./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 15:52:51,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:52:51,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:52:51,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:52:51,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:52:51,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:52:51,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:52:51,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:52:51,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:52:51,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:52:51,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:52:51,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:52:51,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:52:51,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:52:51,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:52:51,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:52:51,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:52:51,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:52:51,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:52:51,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:52:51,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:52:51,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:52:51,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:52:51,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:52:51,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:52:51,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:52:51,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:52:51,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:52:51,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:52:51,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:52:51,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:52:51,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:52:51,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:52:51,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:52:51,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:52:51,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:52:51,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:52:51,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:52:51,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:52:51,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:52:51,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:52:51,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 15:52:51,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:52:51,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:52:51,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:52:51,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:52:51,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:52:51,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:52:51,376 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:52:51,376 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:52:51,376 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:52:51,377 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:52:51,377 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:52:51,377 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:52:51,377 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:52:51,377 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:52:51,378 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:52:51,378 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:52:51,378 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:52:51,378 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:52:51,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:52:51,379 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 15:52:51,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:52:51,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:52:51,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 15:52:51,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:52:51,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:52:51,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:52:51,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:52:51,380 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 15:52:51,381 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 15:52:51,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:52:51,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:52:51,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:52:51,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:52:51,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:52:51,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:52:51,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:52:51,382 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:52:51,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:52:51,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:52:51,386 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:52:51,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:52:51,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:52:51,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:52:51,387 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_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2022-11-16 15:52:51,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:52:51,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:52:51,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:52:51,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:52:51,684 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:52:51,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2022-11-16 15:52:51,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/data/84b3cdd18/b1a74ce36d1a45058a758987aaa9db61/FLAGf4dd832ae [2022-11-16 15:52:52,431 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:52:52,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2022-11-16 15:52:52,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/data/84b3cdd18/b1a74ce36d1a45058a758987aaa9db61/FLAGf4dd832ae [2022-11-16 15:52:52,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/data/84b3cdd18/b1a74ce36d1a45058a758987aaa9db61 [2022-11-16 15:52:52,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:52:52,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:52:52,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:52:52,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:52:52,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:52:52,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:52:52" (1/1) ... [2022-11-16 15:52:52,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54079e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:52, skipping insertion in model container [2022-11-16 15:52:52,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:52:52" (1/1) ... [2022-11-16 15:52:52,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:52:52,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:52:53,321 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2022-11-16 15:52:53,479 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2022-11-16 15:52:53,483 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2022-11-16 15:52:53,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:52:53,521 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:52:53,559 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2022-11-16 15:52:53,638 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2022-11-16 15:52:53,639 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2022-11-16 15:52:53,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:52:53,701 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:52:53,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53 WrapperNode [2022-11-16 15:52:53,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:52:53,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:52:53,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:52:53,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:52:53,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:53,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:53,852 INFO L138 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1153 [2022-11-16 15:52:53,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:52:53,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:52:53,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:52:53,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:52:53,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:53,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:53,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:53,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:53,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:53,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:54,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:54,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:54,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:52:54,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:52:54,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:52:54,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:52:54,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (1/1) ... [2022-11-16 15:52:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:52:54,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:52:54,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:52:54,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:52:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 15:52:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 15:52:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 15:52:54,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 15:52:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 15:52:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 15:52:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 15:52:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 15:52:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 15:52:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 15:52:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 15:52:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 15:52:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:52:54,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:52:54,323 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:52:54,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:52:56,141 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:52:56,648 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:52:56,649 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-11-16 15:52:56,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:52:56 BoogieIcfgContainer [2022-11-16 15:52:56,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:52:56,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:52:56,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:52:56,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:52:56,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:52:52" (1/3) ... [2022-11-16 15:52:56,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307e70da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:52:56, skipping insertion in model container [2022-11-16 15:52:56,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:52:53" (2/3) ... [2022-11-16 15:52:56,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307e70da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:52:56, skipping insertion in model container [2022-11-16 15:52:56,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:52:56" (3/3) ... [2022-11-16 15:52:56,667 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-2.i [2022-11-16 15:52:56,690 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:52:56,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-16 15:52:56,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 15:52:56,773 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;@2aa4c89b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 