00,281 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:00,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:00,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 20:40:00,488 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:40:00,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:00,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1519476887, now seen corresponding path program 2 times [2022-11-18 20:40:00,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:00,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466546174] [2022-11-18 20:40:00,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:00,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6710 backedges. 0 proven. 6710 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:03,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:03,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466546174] [2022-11-18 20:40:03,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466546174] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:40:03,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889853682] [2022-11-18 20:40:03,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:40:03,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:40:03,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:03,479 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:40:03,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:40:03,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:40:03,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:40:03,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-18 20:40:03,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6710 backedges. 0 proven. 6710 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:04,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:40:07,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6710 backedges. 0 proven. 6710 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:07,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889853682] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:40:07,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:40:07,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 92 [2022-11-18 20:40:07,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748354195] [2022-11-18 20:40:07,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:40:07,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-11-18 20:40:07,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:07,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-11-18 20:40:07,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2022-11-18 20:40:07,589 INFO L87 Difference]: Start difference. First operand 337 states and 338 transitions. Second operand has 93 states, 92 states have (on average 7.021739130434782) internal successors, (646), 93 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:09,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:09,709 INFO L93 Difference]: Finished difference Result 1168 states and 1304 transitions. [2022-11-18 20:40:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-18 20:40:09,710 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 92 states have (on average 7.021739130434782) internal successors, (646), 93 states have internal predecessors, (646), 0 states have call successors, (0), 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 319 [2022-11-18 20:40:09,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:09,713 INFO L225 Difference]: With dead ends: 1168 [2022-11-18 20:40:09,714 INFO L226 Difference]: Without dead ends: 659 [2022-11-18 20:40:09,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2022-11-18 20:40:09,717 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1797 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:09,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1797 Valid, 207 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 20:40:09,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-11-18 20:40:09,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2022-11-18 20:40:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 656 states have (on average 1.0060975609756098) internal successors, (660), 658 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 660 transitions. [2022-11-18 20:40:09,737 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 660 transitions. Word has length 319 [2022-11-18 20:40:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:09,738 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 660 transitions. [2022-11-18 20:40:09,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 92 states have (on average 7.021739130434782) internal successors, (646), 93 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 660 transitions. [2022-11-18 20:40:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2022-11-18 20:40:09,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:09,757 INFO L195 NwaCegarLoop]: trace histogram [91, 90, 90, 90, 90, 90, 90, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:09,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:09,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 20:40:09,966 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:40:09,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:09,967 INFO L85 PathProgramCache]: Analyzing trace with hash -785503561, now seen corresponding path program 3 times [2022-11-18 20:40:09,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:09,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691665155] [2022-11-18 20:40:09,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:09,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 28215 backedges. 0 proven. 28215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:20,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:20,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691665155] [2022-11-18 20:40:20,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691665155] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:40:20,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727543511] [2022-11-18 20:40:20,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:40:20,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:40:20,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:20,621 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:40:20,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:40:20,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-18 20:40:20,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:40:20,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:40:20,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 28215 backedges. 178 proven. 269 refuted. 0 times theorem prover too weak. 27768 trivial. 0 not checked. [2022-11-18 20:40:22,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:40:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 28215 backedges. 0 proven. 447 refuted. 0 times theorem prover too weak. 27768 trivial. 0 not checked. [2022-11-18 20:40:23,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727543511] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:40:23,411 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:40:23,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 6, 6] total 101 [2022-11-18 20:40:23,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061001436] [2022-11-18 20:40:23,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:40:23,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2022-11-18 20:40:23,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:23,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2022-11-18 20:40:23,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4674, Invalid=5628, Unknown=0, NotChecked=0, Total=10302 [2022-11-18 20:40:23,418 INFO L87 Difference]: Start difference. First operand 659 states and 660 transitions. Second operand has 102 states, 101 states have (on average 6.762376237623762) internal successors, (683), 102 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:38,054 INFO L93 Difference]: Finished difference Result 701 states and 706 transitions. [2022-11-18 20:40:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-11-18 20:40:38,057 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 101 states have (on average 6.762376237623762) internal successors, (683), 102 states have internal predecessors, (683), 0 states have call successors, (0), 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 