./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/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_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/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_824e851a-28b0-4e9e-bae6-5b015e3b28e3/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 b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e --- 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 20:34:20,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:34:20,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:34:20,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:34:20,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:34:20,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:34:20,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:34:20,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:34:20,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:34:20,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:34:20,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:34:20,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:34:20,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:34:20,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:34:20,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:34:20,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:34:20,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:34:20,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:34:20,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:34:20,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:34:20,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:34:20,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:34:20,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:34:20,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:34:20,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:34:20,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:34:20,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:34:20,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:34:20,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:34:20,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:34:20,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:34:20,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:34:20,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:34:20,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:34:20,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:34:20,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:34:20,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:34:20,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:34:20,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:34:20,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:34:20,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:34:20,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 20:34:20,848 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:34:20,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:34:20,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:34:20,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:34:20,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:34:20,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:34:20,855 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:34:20,855 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:34:20,855 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:34:20,855 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:34:20,856 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:34:20,857 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:34:20,857 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:34:20,857 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:34:20,857 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:34:20,857 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:34:20,858 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:34:20,858 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:34:20,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:34:20,859 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:34:20,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:34:20,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:34:20,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:34:20,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:34:20,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:34:20,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:34:20,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:34:20,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:34:20,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:34:20,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:34:20,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:34:20,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:34:20,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:34:20,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:34:20,877 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:34:20,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:34:20,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:34:20,878 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:34:20,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:34:20,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:34:20,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:34:20,879 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_824e851a-28b0-4e9e-bae6-5b015e3b28e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06fba6fbf61d996c1af57497d908c6dba492febf0212a36ee7b28f5806d365e [2022-11-16 20:34:21,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:34:21,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:34:21,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:34:21,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:34:21,193 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:34:21,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2022-11-16 20:34:21,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/data/5e08781e7/39da7eee0686483f8c1b517a5c3ae1e5/FLAG9041a306e [2022-11-16 20:34:21,946 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:34:21,949 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i [2022-11-16 20:34:21,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/data/5e08781e7/39da7eee0686483f8c1b517a5c3ae1e5/FLAG9041a306e [2022-11-16 20:34:22,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/data/5e08781e7/39da7eee0686483f8c1b517a5c3ae1e5 [2022-11-16 20:34:22,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:34:22,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:34:22,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:34:22,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:34:22,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:34:22,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:34:22" (1/1) ... [2022-11-16 20:34:22,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d896d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:22, skipping insertion in model container [2022-11-16 20:34:22,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:34:22" (1/1) ... [2022-11-16 20:34:22,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:34:22,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:34:22,815 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_824e851a-28b0-4e9e-bae6-5b015e3b28e3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i[33022,33035] [2022-11-16 20:34:23,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:34:23,118 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:34:23,156 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_824e851a-28b0-4e9e-bae6-5b015e3b28e3/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test10-1.i[33022,33035] [2022-11-16 20:34:23,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:34:23,285 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:34:23,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23 WrapperNode [2022-11-16 20:34:23,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:34:23,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:34:23,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:34:23,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:34:23,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,447 INFO L138 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2167 [2022-11-16 20:34:23,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:34:23,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:34:23,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:34:23,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:34:23,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:34:23,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:34:23,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:34:23,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:34:23,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (1/1) ... [2022-11-16 20:34:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:34:23,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:34:23,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:34:23,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:34:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2022-11-16 20:34:23,735 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2022-11-16 20:34:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:34:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 20:34:23,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 20:34:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:34:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 20:34:23,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 20:34:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:34:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:34:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:34:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:34:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 20:34:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:34:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:34:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:34:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:34:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:34:24,110 