./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 --- 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-e04fb08 [2022-11-16 19:30:15,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:30:15,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:30:15,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:30:15,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:30:15,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:30:15,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:30:15,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:30:15,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:30:15,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:30:15,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:30:15,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:30:15,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:30:15,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:30:15,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:30:15,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:30:15,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:30:15,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:30:15,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:30:15,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:30:15,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:30:15,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:30:15,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:30:15,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:30:15,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:30:15,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:30:15,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:30:15,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:30:15,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:30:15,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:30:15,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:30:15,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:30:15,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:30:15,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:30:15,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:30:15,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:30:15,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:30:15,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:30:15,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:30:15,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:30:15,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:30:15,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 19:30:15,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:30:15,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:30:15,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:30:15,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:30:15,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:30:15,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:30:15,982 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:30:15,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:30:15,983 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:30:15,983 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:30:15,984 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:30:15,984 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:30:15,985 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:30:15,985 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:30:15,985 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:30:15,985 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:30:15,986 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:30:15,986 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:30:15,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:30:15,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 19:30:15,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:30:15,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:30:15,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 19:30:15,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:30:15,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:30:15,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:30:15,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:30:15,990 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 19:30:15,990 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 19:30:15,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:30:15,991 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:30:15,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:30:15,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:30:15,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:30:15,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:30:15,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:30:15,993 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:30:15,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:30:15,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:30:15,993 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:30:15,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:30:15,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:30:15,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:30:15,994 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_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 [2022-11-16 19:30:16,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:30:16,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:30:16,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:30:16,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:30:16,312 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:30:16,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2022-11-16 19:30:16,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/data/64246a338/21eb9698f4c94929b8a62d1f31665e65/FLAG288039b5d [2022-11-16 19:30:16,960 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:30:16,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2022-11-16 19:30:16,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/data/64246a338/21eb9698f4c94929b8a62d1f31665e65/FLAG288039b5d [2022-11-16 19:30:17,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/data/64246a338/21eb9698f4c94929b8a62d1f31665e65 [2022-11-16 19:30:17,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:30:17,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:30:17,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:30:17,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:30:17,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:30:17,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:30:17" (1/1) ... [2022-11-16 19:30:17,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6bd32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:17, skipping insertion in model container [2022-11-16 19:30:17,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:30:17" (1/1) ... [2022-11-16 19:30:17,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:30:17,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:30:17,921 WARN L229 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_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44118,44131] [2022-11-16 19:30:17,937 WARN L229 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_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44660,44673] [2022-11-16 19:30:18,070 WARN L229 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_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56247,56260] [2022-11-16 19:30:18,071 WARN L229 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_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56368,56381] [2022-11-16 19:30:18,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:30:18,086 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:30:18,118 WARN L229 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_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44118,44131] [2022-11-16 19:30:18,120 WARN L229 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_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[44660,44673] [2022-11-16 19:30:18,175 WARN L229 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_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56247,56260] [2022-11-16 19:30:18,176 WARN L229 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_432a197d-ae17-43bd-aff0-3af070a53e1b/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i[56368,56381] [2022-11-16 19:30:18,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:30:18,230 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:30:18,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18 WrapperNode [2022-11-16 19:30:18,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:30:18,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:30:18,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:30:18,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:30:18,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,335 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1046 [2022-11-16 19:30:18,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:30:18,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:30:18,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:30:18,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:30:18,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,463 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:30:18,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:30:18,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:30:18,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:30:18,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (1/1) ... [2022-11-16 19:30:18,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:30:18,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:18,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:30:18,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:30:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:30:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 