641 [2022-11-18 20:40:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:38,060 INFO L225 Difference]: With dead ends: 701 [2022-11-18 20:40:38,060 INFO L226 Difference]: Without dead ends: 665 [2022-11-18 20:40:38,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1561 GetRequests, 1271 SyntacticMatches, 1 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22334 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=27867, Invalid=56523, Unknown=0, NotChecked=0, Total=84390 [2022-11-18 20:40:38,071 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2545 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2545 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:38,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2545 Valid, 31 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:40:38,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-11-18 20:40:38,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-11-18 20:40:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.001510574018127) internal successors, (663), 662 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 663 transitions. [2022-11-18 20:40:38,090 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 663 transitions. Word has length 641 [2022-11-18 20:40:38,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:38,092 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 663 transitions. [2022-11-18 20:40:38,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 101 states have (on average 6.762376237623762) internal successors, (683), 102 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 663 transitions. [2022-11-18 20:40:38,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-11-18 20:40:38,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:38,111 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 92, 91, 91, 91, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:38,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:38,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:40:38,316 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:40:38,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:38,316 INFO L85 PathProgramCache]: Analyzing trace with hash -283697090, now seen corresponding path program 1 times [2022-11-18 20:40:38,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:38,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908062067] [2022-11-18 20:40:38,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:38,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 29120 backedges. 0 proven. 29120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:48,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:48,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908062067] [2022-11-18 20:40:48,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908062067] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:40:48,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109934856] [2022-11-18 20:40:48,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:48,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:40:48,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:48,035 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:40:48,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:40:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:48,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-18 20:40:48,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 29120 backedges. 0 proven. 29120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:49,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:41:01,338 INFO L134 CoverageAnalysis]: Checked inductivity of 29120 backedges. 0 proven. 29120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:41:01,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109934856] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:41:01,338 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:41:01,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 190 [2022-11-18 20:41:01,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612335492] [2022-11-18 20:41:01,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:41:01,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-11-18 20:41:01,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:01,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-11-18 20:41:01,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2022-11-18 20:41:01,350 INFO L87 Difference]: Start difference. First operand 663 states and 663 transitions. Second operand has 191 states, 190 states have (on average 7.010526315789473) internal successors, (1332), 191 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:10,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:10,767 INFO L93 Difference]: Finished difference Result 2389 states and 2484 transitions. [2022-11-18 20:41:10,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-11-18 20:41:10,769 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 7.010526315789473) internal successors, (1332), 191 states have internal predecessors, (1332), 0 states have call successors, (0), 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 662 [2022-11-18 20:41:10,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:10,774 INFO L225 Difference]: With dead ends: 2389 [2022-11-18 20:41:10,774 INFO L226 Difference]: Without dead ends: 1343 [2022-11-18 20:41:10,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1417 GetRequests, 1228 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2022-11-18 20:41:10,778 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 6369 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6369 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:10,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6369 Valid, 402 Invalid, 2883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [832 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-18 20:41:10,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2022-11-18 20:41:10,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1328. [2022-11-18 20:41:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1327 states have (on average 1.0007535795026374) internal successors, (1328), 1327 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1328 transitions. [2022-11-18 20:41:10,840 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1328 transitions. Word has length 662 [2022-11-18 20:41:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:10,842 INFO L495 AbstractCegarLoop]: Abstraction has 1328 states and 1328 transitions. [2022-11-18 20:41:10,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 7.010526315789473) internal successors, (1332), 191 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:10,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1328 transitions. [2022-11-18 20:41:10,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1328 [2022-11-18 20:41:10,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:10,863 INFO L195 NwaCegarLoop]: trace histogram [187, 187, 187, 187, 186, 186, 186, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:10,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:11,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:11,064 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-18 20:41:11,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:11,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1912710893, now seen corresponding path program 2 times [2022-11-18 20:41:11,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:11,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780238234] [2022-11-18 20:41:11,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:11,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 121365 backedges. 0 proven. 121365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:41:55,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:55,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780238234] [2022-11-18 20:41:55,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780238234] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:41:55,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222992203] [2022-11-18 20:41:55,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:41:55,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:55,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:55,879 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:41:55,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 20:41:56,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 20:41:56,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:41:56,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:41:56,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 121365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121365 trivial. 