15:52:56,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-16 15:52:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 15:52:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 15:52:56,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:52:56,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 15:52:56,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-16 15:52:56,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:52:56,796 INFO L85 PathProgramCache]: Analyzing trace with hash 28166472, now seen corresponding path program 1 times [2022-11-16 15:52:56,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:52:56,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734286011] [2022-11-16 15:52:56,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:52:56,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:52:56,953 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:52:56,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853829493] [2022-11-16 15:52:56,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:52:56,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:52:56,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:52:56,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:52:56,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 15:52:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:52:57,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-16 15:52:57,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:52:57,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 15:52:57,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 15:52:57,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:52:57,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 15:52:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:52:57,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:52:57,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:52:57,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734286011] [2022-11-16 15:52:57,374 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:52:57,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853829493] [2022-11-16 15:52:57,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853829493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:52:57,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:52:57,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:52:57,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007366208] [2022-11-16 15:52:57,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:52:57,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:52:57,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:52:57,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:52:57,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:52:57,437 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:52:59,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 15:53:01,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 15:53:01,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:01,749 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2022-11-16 15:53:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:53:01,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-16 15:53:01,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:01,765 INFO L225 Difference]: With dead ends: 316 [2022-11-16 15:53:01,765 INFO L226 Difference]: Without dead ends: 165 [2022-11-16 15:53:01,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:01,771 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:01,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 319 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-16 15:53:01,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-16 15:53:01,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-11-16 15:53:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 15:53:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-11-16 15:53:01,819 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-11-16 15:53:01,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:01,820 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-11-16 15:53:01,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:01,820 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-11-16 15:53:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 15:53:01,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:01,823 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] [2022-11-16 15:53:01,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 15:53:02,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 15:53:02,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-16 15:53:02,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1476887490, now seen corresponding path program 1 times [2022-11-16 15:53:02,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:02,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501618062] [2022-11-16 15:53:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:02,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:02,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:02,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501618062] [2022-11-16 15:53:02,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501618062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:02,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:02,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 15:53:02,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081505568] [2022-11-16 15:53:02,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:02,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:53:02,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:02,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:53:02,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:53:02,571 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:04,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:04,363 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-11-16 15:53:04,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:53:04,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-16 15:53:04,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:04,369 INFO L225 Difference]: With dead ends: 211 [2022-11-16 15:53:04,369 INFO L226 Difference]: Without dead ends: 159 [2022-11-16 15:53:04,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:04,370 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:04,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 15:53:04,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-16 15:53:04,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-11-16 15:53:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 15:53:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-11-16 15:53:04,388 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-11-16 15:53:04,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:04,389 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-11-16 15:53:04,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-11-16 15:53:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 15:53:04,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:04,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:53:04,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 15:53:04,392 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-16 15:53:04,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:04,392 INFO L85 PathProgramCache]: Analyzing trace with hash 421230472, now seen corresponding path program 1 times [2022-11-16 15:53:04,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:04,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853106439] [2022-11-16 15:53:04,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:04,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:04,545 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:04,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868422096] [2022-11-16 15:53:04,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:04,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:04,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:04,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 15:53:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:05,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 15:53:05,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:05,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:05,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:05,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853106439] [2022-11-16 15:53:05,394 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:53:05,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868422096] [2022-11-16 15:53:05,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868422096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:05,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:05,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:53:05,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227587576] [2022-11-16 15:53:05,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:05,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:53:05,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:05,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:53:05,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:53:05,397 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:06,085 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-11-16 15:53:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:53:06,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-16 15:53:06,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:06,096 INFO L225 Difference]: With dead ends: 277 [2022-11-16 15:53:06,096 INFO L226 Difference]: Without dead ends: 165 [2022-11-16 15:53:06,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:53:06,099 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:06,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 216 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 15:53:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-16 15:53:06,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-11-16 15:53:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-16 15:53:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-11-16 15:53:06,121 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-11-16 15:53:06,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:06,121 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-11-16 15:53:06,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:53:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-11-16 15:53:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 15:53:06,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:06,124 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] [2022-11-16 15:53:06,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 15:53:06,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-16 15:53:06,332 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-16 15:53:06,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:06,332 INFO L85 PathProgramCache]: Analyzing trace with hash -722486566, now seen corresponding path program 1 times [2022-11-16 15:53:06,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:06,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820562409] [2022-11-16 15:53:06,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:06,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:06,392 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:06,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813068516] [2022-11-16 15:53:06,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:06,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:06,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:06,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:06,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 15:53:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:49,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 