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:34:24,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:34:26,652 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:34:27,524 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:34:27,525 INFO L300 CfgBuilder]: Removed 151 assume(true) statements. [2022-11-16 20:34:27,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:34:27 BoogieIcfgContainer [2022-11-16 20:34:27,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:34:27,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:34:27,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:34:27,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:34:27,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:34:22" (1/3) ... [2022-11-16 20:34:27,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ace33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:34:27, skipping insertion in model container [2022-11-16 20:34:27,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:23" (2/3) ... [2022-11-16 20:34:27,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ace33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:34:27, skipping insertion in model container [2022-11-16 20:34:27,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:34:27" (3/3) ... [2022-11-16 20:34:27,542 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test10-1.i [2022-11-16 20:34:27,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:34:27,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:34:27,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:34:27,654 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;@25150b54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:34:27,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 20:34:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 232 states have (on average 1.8275862068965518) internal successors, (424), 237 states have internal predecessors, (424), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 20:34:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 20:34:27,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:34:27,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:34:27,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:34:27,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:34:27,680 INFO L85 PathProgramCache]: Analyzing trace with hash 57065197, now seen corresponding path program 1 times [2022-11-16 20:34:27,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:34:27,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998872171] [2022-11-16 20:34:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:27,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:34:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:34:27,876 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 20:34:27,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:34:27,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998872171] [2022-11-16 20:34:27,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998872171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:34:27,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:34:27,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 20:34:27,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699414014] [2022-11-16 20:34:27,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:34:27,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 20:34:27,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:34:27,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 20:34:27,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 20:34:27,915 INFO L87 Difference]: Start difference. First operand has 251 states, 232 states have (on average 1.8275862068965518) internal successors, (424), 237 states have internal predecessors, (424), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 20:34:29,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 20:34:29,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:34:29,670 INFO L93 Difference]: Finished difference Result 501 states and 911 transitions. [2022-11-16 20:34:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 20:34:29,674 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-16 20:34:29,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:34:29,684 INFO L225 Difference]: With dead ends: 501 [2022-11-16 20:34:29,688 INFO L226 Difference]: Without dead ends: 249 [2022-11-16 20:34:29,691 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 20:34:29,696 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 20:34:29,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 20:34:29,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-16 20:34:29,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-16 20:34:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 231 states have (on average 1.199134199134199) internal successors, (277), 236 states have internal predecessors, (277), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 20:34:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 304 transitions. [2022-11-16 20:34:29,772 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 304 transitions. Word has length 12 [2022-11-16 20:34:29,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:34:29,772 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 304 transitions. [2022-11-16 20:34:29,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 20:34:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 304 transitions. [2022-11-16 20:34:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 20:34:29,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:34:29,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:34:29,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:34:29,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:34:29,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:34:29,776 INFO L85 PathProgramCache]: Analyzing trace with hash -344877955, now seen corresponding path program 1 times [2022-11-16 20:34:29,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:34:29,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457728544] [2022-11-16 20:34:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:29,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:34:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:34:30,263 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 20:34:30,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:34:30,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457728544] [2022-11-16 20:34:30,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457728544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:34:30,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:34:30,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:34:30,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186029001] [2022-11-16 20:34:30,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:34:30,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:34:30,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:34:30,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:34:30,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:34:30,267 INFO L87 Difference]: Start difference. First operand 249 states and 304 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 20:34:34,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 20:34:35,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 20:34:35,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:34:35,405 INFO L93 Difference]: Finished difference Result 425 states and 521 transitions. [2022-11-16 20:34:35,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:34:35,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-16 20:34:35,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:34:35,408 INFO L225 Difference]: With dead ends: 425 [2022-11-16 20:34:35,408 INFO L226 Difference]: Without dead ends: 276 [2022-11-16 20:34:35,409 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 20:34:35,410 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:34:35,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 766 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-16 20:34:35,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-11-16 20:34:35,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 251. [2022-11-16 20:34:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 233 states have (on average 1.1974248927038627) internal successors, (279), 238 states have internal predecessors, (279), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 20:34:35,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 306 transitions. [2022-11-16 20:34:35,435 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 306 transitions. Word has length 24 [2022-11-16 20:34:35,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:34:35,436 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 306 transitions. [2022-11-16 20:34:35,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 20:34:35,436 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 306 transitions. [2022-11-16 20:34:35,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-16 20:34:35,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:34:35,438 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, 1, 1, 1, 1, 1] [2022-11-16 20:34:35,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:34:35,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:34:35,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:34:35,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1076919952, now seen corresponding path program 1 times [2022-11-16 20:34:35,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:34:35,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78877410] [2022-11-16 20:34:35,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:35,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:34:35,669 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:34:35,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809569357] [2022-11-16 20:34:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:35,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:35,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:34:35,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:34:35,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:34:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:34:36,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:34:36,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:34:36,778 