0 not checked. [2022-11-18 20:41:58,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:41:58,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222992203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:58,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:41:58,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [190] total 195 [2022-11-18 20:41:58,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754378998] [2022-11-18 20:41:58,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:58,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:41:58,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:58,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:41:58,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18347, Invalid=19873, Unknown=0, NotChecked=0, Total=38220 [2022-11-18 20:41:58,929 INFO L87 Difference]: Start difference. First operand 1328 states and 1328 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:59,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:59,523 INFO L93 Difference]: Finished difference Result 1328 states and 1328 transitions. [2022-11-18 20:41:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:41:59,523 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 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 1327 [2022-11-18 20:41:59,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:59,526 INFO L225 Difference]: With dead ends: 1328 [2022-11-18 20:41:59,526 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:41:59,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1521 GetRequests, 1322 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=18382, Invalid=21818, Unknown=0, NotChecked=0, Total=40200 [2022-11-18 20:41:59,552 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 35 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:59,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 17 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:41:59,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:41:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:41:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:41:59,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1327 [2022-11-18 20:41:59,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:59,554 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:41:59,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:41:59,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:41:59,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-18 20:41:59,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-18 20:41:59,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-18 20:41:59,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-18 20:41:59,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-18 20:41:59,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-18 20:41:59,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-18 20:41:59,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-18 20:41:59,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-18 20:41:59,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-18 20:41:59,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:59,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-18 20:41:59,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:42:05,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-18 20:42:05,789 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2022-11-18 20:42:05,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2022-11-18 20:42:05,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2022-11-18 20:42:05,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:42:05,790 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-18 20:42:05,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:42:05,790 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-11-18 20:42:05,790 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 160) no Hoare annotation was computed. [2022-11-18 20:42:05,791 INFO L899 garLoopResultBuilder]: For program point L20(lines 20 401) no Hoare annotation was computed. [2022-11-18 20:42:05,791 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 391) no Hoare annotation was computed. [2022-11-18 20:42:05,791 INFO L895 garLoopResultBuilder]: At program point L400(lines 15 402) the Hoare annotation is: (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483647) [2022-11-18 20:42:05,791 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 287) no Hoare annotation was computed. [2022-11-18 20:42:05,791 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 94) no Hoare annotation was computed. [2022-11-18 20:42:05,792 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-18 20:42:05,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2022-11-18 20:42:05,792 INFO L899 garLoopResultBuilder]: For program point L194-1(line 194) no Hoare annotation was computed. [2022-11-18 20:42:05,792 INFO L895 garLoopResultBuilder]: At program point L384(lines 282 391) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483646)) (.cse1 (not (= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|)))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~main__t~0#1|) (or (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~19#1| 1) (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~19#1| 0)) .cse1 (<= |ULTIMATE.start_main_~main__t~0#1| 2147483645)) (and .cse0 (= |ULTIMATE.start_main_~main__t~0#1| 0) .cse1))) [2022-11-18 20:42:05,793 INFO L895 garLoopResultBuilder]: At program point L351(lines 32 395) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483646)) (.cse1 (not (= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|)))) (or (and (<= |ULTIMATE.start_main_~main__t~0#1| 2147483646) .cse0 (<= 1 |ULTIMATE.start_main_~main__t~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start_main_~main__t~0#1| 0) .cse1))) [2022-11-18 20:42:05,793 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 196) no Hoare annotation was computed. [2022-11-18 20:42:05,793 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 385) no Hoare annotation was computed. [2022-11-18 20:42:05,793 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 352) no Hoare annotation was computed. [2022-11-18 20:42:05,793 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 203) no Hoare annotation was computed. [2022-11-18 20:42:05,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 287) no Hoare annotation was computed. [2022-11-18 20:42:05,794 INFO L895 garLoopResultBuilder]: At program point L195(lines 56 253) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483646) (<= 1 |ULTIMATE.start_main_~main__t~0#1|)) [2022-11-18 20:42:05,794 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 209) no Hoare annotation was computed. [2022-11-18 20:42:05,794 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 255) no Hoare annotation was computed. [2022-11-18 20:42:05,794 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 317) no Hoare annotation was computed. [2022-11-18 20:42:05,794 INFO L899 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2022-11-18 20:42:05,794 INFO L899 garLoopResultBuilder]: For program point L287-1(line 287) no Hoare annotation was computed. [2022-11-18 20:42:05,794 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-11-18 20:42:05,795 INFO L899 garLoopResultBuilder]: For program point L23-1(line 23) no Hoare annotation was computed. [2022-11-18 20:42:05,795 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 395) no Hoare annotation was computed. [2022-11-18 20:42:05,795 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 390) no Hoare annotation was computed. [2022-11-18 20:42:05,795 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:42:05,795 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 244) no Hoare annotation was computed. [2022-11-18 20:42:05,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 132) no Hoare annotation was computed. [2022-11-18 20:42:05,796 INFO L899 garLoopResultBuilder]: For program point L24(lines 24 396) no Hoare annotation was computed. [2022-11-18 20:42:05,796 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 92) no Hoare