15:53:49,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:53:49,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:49,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:49,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820562409] [2022-11-16 15:53:49,126 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:53:49,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813068516] [2022-11-16 15:53:49,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813068516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:49,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:49,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 15:53:49,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111190051] [2022-11-16 15:53:49,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:49,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:53:49,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:49,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:53:49,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 15:53:49,133 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 15:53:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:50,474 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-11-16 15:53:50,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:53:50,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-16 15:53:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:50,482 INFO L225 Difference]: With dead ends: 308 [2022-11-16 15:53:50,482 INFO L226 Difference]: Without dead ends: 164 [2022-11-16 15:53:50,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:50,487 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:50,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 338 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 15:53:50,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-16 15:53:50,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-11-16 15:53:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 15:53:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-11-16 15:53:50,502 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-11-16 15:53:50,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:50,503 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-11-16 15:53:50,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 15:53:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-11-16 15:53:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 15:53:50,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:50,505 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:53:50,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 15:53:50,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:50,705 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-16 15:53:50,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1306539504, now seen corresponding path program 1 times [2022-11-16 15:53:50,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:50,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797393636] [2022-11-16 15:53:50,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:50,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:50,816 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:53:50,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437597975] [2022-11-16 15:53:50,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:50,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:50,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:50,818 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:50,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d05eed-c660-45e0-8e79-12fb6ed80199/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 15:54:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:54:27,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 15:54:27,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:54:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 15:54:27,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:54:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 15:54:27,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:54:27,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797393636] [2022-11-16 15:54:27,449 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:54:27,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437597975] [2022-11-16 15:54:27,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437597975] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 15:54:27,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [376957004] [2022-11-16 15:54:27,471 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-16 15:54:27,471 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 15:54:27,475 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 15:54:27,481 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 15:54:27,482 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 15:54:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,573 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 15:54:27,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-16 15:54:27,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 15:54:27,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-16 15:54:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 15:54:27,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 15:54:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,664 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 15:54:27,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-16 15:54:27,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 15:54:27,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-16 15:54:27,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,731 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 15:54:27,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-16 15:54:27,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,752 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 22 treesize of output 30 [2022-11-16 15:54:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:27,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2022-11-16 15:54:27,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-16 15:54:27,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-16 15:54:28,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:54:28,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-16 15:54:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9896993 treesize of output 5376298 [2022-11-16 15:54:28,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:54:28,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:54:28,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:54:28,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 15:54:28,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 15:54:28,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-16 15:54:28,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:54:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,963 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 15:54:28,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-16 15:54:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:28,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,061 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 15:54:29,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-16 15:54:29,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:54:29,319 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 [2022-11-16 15:54:29,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 15:54:29,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 15:54:29,379 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 15:54:29,379 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 [2022-11-16 15:54:29,411 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-16 15:54:29,412 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 [2022-11-16 15:54:29,444 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 15:54:29,444 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 [2022-11-16 15:54:29,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 15:54:29,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:54:29,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:54:29,565 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 46 treesize of output 16 [2022-11-16 15:54:29,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-16 15:54:29,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 15:54:29,871 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 46 treesize of output 16 [2022-11-16 15:54:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:29,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-16 15:54:29,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 15:54:31,392 INFO L217 Elim1Store]: Index analysis took 1046 ms [2022-11-16 15:54:40,841 WARN L233 SmtUtils]: Spent 9.45s on a formula simplification. DAG size of input: 85 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:54:40,842 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-16 15:54:40,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-11-16 15:54:41,918 INFO L217 Elim1Store]: Index analysis took 891 ms [2022-11-16 15:54:45,422 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-16 15:54:45,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519771 treesize of output 9519774 [2022-11-16 15:54:56,262 WARN L233 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:54:56,262 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-16 15:54:56,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-16 15:54:56,489 INFO L217 Elim1Store]: Index analysis took 131 ms [2022-11-16 15:55:14,680 WARN L233 SmtUtils]: Spent 18.19s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:55:14,681 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-16 15:55:14,681 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 [2022-11-16 15:55:15,588 INFO L217 Elim1Store]: Index analysis took 697 ms [2022-11-16 15:55:33,490 WARN L233 SmtUtils]: Spent 17.39s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:55:33,491 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-16 15:55:33,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-16 15:55:35,147 INFO L217 Elim1Store]: Index analysis took 167 ms [2022-11-16 15:55:35,709 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-16 15:55:35,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-16 15:55:35,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 15:55:36,760 INFO L217 Elim1Store]: Index analysis took 406 ms [2022-11-16 15:55:37,897 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 15:55:37,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-16 15:55:38,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:38,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-16 15:55:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:43,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-16 15:55:46,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:46,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-16 15:55:47,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:47,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:47,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-16 15:55:48,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:48,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-16 15:55:48,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:48,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-16 15:55:48,592 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:55:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:48,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-16 15:55:48,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:48,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:55:48,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-16 15:55:48,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:48,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-16 15:55:48,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:55:48,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13