./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur --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 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 --- 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-38b53e6 [2022-11-25 23:14:45,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:14:45,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:14:45,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:14:45,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:14:45,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:14:45,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:14:45,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:14:45,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:14:45,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:14:45,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:14:45,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:14:45,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:14:45,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:14:45,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:14:46,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:14:46,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:14:46,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:14:46,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:14:46,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:14:46,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:14:46,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:14:46,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:14:46,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:14:46,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:14:46,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:14:46,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:14:46,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:14:46,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:14:46,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:14:46,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:14:46,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:14:46,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:14:46,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:14:46,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:14:46,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:14:46,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:14:46,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:14:46,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:14:46,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:14:46,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:14:46,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:14:46,085 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:14:46,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:14:46,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:14:46,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:14:46,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:14:46,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:14:46,087 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:14:46,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:14:46,088 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:14:46,088 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:14:46,089 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:14:46,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:14:46,089 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:14:46,090 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:14:46,090 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:14:46,090 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:14:46,090 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:14:46,090 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:14:46,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:14:46,092 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:14:46,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:14:46,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:14:46,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:14:46,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:14:46,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:14:46,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:14:46,094 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:14:46,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:14:46,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:14:46,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:14:46,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:14:46,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:14:46,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:14:46,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:14:46,096 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:14:46,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:14:46,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:14:46,097 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:14:46,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:14:46,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:14:46,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:14:46,097 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_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 [2022-11-25 23:14:46,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:14:46,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:14:46,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:14:46,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:14:46,402 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:14:46,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2022-11-25 23:14:49,502 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:14:49,837 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:14:49,838 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2022-11-25 23:14:49,868 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/data/324ecddfb/ec120f3ccdd94ef8bca311b02dbaa3a3/FLAG8f2803dfb [2022-11-25 23:14:49,888 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/data/324ecddfb/ec120f3ccdd94ef8bca311b02dbaa3a3 [2022-11-25 23:14:49,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:14:49,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:14:49,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:14:49,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:14:49,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:14:49,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:14:49" (1/1) ... [2022-11-25 23:14:49,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782a6f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:49, skipping insertion in model container [2022-11-25 23:14:49,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:14:49" (1/1) ... [2022-11-25 23:14:49,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:14:49,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:14:50,418 WARN L237 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_e5139399-d655-437f-b5e9-4974791455eb/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2022-11-25 23:14:50,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:14:50,550 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:14:50,582 WARN L237 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_e5139399-d655-437f-b5e9-4974791455eb/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2022-11-25 23:14:50,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:14:50,671 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:14:50,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50 WrapperNode [2022-11-25 23:14:50,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:14:50,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:14:50,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:14:50,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:14:50,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,807 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-25 23:14:50,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:14:50,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:14:50,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:14:50,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:14:50,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,931 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:14:50,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:14:50,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:14:50,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:14:50,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (1/1) ... [2022-11-25 23:14:50,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:14:50,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:14:50,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:14:51,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:14:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:14:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:14:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:14:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:14:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:14:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:14:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:14:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:14:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:14:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:14:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:14:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:14:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:14:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:14:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:14:51,296 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:14:51,298 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:14:52,585 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:14:52,954 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:14:52,954 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-25 23:14:52,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:14:52 BoogieIcfgContainer [2022-11-25 23:14:52,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:14:52,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:14:52,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:14:52,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:14:52,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:14:49" (1/3) ... [2022-11-25 23:14:52,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3919d4c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:14:52, skipping insertion in model container [2022-11-25 23:14:52,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:14:50" (2/3) ... [2022-11-25 23:14:52,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3919d4c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:14:52, skipping insertion in model container [2022-11-25 23:14:52,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:14:52" (3/3) ... [2022-11-25 23:14:52,971 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test1-2.i [2022-11-25 23:14:52,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:14:52,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:14:53,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:14:53,057 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;@7a37cdf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:14:53,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:14:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 23:14:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:14:53,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:14:53,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:14:53,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:14:53,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:14:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-25 23:14:53,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:14:53,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956260914] [2022-11-25 