19:30:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:30:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:30:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2022-11-16 19:30:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2022-11-16 19:30:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:30:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 19:30:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 19:30:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:30:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:30:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:30:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2022-11-16 19:30:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2022-11-16 19:30:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:30:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2022-11-16 19:30:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2022-11-16 19:30:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:30:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:30:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:30:18,877 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:30:18,879 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:30:20,305 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:30:20,672 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:30:20,672 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-16 19:30:20,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:30:20 BoogieIcfgContainer [2022-11-16 19:30:20,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:30:20,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:30:20,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:30:20,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:30:20,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:30:17" (1/3) ... [2022-11-16 19:30:20,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4260caf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:30:20, skipping insertion in model container [2022-11-16 19:30:20,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:30:18" (2/3) ... [2022-11-16 19:30:20,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4260caf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:30:20, skipping insertion in model container [2022-11-16 19:30:20,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:30:20" (3/3) ... [2022-11-16 19:30:20,684 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-1.i [2022-11-16 19:30:20,703 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:30:20,703 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-16 19:30:20,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:30:20,772 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=FINITE_AUTOMATA, 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;@47ab02fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:30:20,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-16 19:30:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 126 states have (on average 1.746031746031746) internal successors, (220), 140 states have internal predecessors, (220), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 19:30:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 19:30:20,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:20,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 19:30:20,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 19:30:20,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:20,800 INFO L85 PathProgramCache]: Analyzing trace with hash 27183590, now seen corresponding path program 1 times [2022-11-16 19:30:20,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:30:20,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147250560] [2022-11-16 19:30:20,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:20,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:30:20,968 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:30:20,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434270518] [2022-11-16 19:30:20,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:20,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:20,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:20,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:30:20,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:30:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:21,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-16 19:30:21,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:21,297 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-16 19:30:21,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-16 19:30:21,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:30:21,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:30:21,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-16 19:30:21,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:30:21,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:30:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:21,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 19:30:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:21,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:30:21,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:30:21,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147250560] [2022-11-16 19:30:21,507 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:30:21,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434270518] [2022-11-16 19:30:21,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434270518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:30:21,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:30:21,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:30:21,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251551543] [2022-11-16 19:30:21,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:30:21,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:30:21,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:30:21,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:30:21,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:30:21,545 INFO L87 Difference]: Start difference. First operand has 158 states, 126 states have (on average 1.746031746031746) internal successors, (220), 140 states have internal predecessors, (220), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 4 states, 3 states have (on average 1.3333333333333333) 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) [2022-11-16 19:30:24,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:30:24,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:30:24,748 INFO L93 Difference]: Finished difference Result 376 states and 608 transitions. [2022-11-16 19:30:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:30:24,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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 [2022-11-16 19:30:24,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:30:24,763 INFO L225 Difference]: With dead ends: 376 [2022-11-16 19:30:24,764 INFO L226 Difference]: Without dead ends: 206 [2022-11-16 19:30:24,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:30:24,770 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 64 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:30:24,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 416 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 19:30:24,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-16 19:30:24,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 153. [2022-11-16 19:30:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 125 states have (on average 1.256) internal successors, (157), 139 states have internal predecessors, (157), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 19:30:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 177 transitions. [2022-11-16 19:30:24,827 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 177 transitions. Word has length 4 [2022-11-16 19:30:24,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:30:24,827 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 177 transitions. [2022-11-16 19:30:24,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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) [2022-11-16 19:30:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 177 transitions. [2022-11-16 19:30:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 19:30:24,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:24,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:30:24,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:30:25,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 19:30:25,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 19:30:25,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:25,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1012993337, now seen corresponding path program 1 times [2022-11-16 19:30:25,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:30:25,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198097975] [2022-11-16 19:30:25,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:25,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:30:25,111 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:30:25,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139964757] [2022-11-16 19:30:25,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:25,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:25,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:25,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:30:25,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:30:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:25,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 19:30:25,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:25,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:30:25,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:30:25,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198097975] [2022-11-16 19:30:25,455 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:30:25,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139964757] [2022-11-16 