./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/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_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 16:20:39,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:20:39,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:20:39,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:20:39,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:20:39,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:20:39,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:20:39,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:20:39,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:20:39,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:20:39,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:20:39,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:20:39,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:20:39,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:20:39,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:20:39,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:20:39,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:20:39,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:20:39,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:20:39,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:20:39,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:20:39,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:20:39,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:20:39,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:20:39,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:20:39,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:20:39,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:20:39,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:20:39,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:20:39,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:20:39,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:20:39,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:20:39,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:20:39,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:20:39,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:20:39,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:20:39,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:20:39,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:20:39,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:20:39,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:20:39,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:20:39,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 16:20:39,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:20:39,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:20:39,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:20:39,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:20:39,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:20:39,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:20:39,262 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:20:39,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:20:39,262 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:20:39,262 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:20:39,263 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:20:39,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:20:39,263 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:20:39,263 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:20:39,263 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:20:39,264 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:20:39,264 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:20:39,264 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:20:39,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:20:39,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:20:39,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:20:39,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:20:39,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:20:39,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:20:39,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:20:39,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:20:39,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:20:39,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:20:39,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:20:39,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:20:39,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:20:39,268 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:20:39,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:20:39,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:20:39,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:20:39,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:20:39,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:20:39,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:20:39,269 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_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2022-11-16 16:20:39,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:20:39,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:20:39,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:20:39,589 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:20:39,590 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:20:39,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-16 16:20:39,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/data/cb6986ee6/b69dc8ebe9854a2a986f338ac9ca5c3c/FLAG96b9b7662 [2022-11-16 16:20:40,622 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:20:40,623 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-16 16:20:40,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/data/cb6986ee6/b69dc8ebe9854a2a986f338ac9ca5c3c/FLAG96b9b7662 [2022-11-16 16:20:41,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/data/cb6986ee6/b69dc8ebe9854a2a986f338ac9ca5c3c [2022-11-16 16:20:41,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:20:41,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:20:41,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:20:41,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:20:41,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:20:41,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:20:41" (1/1) ... [2022-11-16 16:20:41,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7127959e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:41, skipping insertion in model container [2022-11-16 16:20:41,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:20:41" (1/1) ... [2022-11-16 16:20:41,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:20:41,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:20:42,233 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_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2022-11-16 16:20:42,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:20:42,961 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:20:43,129 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_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2022-11-16 16:20:43,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:20:43,365 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:20:43,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43 WrapperNode [2022-11-16 16:20:43,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:20:43,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:20:43,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:20:43,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:20:43,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,494 INFO L138 Inliner]: procedures = 157, calls = 675, calls flagged for inlining = 60, calls inlined = 51, statements flattened = 1525 [2022-11-16 16:20:43,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:20:43,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:20:43,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:20:43,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:20:43,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:20:43,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:20:43,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:20:43,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:20:43,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (1/1) ... [2022-11-16 16:20:43,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:20:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:20:43,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:20:43,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:20:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-11-16 16:20:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-11-16 16:20:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-11-16 16:20:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-11-16 16:20:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-11-16 16:20:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-11-16 16:20:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 16:20:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-11-16 16:20:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-11-16 16:20:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-11-16 16:20:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-11-16 16:20:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 16:20:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 16:20:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 16:20:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 16:20:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 16:20:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2022-11-16 