23:14:53,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:14:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:14:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:14:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:14:53,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:14:53,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956260914] [2022-11-25 23:14:53,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956260914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:14:53,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:14:53,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:14:53,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122266869] [2022-11-25 23:14:53,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:14:53,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:14:53,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:14:53,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:14:53,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:14:53,403 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:14:54,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:14:54,254 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-25 23:14:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:14:54,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:14:54,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:14:54,271 INFO L225 Difference]: With dead ends: 237 [2022-11-25 23:14:54,271 INFO L226 Difference]: Without dead ends: 128 [2022-11-25 23:14:54,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:14:54,278 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:14:54,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:14:54,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-25 23:14:54,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-25 23:14:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 23:14:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-25 23:14:54,324 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-25 23:14:54,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:14:54,325 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-25 23:14:54,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:14:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-25 23:14:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 23:14:54,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:14:54,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:14:54,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:14:54,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:14:54,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:14:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-25 23:14:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:14:54,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518244930] [2022-11-25 23:14:54,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:14:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:14:54,488 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:14:54,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647132317] [2022-11-25 23:14:54,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:14:54,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:14:54,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:14:54,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:14:54,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:14:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:14:55,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:14:55,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:14:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:14:55,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:14:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:14:55,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:14:55,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518244930] [2022-11-25 23:14:55,579 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:14:55,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647132317] [2022-11-25 23:14:55,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647132317] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:14:55,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1404897807] [2022-11-25 23:14:55,614 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-25 23:14:55,615 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:14:55,619 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:14:55,626 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:14:55,627 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:14:55,786 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:14:55,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 23:14:55,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:55,808 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 [2022-11-25 23:14:55,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:55,824 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 [2022-11-25 23:14:55,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:55,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:14:55,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:55,850 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:14:55,850 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-25 23:14:55,896 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:14:55,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:14:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:14:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-25 23:14:56,492 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 [2022-11-25 23:14:56,515 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 [2022-11-25 23:14:56,954 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 [2022-11-25 23:14:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:14:57,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:14:57,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 23:14:57,128 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 [2022-11-25 23:14:57,169 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:15:05,127 WARN L233 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:15:12,761 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:15:12,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1404897807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:12,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:15:12,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-25 23:15:12,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244777354] [2022-11-25 23:15:12,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:12,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:15:12,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:12,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:15:12,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-25 23:15:12,774 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:18,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:15:20,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:15:21,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:21,845 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-25 23:15:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:15:21,854 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-25 23:15:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:21,857 INFO L225 Difference]: With dead ends: 171 [2022-11-25 23:15:21,857 INFO L226 Difference]: Without dead ends: 92 [2022-11-25 23:15:21,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-25 23:15:21,861 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:21,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-11-25 23:15:21,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-25 23:15:21,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-11-25 23:15:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 23:15:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-25 23:15:21,915 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-25 23:15:21,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:21,915 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-25 23:15:21,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:15:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-25 23:15:21,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 23:15:21,918 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:21,919 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:15:21,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:15:22,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-25 23:15:22,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:22,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:22,136 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-25 23:15:22,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:22,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512189386] [2022-11-25 23:15:22,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:22,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:22,197 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:22,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1981674811] [2022-11-25 23:15:22,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:22,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:22,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:22,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:22,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:15:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:22,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:15:22,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:22,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:15:22,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:15:23,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:23,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512189386] [2022-11-25 23:15:23,086 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:23,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981674811] [2022-11-25 23:15:23,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981674811] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:23,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [580578522] [2022-11-25 23:15:23,091 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-25 23:15:23,091 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:23,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:23,092 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:23,092 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,141 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 [2022-11-25 23:15:23,187 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:15:23,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:15:23,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:23,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-25 23:15:23,220 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 [2022-11-25 23:15:23,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:15:23,579 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 [2022-11-25 23:15:23,597 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 [2022-11-25 23:15:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:15:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-25 23:15:23,800 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 [2022-11-25 23:15:23,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:15:23,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:23,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:15:23,969 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 [2022-11-25 23:15:24,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:24,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:15:24,080 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 [2022-11-25 23:15:24,111 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 [2022-11-25 23:15:24,189 