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 20:34:36,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:34:36,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:34:36,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78877410] [2022-11-16 20:34:36,781 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 20:34:36,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809569357] [2022-11-16 20:34:36,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809569357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:34:36,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:34:36,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 20:34:36,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285638436] [2022-11-16 20:34:36,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:34:36,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:34:36,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:34:36,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:34:36,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:34:36,785 INFO L87 Difference]: Start difference. First operand 251 states and 306 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 20:34:38,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:34:38,746 INFO L93 Difference]: Finished difference Result 614 states and 746 transitions. [2022-11-16 20:34:38,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:34:38,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-11-16 20:34:38,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:34:38,748 INFO L225 Difference]: With dead ends: 614 [2022-11-16 20:34:38,748 INFO L226 Difference]: Without dead ends: 366 [2022-11-16 20:34:38,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 20:34:38,751 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 119 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:34:38,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 547 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 20:34:38,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-16 20:34:38,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2022-11-16 20:34:38,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.1799410029498525) internal successors, (400), 344 states have internal predecessors, (400), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-16 20:34:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2022-11-16 20:34:38,776 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 49 [2022-11-16 20:34:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:34:38,776 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2022-11-16 20:34:38,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 20:34:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2022-11-16 20:34:38,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-16 20:34:38,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:34:38,779 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] [2022-11-16 20:34:38,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 20:34:38,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:38,990 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:34:38,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:34:38,990 INFO L85 PathProgramCache]: Analyzing trace with hash -887951383, now seen corresponding path program 1 times [2022-11-16 20:34:38,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:34:38,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601852321] [2022-11-16 20:34:38,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:38,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:34:39,078 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:34:39,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027935477] [2022-11-16 20:34:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:39,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:39,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:34:39,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:34:39,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 20:34:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:34:39,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 20:34:39,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:34:39,881 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 11 treesize of output 7 [2022-11-16 20:34:39,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 20:34:39,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:34:39,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 20:34:39,931 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 20:34:39,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:34:39,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:34:39,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601852321] [2022-11-16 20:34:39,932 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 20:34:39,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027935477] [2022-11-16 20:34:39,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027935477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:34:39,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:34:39,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:34:39,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451515008] [2022-11-16 20:34:39,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:34:39,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:34:39,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:34:39,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:34:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:34:39,935 INFO L87 Difference]: Start difference. First operand 362 states and 437 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 20:34:43,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:34:43,317 INFO L93 Difference]: Finished difference Result 674 states and 815 transitions. [2022-11-16 20:34:43,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:34:43,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2022-11-16 20:34:43,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:34:43,319 INFO L225 Difference]: With dead ends: 674 [2022-11-16 20:34:43,319 INFO L226 Difference]: Without dead ends: 362 [2022-11-16 20:34:43,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 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 20:34:43,321 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 13 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 20:34:43,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 766 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 20:34:43,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-11-16 20:34:43,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-11-16 20:34:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.176991150442478) internal successors, (399), 344 states have internal predecessors, (399), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-16 20:34:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 436 transitions. [2022-11-16 20:34:43,340 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 436 transitions. Word has length 62 [2022-11-16 20:34:43,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:34:43,340 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 436 transitions. [2022-11-16 20:34:43,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 20:34:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 436 transitions. [2022-11-16 20:34:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-16 20:34:43,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:34:43,343 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:34:43,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 20:34:43,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:43,553 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:34:43,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:34:43,553 INFO L85 PathProgramCache]: Analyzing trace with hash -685995049, now seen corresponding path program 1 times [2022-11-16 20:34:43,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:34:43,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049191621] [2022-11-16 20:34:43,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:43,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:34:43,734 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:34:43,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190423421] [2022-11-16 20:34:43,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:43,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:43,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:34:43,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:34:43,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 20:34:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:34:44,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:34:44,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:34:45,030 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 20:34:45,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:34:45,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:34:45,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049191621] [2022-11-16 20:34:45,031 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 20:34:45,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190423421] [2022-11-16 20:34:45,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190423421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:34:45,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:34:45,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 20:34:45,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9991873] [2022-11-16 20:34:45,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:34:45,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:34:45,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:34:45,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:34:45,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:34:45,035 INFO L87 Difference]: Start difference. First operand 362 states and 436 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 20:34:47,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:34:47,137 