19:30:25,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139964757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:30:25,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:30:25,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:30:25,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569140247] [2022-11-16 19:30:25,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:30:25,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:30:25,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:30:25,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:30:25,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:30:25,460 INFO L87 Difference]: Start difference. First operand 153 states and 177 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:30:28,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:30:29,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:30:30,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:30:30,012 INFO L93 Difference]: Finished difference Result 261 states and 302 transitions. [2022-11-16 19:30:30,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:30:30,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-16 19:30:30,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:30:30,017 INFO L225 Difference]: With dead ends: 261 [2022-11-16 19:30:30,018 INFO L226 Difference]: Without dead ends: 259 [2022-11-16 19:30:30,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:30:30,019 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 106 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:30:30,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 446 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 19:30:30,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-11-16 19:30:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 249. [2022-11-16 19:30:30,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 216 states have (on average 1.25) internal successors, (270), 231 states have internal predecessors, (270), 14 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 19:30:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 298 transitions. [2022-11-16 19:30:30,057 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 298 transitions. Word has length 18 [2022-11-16 19:30:30,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:30:30,058 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 298 transitions. [2022-11-16 19:30:30,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:30:30,058 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 298 transitions. [2022-11-16 19:30:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 19:30:30,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:30,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:30:30,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:30:30,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:30,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 19:30:30,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:30,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1338022341, now seen corresponding path program 1 times [2022-11-16 19:30:30,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:30:30,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981541814] [2022-11-16 19:30:30,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:30:30,321 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:30:30,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1129996860] [2022-11-16 19:30:30,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:30,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:30,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:30,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:30:30,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 19:30:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:30,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 19:30:30,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:30,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:30:30,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:30:30,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981541814] [2022-11-16 19:30:30,658 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:30:30,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129996860] [2022-11-16 19:30:30,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129996860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:30:30,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:30:30,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:30:30,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348798525] [2022-11-16 19:30:30,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:30:30,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:30:30,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:30:30,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:30:30,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:30:30,664 INFO L87 Difference]: Start difference. First operand 249 states and 298 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:30:33,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:30:33,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:30:33,437 INFO L93 Difference]: Finished difference Result 441 states and 532 transitions. [2022-11-16 19:30:33,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:30:33,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-16 19:30:33,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:30:33,443 INFO L225 Difference]: With dead ends: 441 [2022-11-16 19:30:33,443 INFO L226 Difference]: Without dead ends: 439 [2022-11-16 19:30:33,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:30:33,445 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 147 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:30:33,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 454 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 19:30:33,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-11-16 19:30:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 428. [2022-11-16 19:30:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 384 states have (on average 1.25) internal successors, (480), 400 states have internal predecessors, (480), 23 states have call successors, (23), 10 states have call predecessors, (23), 7 states have return successors, (26), 18 states have call predecessors, (26), 23 states have call successors, (26) [2022-11-16 19:30:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 529 transitions. [2022-11-16 19:30:33,510 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 529 transitions. Word has length 19 [2022-11-16 19:30:33,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:30:33,514 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 529 transitions. [2022-11-16 19:30:33,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:30:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 529 transitions. [2022-11-16 19:30:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 19:30:33,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:33,516 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] [2022-11-16 19:30:33,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 19:30:33,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:33,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 19:30:33,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:33,718 INFO L85 PathProgramCache]: Analyzing trace with hash -587835803, now seen corresponding path program 1 times [2022-11-16 19:30:33,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:30:33,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37700640] [2022-11-16 19:30:33,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:33,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:30:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:34,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:30:34,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37700640] [2022-11-16 19:30:34,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37700640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:30:34,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:30:34,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:30:34,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396276277] [2022-11-16 19:30:34,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:30:34,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:30:34,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:30:34,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:30:34,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:30:34,255 INFO L87 Difference]: Start difference. First operand 428 states and 529 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 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) [2022-11-16 19:30:36,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:30:37,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:30:37,058 INFO L93 Difference]: Finished difference Result 682 states and 842 transitions. [2022-11-16 19:30:37,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:30:37,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 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 [2022-11-16 19:30:37,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:30:37,064 INFO L225 Difference]: With dead ends: 682 [2022-11-16 19:30:37,064 INFO L226 Difference]: Without dead ends: 562 [2022-11-16 19:30:37,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:30:37,066 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 56 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:30:37,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 408 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 19:30:37,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2022-11-16 19:30:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 428. [2022-11-16 19:30:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 384 states have (on average 1.2473958333333333) internal