16:20:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2022-11-16 16:20:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-11-16 16:20:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-11-16 16:20:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-16 16:20:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-16 16:20:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-11-16 16:20:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-11-16 16:20:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 16:20:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 16:20:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 16:20:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 16:20:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 16:20:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 16:20:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-16 16:20:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-16 16:20:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-11-16 16:20:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-11-16 16:20:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-11-16 16:20:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-11-16 16:20:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 16:20:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 16:20:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-11-16 16:20:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-11-16 16:20:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-11-16 16:20:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-11-16 16:20:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 16:20:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 16:20:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:20:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 16:20:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 16:20:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 16:20:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 16:20:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-11-16 16:20:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-11-16 16:20:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-11-16 16:20:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-11-16 16:20:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 16:20:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 16:20:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-11-16 16:20:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-11-16 16:20:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 16:20:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-16 16:20:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-16 16:20:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-16 16:20:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-16 16:20:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 16:20:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 16:20:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-11-16 16:20:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-11-16 16:20:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:20:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-11-16 16:20:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-11-16 16:20:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-11-16 16:20:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-11-16 16:20:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 16:20:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 16:20:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:20:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 16:20:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2022-11-16 16:20:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2022-11-16 16:20:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 16:20:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 16:20:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2022-11-16 16:20:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2022-11-16 16:20:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 16:20:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-16 16:20:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-16 16:20:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 16:20:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 16:20:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-11-16 16:20:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-11-16 16:20:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-11-16 16:20:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-11-16 16:20:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-11-16 16:20:43,820 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-11-16 16:20:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 16:20:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 16:20:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:20:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 16:20:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2022-11-16 16:20:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2022-11-16 16:20:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2022-11-16 16:20:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2022-11-16 16:20:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 16:20:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 16:20:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 16:20:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 16:20:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2022-11-16 16:20:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2022-11-16 16:20:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2022-11-16 16:20:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2022-11-16 16:20:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-16 16:20:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-16 16:20:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:20:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 16:20:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 16:20:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 16:20:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-11-16 16:20:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-11-16 16:20:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:20:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:20:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2022-11-16 16:20:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2022-11-16 16:20:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-11-16 16:20:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-11-16 16:20:44,451 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:20:44,454 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:20:44,805 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 16:20:45,734 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-16 16:20:47,904 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:20:48,512 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:20:48,513 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 16:20:48,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:20:48 BoogieIcfgContainer [2022-11-16 16:20:48,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:20:48,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:20:48,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:20:48,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:20:48,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:20:41" (1/3) ... [2022-11-16 16:20:48,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd03fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:20:48, skipping insertion in model container [2022-11-16 16:20:48,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:20:43" (2/3) ... [2022-11-16 16:20:48,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd03fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:20:48, skipping insertion in model container [2022-11-16 16:20:48,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:20:48" (3/3) ... [2022-11-16 16:20:48,530 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2022-11-16 16:20:48,554 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:20:48,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:20:48,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:20:48,654 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2fecf015, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:20:48,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:20:48,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 565 states, 345 states have (on average 1.3710144927536232) internal successors, (473), 369 states have internal predecessors, (473), 167 states have call successors, (167), 53 states have call predecessors, (167), 51 states have return successors, (161), 156 states have call predecessors, (161), 161 states have call successors, (161) [2022-11-16 16:20:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 16:20:48,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:20:48,679 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:20:48,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:20:48,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:20:48,686 INFO L85 PathProgramCache]: Analyzing trace with hash 298857591, now seen corresponding path program 1 times [2022-11-16 16:20:48,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:20:48,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361183988] [2022-11-16 16:20:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:20:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:20:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:20:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 16:20:49,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:20:49,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361183988] [2022-11-16 16:20:49,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361183988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:20:49,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:20:49,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:20:49,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750205956] [2022-11-16 16:20:49,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:20:49,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:20:49,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:20:49,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:20:49,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:20:49,501 INFO L87 Difference]: Start difference. First operand has 565 states, 345 states have (on average 1.3710144927536232) internal successors, (473), 369 states have internal predecessors, (473), 167 states have call successors, (167), 53 states have call predecessors, (167), 51 states have return successors, (161), 156 states have call predecessors, (161), 161 states have call successors, (161) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 16:20:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:20:52,107 INFO L93 Difference]: Finished difference Result 1635 states and 2313 transitions. [2022-11-16 16:20:52,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:20:52,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-11-16 16:20:52,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:20:52,135 INFO L225 Difference]: With dead ends: 1635 [2022-11-16 16:20:52,135 INFO L226 Difference]: Without dead ends: 1064 [2022-11-16 16:20:52,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:20:52,148 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 737 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:20:52,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 1532 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-16 16:20:52,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2022-11-16 16:20:52,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1064. [2022-11-16 16:20:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 657 states have (on average 1.3455098934550989) internal successors, (884), 684 states have internal predecessors, (884), 306 states have call successors, (306), 101 states have call predecessors, (306), 100 states have return successors, (301), 291 states have call predecessors, (301), 301 states have call successors, (301) [2022-11-16 16:20:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1491 transitions. [2022-11-16 16:20:52,355 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1491 transitions. Word has length 48 [2022-11-16 16:20:52,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:20:52,356 INFO L495 AbstractCegarLoop]: Abstraction has 1064 states and 1491 transitions. [2022-11-16 16:20:52,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 16:20:52,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1491 transitions. [2022-11-16 16:20:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 16:20:52,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:20:52,372 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:20:52,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:20:52,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:20:52,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:20:52,373 INFO L85 PathProgramCache]: Analyzing trace with hash 705439129, now seen corresponding path program 1 times [2022-11-16 16:20:52,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:20:52,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892087818] [2022-11-16 16:20:52,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:20:52,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:20:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:20:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 16:20:52,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:20:52,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892087818] [2022-11-16 16:20:52,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892087818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:20:52,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:20:52,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:20:52,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395874959] [2022-11-16 16:20:52,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:20:52,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:20:52,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:20:52,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:20:52,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:20:52,935 INFO L87 Difference]: Start difference. First operand 1064 states and 1491 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:20:55,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:20:55,337 INFO L93 Difference]: Finished difference Result 2086 states and 2915 transitions. [2022-11-16 16:20:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:20:55,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2022-11-16 16:20:55,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:20:55,353 INFO L225 Difference]: With dead ends: 2086 [2022-11-16 16:20:55,354 INFO L226 Difference]: Without dead ends: 2083 [2022-11-16 16:20:55,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:20:55,357 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 721 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:20:55,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 1506 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-16 16:20:55,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2022-11-16 16:20:55,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 2071. [2022-11-16 16:20:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1280 states have (on average 1.34296875) internal successors, (1719), 1330 states have internal predecessors, (1719), 592 states have call successors, (592), 201 states have call predecessors, (592), 198 states have return successors, (587), 563 states have call predecessors, (587), 587 states have call successors, (587) [2022-11-16 16:20:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2898 transitions. [2022-11-16 16:20:55,575 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2898 transitions. Word has length 55 [2022-11-16 16:20:55,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:20:55,577 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 2898 transitions. [2022-11-16 16:20:55,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:20:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2898 transitions. [2022-11-16 16:20:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-16 16:20:55,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:20:55,584 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:20:55,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 16:20:55,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:20:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:20:55,592 INFO L85 PathProgramCache]: Analyzing trace with hash 393361135, now seen corresponding path program 1 times [2022-11-16 16:20:55,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:20:55,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398851646] [2022-11-16 16:20:55,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:20:55,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:20:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:20:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 16:20:56,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:20:56,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398851646] [2022-11-16 16:20:56,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398851646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:20:56,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:20:56,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:20:56,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973926988] [2022-11-16 16:20:56,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:20:56,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:20:56,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:20:56,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:20:56,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:20:56,148 INFO L87 Difference]: Start difference. First operand 2071 states and 2898 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:20:58,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:20:58,230 INFO L93 Difference]: Finished difference Result 5090 states and 7112 transitions. [2022-11-16 16:20:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:20:58,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2022-11-16 16:20:58,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:20:58,249 INFO L225 Difference]: With dead ends: 5090 [2022-11-16 16:20:58,249 INFO L226 Difference]: Without dead ends: 3031 [2022-11-16 16:20:58,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:20:58,259 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 675 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 16:20:58,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1489 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 16:20:58,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2022-11-16 16:20:58,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 3021. [2022-11-16 16:20:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3021 states, 1872 states