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:15:24,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-25 23:15:24,290 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:15:24,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:15:25,370 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 [2022-11-25 23:15:25,393 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 [2022-11-25 23:15:25,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:15:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 23:15:25,588 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 [2022-11-25 23:15:25,601 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 [2022-11-25 23:15:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-25 23:15:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:25,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-25 23:15:25,855 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 [2022-11-25 23:15:25,888 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 [2022-11-25 23:15:25,965 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:15:25,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-25 23:15:26,059 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:15:26,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:15:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:26,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:15:26,246 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-25 23:15:26,363 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:15:33,117 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:15:40,714 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:15:50,971 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:16:03,421 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:16:15,924 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:16:16,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [580578522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:16,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 23:16:16,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-25 23:16:16,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628759430] [2022-11-25 23:16:16,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:16,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 23:16:16,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:16,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 23:16:16,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-25 23:16:16,890 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:16:19,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:21,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:23,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:25,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:27,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:29,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:31,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:33,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:35,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:44,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 23:16:46,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:46,902 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-25 23:16:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:16:46,907 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-11-25 23:16:46,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:46,908 INFO L225 Difference]: With dead ends: 175 [2022-11-25 23:16:46,909 INFO L226 Difference]: Without dead ends: 96 [2022-11-25 23:16:46,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.5s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-25 23:16:46,910 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:46,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 343 Invalid, 10 Unknown, 0 Unchecked, 29.9s Time] [2022-11-25 23:16:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-25 23:16:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-25 23:16:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 23:16:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-25 23:16:46,943 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-25 23:16:46,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:46,943 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-25 23:16:46,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:16:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-25 23:16:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 23:16:46,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:46,946 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:16:46,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:47,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:47,151 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:16:47,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:47,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-25 23:16:47,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:47,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656857796] [2022-11-25 23:16:47,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:47,230 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:16:47,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645149460] [2022-11-25 23:16:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:47,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:47,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:47,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:47,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5139399-d655-437f-b5e9-4974791455eb/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:16:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:47,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:16:47,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:16:48,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:16:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:16:48,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:48,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656857796] [2022-11-25 23:16:48,108 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:16:48,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645149460] [2022-11-25 23:16:48,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645149460] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:16:48,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [533150775] [2022-11-25 23:16:48,113 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-25 23:16:48,113 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:16:48,114 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:16:48,114 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:16:48,114 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:16:48,197 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:16:48,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 23:16:48,210 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 [2022-11-25 23:16:48,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:48,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-25 23:16:48,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:16:48,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 23:16:48,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 23:16:48,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 23:16:48,714 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 [2022-11-25 23:16:48,733 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 [2022-11-25 23:16:48,768 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 [2022-11-25 23:16:48,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:16:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:16:48,932 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 [2022-11-25 23:16:48,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:48,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 23:16:49,041 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 [2022-11-25 23:16:49,085 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 [2022-11-25 23:16:49,193 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:16:49,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 23:16:49,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-25 23:16:49,429 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 13 treesize of output 9 [2022-11-25 23:16:49,436 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 [2022-11-25 23:16:49,442 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 [2022-11-25 23:16:49,503 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:16:49,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-25 23:16:49,550 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 23:16:49,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-25 23:16:49,596 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:16:49,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-25 23:16:49,647 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 [2022-11-25 23:16:49,654 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 [2022-11-25 23:16:49,663 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 [2022-11-25 23:16:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:49,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-25 23:16:49,798 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 [2022-11-25 23:16:49,820 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 [2022-11-25 23:16:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:50,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-25 23:16:50,072 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 [2022-11-25 23:16:50,095 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 [2022-11-25 23:16:51,217 INFO L217 Elim1Store]: Index analysis took 744 ms [2022-11-25 23:16:53,367 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-25 23:16:53,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-11-25 23:16:54,530 INFO L217 Elim1Store]: Index analysis took 869 ms [2022-11-25 23:16:58,653 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-25 23:16:58,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-11-25 23:17:09,607 WARN L233 SmtUtils]: Spent 10.90s 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) [2022-11-25 23:17:09,608 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:17:09,608 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 1476 [2022-11-25 23:17:09,820 INFO L217 Elim1Store]: Index analysis took 127 ms [2022-11-25 23:17:39,430 WARN L233 SmtUtils]: Spent 29.61s 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) [2022-11-25 23:17:39,430 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:17:39,431 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 1834 [2022-11-25 23:17:40,521 INFO L217 Elim1Store]: Index analysis took 857 ms [2022-11-25 23:18:13,823 WARN L233 SmtUtils]: Spent 32.62s 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) [2022-11-25 23:18:13,824 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-25 23:18:13,825 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 [2022-11-25 23:18:15,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:15,429 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-25 23:18:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:15,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:18:15,673 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-11-25 23:18:15,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-25 23:21:37,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:37,351 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 17 treesize of output 11 [2022-11-25 23:21:37,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:37,554 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 17 treesize of output 11 [2022-11-25 23:25:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,762 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 17 treesize of output 11 [2022-11-25 23:25:31,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,963 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 17 treesize of output 11