successors, (479), 400 states have internal predecessors, (479), 23 states have call successors, (23), 10 states have call predecessors, (23), 7 states have return successors, (26), 18 states have call predecessors, (26), 23 states have call successors, (26) [2022-11-16 19:30:37,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 528 transitions. [2022-11-16 19:30:37,093 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 528 transitions. Word has length 24 [2022-11-16 19:30:37,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:30:37,094 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 528 transitions. [2022-11-16 19:30:37,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 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) [2022-11-16 19:30:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 528 transitions. [2022-11-16 19:30:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-16 19:30:37,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:37,095 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, 1, 1, 1] [2022-11-16 19:30:37,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 19:30:37,096 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 19:30:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1768029670, now seen corresponding path program 1 times [2022-11-16 19:30:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:30:37,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013348527] [2022-11-16 19:30:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:30:37,132 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:30:37,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2140975064] [2022-11-16 19:30:37,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:37,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:37,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:37,139 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:30:37,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 19:30:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:37,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 19:30:37,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:37,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:30:37,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:30:37,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013348527] [2022-11-16 19:30:37,482 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:30:37,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140975064] [2022-11-16 19:30:37,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140975064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:30:37,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:30:37,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 19:30:37,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510941431] [2022-11-16 19:30:37,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:30:37,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:30:37,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:30:37,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:30:37,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:30:37,509 INFO L87 Difference]: Start difference. First operand 428 states and 528 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 19:30:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:30:38,708 INFO L93 Difference]: Finished difference Result 454 states and 548 transitions. [2022-11-16 19:30:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:30:38,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-11-16 19:30:38,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:30:38,714 INFO L225 Difference]: With dead ends: 454 [2022-11-16 19:30:38,714 INFO L226 Difference]: Without dead ends: 453 [2022-11-16 19:30:38,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:30:38,717 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 112 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 19:30:38,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 306 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 19:30:38,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-11-16 19:30:38,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 443. [2022-11-16 19:30:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 394 states have (on average 1.2436548223350254) internal successors, (490), 411 states have internal predecessors, (490), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2022-11-16 19:30:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 545 transitions. [2022-11-16 19:30:38,742 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 545 transitions. Word has length 27 [2022-11-16 19:30:38,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:30:38,742 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 545 transitions. [2022-11-16 19:30:38,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 19:30:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 545 transitions. [2022-11-16 19:30:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 19:30:38,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:38,744 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, 1, 1, 1, 1] [2022-11-16 19:30:38,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 19:30:38,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:38,944 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 19:30:38,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:38,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1025655139, now seen corresponding path program 1 times [2022-11-16 19:30:38,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:30:38,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505685269] [2022-11-16 19:30:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:38,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:30:38,971 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:30:38,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139722733] [2022-11-16 19:30:38,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:38,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:38,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:38,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:30:38,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 19:30:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:39,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 19:30:39,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:39,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:30:39,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:30:39,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505685269] [2022-11-16 19:30:39,314 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:30:39,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139722733] [2022-11-16 19:30:39,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139722733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:30:39,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:30:39,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 19:30:39,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344159180] [2022-11-16 19:30:39,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:30:39,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:30:39,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:30:39,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:30:39,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:30:39,317 INFO L87 Difference]: Start difference. First operand 443 states and 545 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 19:30:40,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:30:40,141 INFO L93 Difference]: Finished difference Result 443 states and 545 transitions. [2022-11-16 19:30:40,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:30:40,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-16 19:30:40,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:30:40,148 INFO L225 Difference]: With dead ends: 443 [2022-11-16 19:30:40,148 INFO L226 Difference]: Without dead ends: 442 [2022-11-16 19:30:40,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:30:40,149 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 143 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:30:40,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 148 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 19:30:40,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-11-16 19:30:40,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2022-11-16 19:30:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 394 states have (on average 1.2385786802030456) internal successors, (488), 410 states have internal predecessors, (488), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2022-11-16 19:30:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 543 transitions. [2022-11-16 19:30:40,181 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 543 transitions. Word has length 28 [2022-11-16 19:30:40,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:30:40,182 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 543 transitions. [2022-11-16 19:30:40,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 19:30:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 543 transitions. [2022-11-16 19:30:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 19:30:40,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:40,183 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, 1, 1, 1, 1] [2022-11-16 19:30:40,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 19:30:40,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:40,390 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 19:30:40,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:40,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1275924237, now seen corresponding path program 1 times [2022-11-16 19:30:40,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:30:40,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203565306] [2022-11-16 19:30:40,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:40,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:30:40,521 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:30:40,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67465959] [2022-11-16 19:30:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:40,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:40,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:40,527 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:30:40,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 19:30:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:41,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 19:30:41,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:41,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:41,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:30:41,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:30:41,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203565306] [2022-11-16 19:30:41,353 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:30:41,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67465959] [2022-11-16 19:30:41,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67465959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:30:41,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:30:41,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:30:41,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678228492] [2022-11-16 19:30:41,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:30:41,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:30:41,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:30:41,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:30:41,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:30:41,355 INFO L87 Difference]: Start difference. First operand 442 states and 543 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 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) [2022-11-16 19:30:43,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:30:43,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:30:43,914 INFO L93 Difference]: Finished difference Result 814 states and 992 transitions. [2022-11-16 19:30:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:30:43,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 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 28 [2022-11-16 19:30:43,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:30:43,920 INFO L225 Difference]: With dead ends: 814 [2022-11-16 19:30:43,920 INFO L226 Difference]: Without dead ends: 377 [2022-11-16 19:30:43,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:30:43,922 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 49 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:30:43,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 282 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-16 19:30:43,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-11-16 19:30:43,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 368. [2022-11-16 19:30:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 326 states have (on average 1.2147239263803682) internal successors, (396), 341 states have internal predecessors, (396), 21 states have call successors, (21), 10 states have call predecessors, (21), 8 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2022-11-16 19:30:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 441 transitions. [2022-11-16 19:30:43,955 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 441 transitions. Word has length 28 [2022-11-16 19:30:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:30:43,957 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 441 transitions. [2022-11-16 19:30:43,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 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) [2022-11-16 19:30:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 441 transitions. [2022-11-16 19:30:43,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 19:30:43,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:43,966 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:30:43,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 19:30:44,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:44,176 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 19:30:44,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1992948422, now seen corresponding path program 1 times [2022-11-16 19:30:44,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:30:44,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516695700] [2022-11-16 19:30:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:30:44,239 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:30:44,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470468640] [2022-11-16 19:30:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:44,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:44,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:44,256 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:30:44,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432a197d-ae17-43bd-aff0-3af070a53e1b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 19:30:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:44,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 19:30:44,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:44,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:30:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:45,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:30:45,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516695700] [2022-11-16 19:30:45,112 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:30:45,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470468640] [2022-11-16 19:30:45,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470468640] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:30:45,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2052555994] [2022-11-16 19:30:45,133 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2022-11-16 19:30:45,134 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:30:45,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:30:45,142 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:30:45,143 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:30:45,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,228 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:30:45,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-16 19:30:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-16 19:30:45,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:30:45,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 19:30:45,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 19:30:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-16 19:30:45,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,380 INFO L321 Elim1Store]: treesize reduction 34, result has 47.7 percent of original size [2022-11-16 19:30:45,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 65 [2022-11-16 19:30:45,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 19:30:45,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:30:45,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2022-11-16 19:30:45,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,523 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 19:30:45,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 61 [2022-11-16 19:30:45,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 19:30:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 40 [2022-11-16 19:30:45,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 19:30:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 163 [2022-11-16 19:30:45,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 19:30:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:45,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2022-11-16 19:30:45,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-16 19:30:45,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-16 19:30:46,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 19:30:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 9897170 treesize of output 8253224 [2022-11-16 19:30:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 201 [2022-11-16 19:30:46,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:46,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 8253076 treesize of output 5376288 [2022-11-16 19:30:46,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 19:30:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 92192956 treesize of output 74109966 [2022-11-16 19:30:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90960030 treesize of output 74109978 [2022-11-16 19:30:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:47,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:30:47,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 8664067 treesize of output 6198246 [2022-11-16 19:30:47,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 19:30:47,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 19:30:47,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-11-16 19:30:47,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 19:30:47,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-11-16 19:30:47,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:30:47,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 19:30:48,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-11-16 19:30:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-16 19:30:48,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-11-16 19:30:48,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-11-16 19:30:48,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 92192985 treesize of output 74109977 [2022-11-16 19:30:48,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74109973 treesize of output 58903827 [2022-11-16 19:30:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 7225616 treesize of output 4759746 [2022-11-16 19:30:48,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:48,355 INFO L190 IndexEqualityManager]: detected not equals via solver