annotation was computed. [2022-11-18 20:42:05,796 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 162) no Hoare annotation was computed. [2022-11-18 20:42:05,796 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2022-11-18 20:42:05,796 INFO L899 garLoopResultBuilder]: For program point L132-1(line 132) no Hoare annotation was computed. [2022-11-18 20:42:05,796 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:42:05,796 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 201) no Hoare annotation was computed. [2022-11-18 20:42:05,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 132) no Hoare annotation was computed. [2022-11-18 20:42:05,797 INFO L895 garLoopResultBuilder]: At program point L314(lines 32 395) the Hoare annotation is: (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483647) [2022-11-18 20:42:05,797 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 250) no Hoare annotation was computed. [2022-11-18 20:42:05,797 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 253) no Hoare annotation was computed. [2022-11-18 20:42:05,797 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 198) no Hoare annotation was computed. [2022-11-18 20:42:05,797 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 387) no Hoare annotation was computed. [2022-11-18 20:42:05,797 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 354) no Hoare annotation was computed. [2022-11-18 20:42:05,798 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 393) no Hoare annotation was computed. [2022-11-18 20:42:05,798 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 200) no Hoare annotation was computed. [2022-11-18 20:42:05,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-18 20:42:05,798 INFO L895 garLoopResultBuilder]: At program point L249(lines 101 251) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483646) (<= 1 |ULTIMATE.start_main_~main__t~0#1|) (not (= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|))) [2022-11-18 20:42:05,798 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 315) no Hoare annotation was computed. [2022-11-18 20:42:05,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2022-11-18 20:42:05,799 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 251) no Hoare annotation was computed. [2022-11-18 20:42:05,799 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 389) no Hoare annotation was computed. [2022-11-18 20:42:05,802 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:42:05,805 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:42:05,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:42:05 BoogieIcfgContainer [2022-11-18 20:42:05,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:42:05,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:42:05,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:42:05,822 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:42:05,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:39:46" (3/4) ... [2022-11-18 20:42:05,826 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:42:05,838 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-18 20:42:05,839 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 20:42:05,839 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:42:05,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:42:05,891 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:42:05,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:42:05,892 INFO L158 Benchmark]: Toolchain (without parser) took 140525.29ms. Allocated memory was 123.7MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 83.5MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 489.7MB. Max. memory is 16.1GB. [2022-11-18 20:42:05,892 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:42:05,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.95ms. Allocated memory is still 123.7MB. Free memory was 83.3MB in the beginning and 92.1MB in the end (delta: -8.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:42:05,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.71ms. Allocated memory is still 123.7MB. Free memory was 92.1MB in the beginning and 90.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:42:05,893 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:42:05,894 INFO L158 Benchmark]: RCFGBuilder took 505.37ms. Allocated memory is still 123.7MB. Free memory was 88.5MB in the beginning and 71.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:42:05,894 INFO L158 Benchmark]: TraceAbstraction took 139473.75ms. Allocated memory was 123.7MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 70.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-18 20:42:05,895 INFO L158 Benchmark]: Witness Printer took 69.92ms. Allocated memory is still 2.4GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:42:05,896 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 123.7MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.95ms. Allocated memory is still 123.7MB. Free memory was 83.3MB in the beginning and 92.1MB in the end (delta: -8.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.71ms. Allocated memory is still 123.7MB. Free memory was 92.1MB in the beginning and 90.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.37ms. Allocated memory is still 123.7MB. Free memory was 88.5MB in the beginning and 71.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 139473.75ms. Allocated memory was 123.7MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 70.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 69.92ms. Allocated memory is still 2.4GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 287]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 287]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 139.4s, OverallIterations: 14, TraceHistogramMax: 187, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 33.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17357 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17357 mSDsluCounter, 1418 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1146 mSDsCounter, 2220 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6172 IncrementalHoareTripleChecker+Invalid, 8392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2220 mSolverCounterUnsat, 272 mSDtfsCounter, 6172 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6089 GetRequests, 5126 SyntacticMatches, 2 SemanticMatches, 961 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27799 ImplicationChecksByTransitivity, 54.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1328occurred in iteration=13, InterpolantAutomatonStates: 671, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 25 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 533 NumberOfFragments, 83 HoareAnnotationTreeSize, 6 FomulaSimplifications, 3292 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 6 FomulaSimplificationsInter, 7760 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 94.1s InterpolantComputationTime, 6739 NumberOfCodeBlocks, 4710 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 8712 ConstructedInterpolants, 0 QuantifiedInterpolants, 26115 SizeOfPredicates, 11 NumberOfNonLiveVariables, 5161 ConjunctsInSsa, 206 ConjunctsInUnsatCore, 29 InterpolantComputations, 7 PerfectInterpolantSequences, 177951/441024 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((main__t <= 2147483646 && main__tagbuf_len <= 2147483646) && 1 <= main__t) && !(main__t == main__tagbuf_len)) || ((main__tagbuf_len <= 2147483646 && main__t == 0) && !(main__t == main__tagbuf_len)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (main__tagbuf_len <= 2147483646 && 1 <= main__t) && !(main__t == main__tagbuf_len) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: main__tagbuf_len <= 2147483646 && 1 <= main__t - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: main__tagbuf_len <= 2147483647 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((main__tagbuf_len <= 2147483646 && 1 <= main__t) && (__VERIFIER_assert__cond == 1 || __VERIFIER_assert__cond == 0)) && !(main__t == main__tagbuf_len)) && main__t <= 2147483645) || ((main__tagbuf_len <= 2147483646 && main__t == 0) && !(main__t == main__tagbuf_len)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: main__tagbuf_len <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:42:05,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6849ddc7-5aa4-40b1-b42c-042b3c2be3c8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE