./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/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_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- 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 16:16:35,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:16:35,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:16:35,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:16:35,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:16:35,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:16:35,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:16:35,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:16:35,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:16:35,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:16:35,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:16:35,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:16:35,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:16:35,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:16:35,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:16:35,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:16:35,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:16:35,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:16:35,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:16:35,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:16:35,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:16:35,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:16:35,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:16:35,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:16:35,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:16:35,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:16:35,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:16:35,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:16:35,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:16:35,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:16:35,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:16:35,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:16:35,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:16:35,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:16:35,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:16:35,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:16:35,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:16:35,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:16:35,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:16:35,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:16:35,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:16:35,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 16:16:35,949 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:16:35,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:16:35,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:16:35,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:16:35,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:16:35,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:16:35,951 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:16:35,952 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:16:35,952 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:16:35,952 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:16:35,953 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:16:35,953 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:16:35,953 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:16:35,953 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:16:35,954 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:16:35,954 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:16:35,954 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:16:35,954 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:16:35,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:16:35,963 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:16:35,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:16:35,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:16:35,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:16:35,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:16:35,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:16:35,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:16:35,965 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:16:35,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:16:35,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:16:35,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:16:35,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:16:35,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:16:35,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:16:35,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:16:35,966 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:16:35,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:16:35,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:16:35,967 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:16:35,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:16:35,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:16:35,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:16:35,968 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_a30efc7b-f254-45de-9bfb-049915ab5d10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2022-11-16 16:16:36,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:16:36,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:16:36,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:16:36,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:16:36,347 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:16:36,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2022-11-16 16:16:36,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/data/56b95d6b3/432fe41af73143738881a6105c6e9dc2/FLAG181c43e7f [2022-11-16 16:16:37,138 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:16:37,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2022-11-16 16:16:37,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/data/56b95d6b3/432fe41af73143738881a6105c6e9dc2/FLAG181c43e7f [2022-11-16 16:16:37,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/data/56b95d6b3/432fe41af73143738881a6105c6e9dc2 [2022-11-16 16:16:37,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:16:37,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:16:37,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:16:37,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:16:37,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:16:37,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:16:37" (1/1) ... [2022-11-16 16:16:37,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3862b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:37, skipping insertion in model container [2022-11-16 16:16:37,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:16:37" (1/1) ... [2022-11-16 16:16:37,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:16:37,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:16:38,036 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_a30efc7b-f254-45de-9bfb-049915ab5d10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2022-11-16 16:16:38,387 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_a30efc7b-f254-45de-9bfb-049915ab5d10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2022-11-16 16:16:38,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:16:38,408 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:16:38,462 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_a30efc7b-f254-45de-9bfb-049915ab5d10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[33021,33034] [2022-11-16 16:16:38,685 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_a30efc7b-f254-45de-9bfb-049915ab5d10/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i[84583,84596] [2022-11-16 16:16:38,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:16:38,722 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:16:38,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38 WrapperNode [2022-11-16 16:16:38,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:16:38,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:16:38,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:16:38,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:16:38,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:38,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:38,901 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-16 16:16:38,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:16:38,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:16:38,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:16:38,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:16:38,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:38,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:38,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:38,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:38,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:38,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:39,002 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:39,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:39,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:16:39,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:16:39,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:16:39,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:16:39,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (1/1) ... [2022-11-16 16:16:39,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:16:39,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:16:39,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:16:39,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:16:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 16:16:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 16:16:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 16:16:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:16:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 16:16:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 16:16:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 16:16:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:16:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 16:16:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:16:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 16:16:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 16:16:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:16:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:16:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:16:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:16:39,448 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:16:39,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:16:42,431 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:16:42,925 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:16:42,925 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-16 16:16:42,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:16:42 BoogieIcfgContainer [2022-11-16 16:16:42,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:16:42,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:16:42,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:16:42,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:16:42,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:16:37" (1/3) ... [2022-11-16 16:16:42,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0e6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:16:42, skipping insertion in model container [2022-11-16 16:16:42,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:16:38" (2/3) ... [2022-11-16 16:16:42,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0e6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:16:42, skipping insertion in model container [2022-11-16 16:16:42,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:16:42" (3/3) ... [2022-11-16 16:16:42,946 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-1.i [2022-11-16 16:16:42,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:16:42,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-16 16:16:43,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:16:43,087 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;@3a9a9938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:16:43,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 16:16:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-16 16:16:43,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:16:43,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:43,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:16:43,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:43,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:43,109 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-16 16:16:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:43,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120429298] [2022-11-16 16:16:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:43,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:43,344 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 16:16:43,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:43,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120429298] [2022-11-16 16:16:43,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120429298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:16:43,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:16:43,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:16:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611871632] [2022-11-16 16:16:43,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:16:43,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 16:16:43,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:16:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 16:16:43,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:16:43,404 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:16:44,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:44,411 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-16 16:16:44,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 16:16:44,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 16:16:44,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:44,452 INFO L225 Difference]: With dead ends: 2197 [2022-11-16 16:16:44,452 INFO L226 Difference]: Without dead ends: 1097 [2022-11-16 16:16:44,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:16:44,474 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:44,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 16:16:44,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-16 16:16:45,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-16 16:16:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-16 16:16:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-16 16:16:45,074 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-16 16:16:45,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:45,075 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-16 16:16:45,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:16:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-16 16:16:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 16:16:45,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:45,078 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] [2022-11-16 16:16:45,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:16:45,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:45,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:45,080 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-16 16:16:45,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:45,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155795199] [2022-11-16 16:16:45,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:45,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:45,623 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 16:16:45,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:45,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155795199] [2022-11-16 16:16:45,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155795199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:16:45,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:16:45,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:16:45,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634954592] [2022-11-16 16:16:45,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:16:45,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:16:45,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:16:45,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:16:45,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:16:45,635 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:16:48,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:48,111 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-16 16:16:48,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:16:48,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-16 16:16:48,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:48,132 INFO L225 Difference]: With dead ends: 3192 [2022-11-16 16:16:48,132 INFO L226 Difference]: Without dead ends: 2148 [2022-11-16 16:16:48,139 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 16:16:48,141 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:48,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-16 16:16:48,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-16 16:16:48,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-16 16:16:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-16 16:16:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-16 16:16:48,754 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-16 16:16:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:48,754 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-16 16:16:48,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:16:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-16 16:16:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 16:16:48,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:48,757 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:16:48,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 16:16:48,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:48,768 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-16 16:16:48,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:48,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876633565] [2022-11-16 16:16:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:48,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:48,928 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:16:48,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283127614] [2022-11-16 16:16:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:48,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:16:48,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:16:48,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:16:48,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:16:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:49,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 16:16:49,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:16:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:16:49,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:16:49,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:49,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876633565] [2022-11-16 16:16:49,822 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:16:49,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283127614] [2022-11-16 16:16:49,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283127614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:16:49,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:16:49,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:16:49,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250189980] [2022-11-16 16:16:49,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:16:49,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:16:49,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:16:49,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:16:49,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:16:49,833 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 16:16:51,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 16:16:51,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:51,581 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-16 16:16:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:16:51,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2022-11-16 16:16:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:51,607 INFO L225 Difference]: With dead ends: 3230 [2022-11-16 16:16:51,607 INFO L226 Difference]: Without dead ends: 2134 [2022-11-16 16:16:51,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 16:16:51,615 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:51,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 16:16:51,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-16 16:16:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-16 16:16:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-16 16:16:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-16 16:16:52,267 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-16 16:16:52,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:52,268 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-16 16:16:52,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 16:16:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-16 16:16:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-16 16:16:52,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:52,271 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:16:52,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 16:16:52,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:16:52,487 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:52,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-16 16:16:52,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:52,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364793740] [2022-11-16 16:16:52,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:52,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:52,570 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:16:52,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060591941] [2022-11-16 16:16:52,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:52,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:16:52,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:16:52,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:16:52,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 16:16:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:53,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 16:16:53,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:16:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 16:16:53,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:16:53,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:53,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364793740] [2022-11-16 16:16:53,369 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:16:53,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060591941] [2022-11-16 16:16:53,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060591941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:16:53,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:16:53,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:16:53,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772292944] [2022-11-16 16:16:53,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:16:53,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:16:53,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:16:53,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:16:53,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:16:53,377 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:16:56,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:56,219 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-16 16:16:56,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:16:56,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-16 16:16:56,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:56,236 INFO L225 Difference]: With dead ends: 3228 [2022-11-16 16:16:56,237 INFO L226 Difference]: Without dead ends: 1112 [2022-11-16 16:16:56,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 16:16:56,250 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:56,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 16:16:56,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-16 16:16:56,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-16 16:16:56,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-16 16:16:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-16 16:16:56,481 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-16 16:16:56,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:56,481 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-16 16:16:56,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:16:56,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-16 16:16:56,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-16 16:16:56,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:56,484 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:16:56,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 16:16:56,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:16:56,693 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:56,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:56,693 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-16 16:16:56,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:56,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116271079] [2022-11-16 16:16:56,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:56,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:56,771 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:16:56,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470999064] [2022-11-16 16:16:56,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:56,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:16:56,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:16:56,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:16:56,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 16:17:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:17:13,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 16:17:13,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:17:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:17:13,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:17:13,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:17:13,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116271079] [2022-11-16 16:17:13,908 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:17:13,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470999064] [2022-11-16 16:17:13,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470999064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:17:13,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:17:13,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:17:13,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177042198] [2022-11-16 16:17:13,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:17:13,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:17:13,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:17:13,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:17:13,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:17:13,911 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:17:15,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:17:15,760 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-16 16:17:15,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:17:15,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-16 16:17:15,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:17:15,774 INFO L225 Difference]: With dead ends: 2207 [2022-11-16 16:17:15,774 INFO L226 Difference]: Without dead ends: 1114 [2022-11-16 16:17:15,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 16:17:15,782 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 16:17:15,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 16:17:15,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-16 16:17:16,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-16 16:17:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-16 16:17:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-16 16:17:16,019 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-16 16:17:16,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:17:16,021 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-16 16:17:16,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:17:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-16 16:17:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-16 16:17:16,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:17:16,026 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:17:16,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 16:17:16,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:17:16,251 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:17:16,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:17:16,252 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-16 16:17:16,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:17:16,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363368428] [2022-11-16 16:17:16,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:17:16,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:17:16,323 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:17:16,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169234223] [2022-11-16 16:17:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:17:16,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:17:16,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:17:16,331 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:17:16,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30efc7b-f254-45de-9bfb-049915ab5d10/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 16:18:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:18:17,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 16:18:17,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:18:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:18:17,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:18:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:18:17,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:18:17,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363368428] [2022-11-16 16:18:17,223 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:18:17,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169234223] [2022-11-16 16:18:17,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169234223] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:18:17,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1326756109] [2022-11-16 16:18:17,244 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-16 16:18:17,245 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:18:17,248 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:18:17,254 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:18:17,254 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:18:17,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 16:18:17,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,405 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 16:18:17,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-16 16:18:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-16 16:18:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 16:18:17,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 16:18:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,499 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 16:18:17,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-16 16:18:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,556 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 16:18:17,556 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 16:18:17,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-16 16:18:17,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 16:18:17,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:17,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 16:18:18,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 16:18:18,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-16 16:18:18,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-16 16:18:18,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 16:18:18,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 16:18:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 16:18:18,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 16:18:18,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 16:18:18,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 16:18:18,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 16:18:18,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 16:18:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,779 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 16:18:18,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-16 16:18:18,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:18,898 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 16:18:18,899 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 49 treesize of output 85 [2022-11-16 16:18:19,083 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 16:18:19,088 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 14 treesize of output 10 [2022-11-16 16:18:19,094 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 14 treesize of output 10 [2022-11-16 16:18:19,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-16 16:18:19,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-16 16:18:19,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-16 16:18:19,157 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 14 treesize of output 10 [2022-11-16 16:18:19,162 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 14 treesize of output 10 [2022-11-16 16:18:19,167 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 16:18:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-16 16:18:19,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 16:18:19,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-16 16:18:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:18:19,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-16 16:18:19,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 16:18:19,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-16 16:18:20,496 INFO L217 Elim1Store]: Index analysis took 660 ms [2022-11-16 16:18:24,702 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-16 16:18:24,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-16 16:18:27,294 INFO L217 Elim1Store]: Index analysis took 2309 ms [2022-11-16 16:18:28,210 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-16 16:18:28,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-16 16:18:36,015 WARN L233 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:18:36,016 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-16 16:18:36,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-16 16:18:36,452 INFO L217 Elim1Store]: Index analysis took 212 ms [2022-11-16 16:19:02,607 WARN L233 SmtUtils]: Spent 26.15s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:19:02,608 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-16 16:19:02,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-16 16:19:04,616 INFO L217 Elim1Store]: Index analysis took 1229 ms [2022-11-16 16:19:36,530 WARN L233 SmtUtils]: Spent 31.32s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:19:36,531 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-16 16:19:36,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-16 16:19:38,626 INFO L217 Elim1Store]: Index analysis took 195 ms [2022-11-16 16:19:39,348 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-16 16:19:39,350 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-16 16:19:39,479 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 7 treesize of output 3 [2022-11-16 16:19:40,155 INFO L217 Elim1Store]: Index analysis took 404 ms [2022-11-16 16:19:41,000 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 16:19:41,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-16 16:19:41,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:41,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-16 16:19:41,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:41,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 15 [2022-11-16 16:19:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:41,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 15 [2022-11-16 16:19:42,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:42,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-16 16:19:42,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:42,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-16 16:19:44,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:44,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 20 [2022-11-16 16:19:44,699 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:19:45,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:45,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-16 16:19:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:45,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:19:45,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-16 16:19:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:45,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-16 16:19:45,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:45,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 19 treesize of output 13 [2022-11-16 16:19:46,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:46,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 19 treesize of output 13 [2022-11-16 16:19:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:47,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:47,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:19:47,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 [2022-11-16 16:20:00,227 INFO L217 Elim1Store]: Index analysis took 1616 ms [2022-11-16 16:29:42,123 WARN L233 SmtUtils]: Spent 9.70m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:29:42,124 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-16 16:29:42,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-16 16:30:50,443 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:30:51,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:51,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:51,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:51,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:51,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:58,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:58,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:58,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:58,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:58,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:58,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:58,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:30:58,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:04,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:04,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:04,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:04,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:37,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:37,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:37,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:37,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:37,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:37,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 16:31:37,971 INFO L173 IndexEqualityManager]: detected equality via solver