INFO L93 Difference]: Finished difference Result 820 states and 988 transitions. [2022-11-16 20:34:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:34:47,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2022-11-16 20:34:47,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:34:47,140 INFO L225 Difference]: With dead ends: 820 [2022-11-16 20:34:47,141 INFO L226 Difference]: Without dead ends: 484 [2022-11-16 20:34:47,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 20:34:47,143 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 110 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:34:47,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 531 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-16 20:34:47,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-11-16 20:34:47,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 429. [2022-11-16 20:34:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 403 states have (on average 1.1687344913151365) internal successors, (471), 408 states have internal predecessors, (471), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-16 20:34:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 514 transitions. [2022-11-16 20:34:47,179 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 514 transitions. Word has length 83 [2022-11-16 20:34:47,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:34:47,179 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 514 transitions. [2022-11-16 20:34:47,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 20:34:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 514 transitions. [2022-11-16 20:34:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-16 20:34:47,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:34:47,183 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:34:47,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 20:34:47,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:47,395 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:34:47,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:34:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash -397116236, now seen corresponding path program 1 times [2022-11-16 20:34:47,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:34:47,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196059748] [2022-11-16 20:34:47,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:47,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:34:47,529 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:34:47,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638845587] [2022-11-16 20:34:47,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:47,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:47,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:34:47,531 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:34:47,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 20:34:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:34:48,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:34:48,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:34:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-16 20:34:48,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:34:48,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:34:48,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196059748] [2022-11-16 20:34:48,764 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 20:34:48,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638845587] [2022-11-16 20:34:48,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638845587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:34:48,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:34:48,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 20:34:48,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453327471] [2022-11-16 20:34:48,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:34:48,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:34:48,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:34:48,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:34:48,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:34:48,767 INFO L87 Difference]: Start difference. First operand 429 states and 514 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 20:34:50,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 20:34:50,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:34:50,786 INFO L93 Difference]: Finished difference Result 719 states and 867 transitions. [2022-11-16 20:34:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:34:50,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 96 [2022-11-16 20:34:50,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:34:50,789 INFO L225 Difference]: With dead ends: 719 [2022-11-16 20:34:50,789 INFO L226 Difference]: Without dead ends: 351 [2022-11-16 20:34:50,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 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 20:34:50,791 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 438 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:34:50,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 329 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 20:34:50,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-11-16 20:34:50,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2022-11-16 20:34:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 330 states have (on average 1.1666666666666667) internal successors, (385), 335 states have internal predecessors, (385), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-16 20:34:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 418 transitions. [2022-11-16 20:34:50,816 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 418 transitions. Word has length 96 [2022-11-16 20:34:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:34:50,816 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 418 transitions. [2022-11-16 20:34:50,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 20:34:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2022-11-16 20:34:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 20:34:50,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:34:50,820 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:34:50,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 20:34:51,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 20:34:51,030 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:34:51,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:34:51,031 INFO L85 PathProgramCache]: Analyzing trace with hash -2128847042, now seen corresponding path program 1 times [2022-11-16 20:34:51,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:34:51,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503343187] [2022-11-16 20:34:51,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:51,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:34:51,138 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:34:51,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096809396] [2022-11-16 20:34:51,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:51,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:51,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:34:51,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:34:51,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 20:35:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:35:21,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:35:21,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:35:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 20:35:21,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:35:21,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:35:21,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503343187] [2022-11-16 20:35:21,151 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 20:35:21,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096809396] [2022-11-16 20:35:21,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096809396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:35:21,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:35:21,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 20:35:21,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049543660] [2022-11-16 20:35:21,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:35:21,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:35:21,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:35:21,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:35:21,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:35:21,154 INFO L87 Difference]: Start difference. First operand 351 states and 418 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 20:35:23,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 20:35:25,059 WARN L539 Checker$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 20:35:25,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:35:25,660 INFO L93 Difference]: Finished difference Result 684 states and 823 transitions. [2022-11-16 20:35:25,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:35:25,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2022-11-16 20:35:25,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:35:25,663 INFO L225 Difference]: With dead ends: 684 [2022-11-16 20:35:25,663 INFO L226 Difference]: Without dead ends: 353 [2022-11-16 20:35:25,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:35:25,665 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:35:25,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 812 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 20:35:25,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-16 20:35:25,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2022-11-16 20:35:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 331 states have (on average 1.1691842900302114) internal successors, (387), 337 states have internal predecessors, (387), 17 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 16 states have call successors, (19) [2022-11-16 20:35:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2022-11-16 20:35:25,721 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 103 [2022-11-16 20:35:25,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:35:25,721 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2022-11-16 20:35:25,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 20:35:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2022-11-16 20:35:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-16 20:35:25,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:35:25,727 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:35:25,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 20:35:25,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-16 20:35:25,950 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:35:25,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:35:25,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1518494194, now seen corresponding path program 1 times [2022-11-16 20:35:25,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:35:25,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740046469] [2022-11-16 20:35:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:35:25,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:35:26,056 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:35:26,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1107921805] [2022-11-16 20:35:26,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:35:26,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:35:26,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:35:26,059 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:35:26,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_824e851a-28b0-4e9e-bae6-5b015e3b28e3/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 20:48:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:48:05,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 20:48:05,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:48:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-16 20:48:05,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:48:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 20:48:05,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:48:05,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740046469] [2022-11-16 20:48:05,185 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 20:48:05,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107921805] [2022-11-16 20:48:05,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107921805] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:48:05,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1622469788] [2022-11-16 20:48:05,207 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2022-11-16 20:48:05,207 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:48:05,211 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:48:05,216 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:48:05,217 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:48:05,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,534 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 20:48:05,534 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 20:48:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,547 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 20:48:05,559 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 20:48:05,567 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 20:48:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,634 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 20:48:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,687 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 22 treesize of output 7 [2022-11-16 20:48:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,703 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 22 treesize of output 7 [2022-11-16 20:48:05,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,737 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 20:48:05,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-16 20:48:05,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,798 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 20:48:05,798 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 20:48:05,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:05,858 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:48:05,859 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 20:48:06,283 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 20:48:06,311 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 20:48:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,377 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 9897016 treesize of output 5376291 [2022-11-16 20:48:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,448 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 9897007 treesize of output 5376300 [2022-11-16 20:48:06,510 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 20:48:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,582 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 9897022 treesize of output 5376303 [2022-11-16 20:48:06,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,650 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 9897022 treesize of output 5376303 [2022-11-16 20:48:06,735 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 20:48:06,790 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 20:48:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,864 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 20:48:06,864 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 20:48:06,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:06,948 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 20:48:06,948 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 20:48:06,980 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 20:48:07,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,032 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 9897022 treesize of output 5376303 [2022-11-16 20:48:07,263 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 20:48:07,267 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 20:48:07,272 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 20:48:07,298 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 20:48:07,315 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 20:48:07,323 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 20:48:07,345 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 20:48:07,350 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 20:48:07,358 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 20:48:07,445 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 20:48:07,464 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 20:48:07,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376221 [2022-11-16 20:48:07,793 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 20:48:07,818 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 20:48:07,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:07,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376221 [2022-11-16 20:48:09,187 INFO L217 Elim1Store]: Index analysis took 1035 ms [2022-11-16 20:48:13,332 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-16 20:48:13,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519784 treesize of output 9519788 [2022-11-16 20:48:14,209 INFO L217 Elim1Store]: Index analysis took 707 ms [2022-11-16 20:48:17,915 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-16 20:48:17,916 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 9519789 treesize of output 9519792 [2022-11-16 20:48:27,328 WARN L233 SmtUtils]: Spent 9.36s 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 20:48:27,328 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-16 20:48:27,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-16 20:48:42,451 WARN L233 SmtUtils]: Spent 14.98s 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 20:48:42,451 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-16 20:48:42,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-16 20:48:43,102 INFO L217 Elim1Store]: Index analysis took 448 ms [2022-11-16 20:48:57,508 WARN L233 SmtUtils]: Spent 13.99s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 20:48:57,510 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-16 20:48:57,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-16 20:48:58,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:48:58,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:48:58,830 INFO L217 Elim1Store]: Index analysis took 363 ms [2022-11-16 20:48:58,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 87 [2022-11-16 20:48:59,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:48:59,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:48:59,036 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 38 treesize of output 28 [2022-11-16 20:48:59,083 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:49:00,251 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-16 20:49:00,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-16 20:49:00,323 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 20:49:00,870 INFO L217 Elim1Store]: Index analysis took 278 ms [2022-11-16 20:49:01,631 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:49:01,631 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 20:49:02,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:49:02,215 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 20:49:02,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:02,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:49:02,336 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 20:49:02,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:02,409 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 20:49:03,860 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:49:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:04,762 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 20:49:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:04,887 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 20:49:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:07,186 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 20:49:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:08,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:08,985 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 20:49:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:49:09,096 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