have (on average 1.3456196581196582) internal successors, (2519), 1945 states have internal predecessors, (2519), 852 states have call successors, (852), 299 states have call predecessors, (852), 296 states have return successors, (847), 811 states have call predecessors, (847), 847 states have call successors, (847) [2022-11-16 16:20:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 3021 states and 4218 transitions. [2022-11-16 16:20:58,480 INFO L78 Accepts]: Start accepts. Automaton has 3021 states and 4218 transitions. Word has length 56 [2022-11-16 16:20:58,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:20:58,481 INFO L495 AbstractCegarLoop]: Abstraction has 3021 states and 4218 transitions. [2022-11-16 16:20:58,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:20:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 4218 transitions. [2022-11-16 16:20:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-16 16:20:58,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:20:58,484 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:20:58,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 16:20:58,484 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:20:58,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:20:58,485 INFO L85 PathProgramCache]: Analyzing trace with hash -691117220, now seen corresponding path program 1 times [2022-11-16 16:20:58,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:20:58,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751436243] [2022-11-16 16:20:58,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:20:58,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:20:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:20:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 16:20:58,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:20:58,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751436243] [2022-11-16 16:20:58,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751436243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:20:58,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:20:58,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:20:58,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49067295] [2022-11-16 16:20:58,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:20:58,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:20:58,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:20:58,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:20:58,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:20:58,650 INFO L87 Difference]: Start difference. First operand 3021 states and 4218 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:21:02,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:02,037 INFO L93 Difference]: Finished difference Result 3961 states and 5547 transitions. [2022-11-16 16:21:02,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:21:02,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-11-16 16:21:02,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:02,064 INFO L225 Difference]: With dead ends: 3961 [2022-11-16 16:21:02,064 INFO L226 Difference]: Without dead ends: 3958 [2022-11-16 16:21:02,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:02,069 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 661 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:02,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 1497 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 16:21:02,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2022-11-16 16:21:02,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2022-11-16 16:21:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3948 states, 2451 states have (on average 1.3488372093023255) internal successors, (3306), 2551 states have internal predecessors, (3306), 1108 states have call successors, (1108), 393 states have call predecessors, (1108), 388 states have return successors, (1119), 1049 states have call predecessors, (1119), 1103 states have call successors, (1119) [2022-11-16 16:21:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 5533 transitions. [2022-11-16 16:21:02,344 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 5533 transitions. Word has length 57 [2022-11-16 16:21:02,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:02,344 INFO L495 AbstractCegarLoop]: Abstraction has 3948 states and 5533 transitions. [2022-11-16 16:21:02,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:21:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 5533 transitions. [2022-11-16 16:21:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 16:21:02,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:02,349 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:02,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 16:21:02,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:02,353 INFO L85 PathProgramCache]: Analyzing trace with hash 49797010, now seen corresponding path program 1 times [2022-11-16 16:21:02,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:02,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368411244] [2022-11-16 16:21:02,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 16:21:02,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:02,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368411244] [2022-11-16 16:21:02,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368411244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:21:02,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:21:02,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:21:02,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095709039] [2022-11-16 16:21:02,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:21:02,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:21:02,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:21:02,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:21:02,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:02,559 INFO L87 Difference]: Start difference. First operand 3948 states and 5533 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:21:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:04,187 INFO L93 Difference]: Finished difference Result 3950 states and 5534 transitions. [2022-11-16 16:21:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:21:04,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-11-16 16:21:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:04,215 INFO L225 Difference]: With dead ends: 3950 [2022-11-16 16:21:04,215 INFO L226 Difference]: Without dead ends: 3947 [2022-11-16 16:21:04,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:04,221 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 746 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:04,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 685 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 16:21:04,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2022-11-16 16:21:04,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2022-11-16 16:21:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 2451 states have (on average 1.3484292125662996) internal successors, (3305), 2550 states have internal predecessors, (3305), 1107 states have call successors, (1107), 393 states have call predecessors, (1107), 388 states have return successors, (1119), 1049 states have call predecessors, (1119), 1103 states have call successors, (1119) [2022-11-16 16:21:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5531 transitions. [2022-11-16 16:21:04,510 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5531 transitions. Word has length 58 [2022-11-16 16:21:04,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:04,511 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 5531 transitions. [2022-11-16 16:21:04,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:21:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5531 transitions. [2022-11-16 16:21:04,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-16 16:21:04,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:04,514 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:04,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 16:21:04,515 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:04,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:04,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1543306527, now seen corresponding path program 1 times [2022-11-16 16:21:04,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:04,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85459240] [2022-11-16 16:21:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:04,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 16:21:04,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:04,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85459240] [2022-11-16 16:21:04,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85459240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:21:04,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:21:04,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:21:04,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312579115] [2022-11-16 16:21:04,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:21:04,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:21:04,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:21:04,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:21:04,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:04,753 INFO L87 Difference]: Start difference. First operand 3947 states and 5531 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:21:06,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:06,640 INFO L93 Difference]: Finished difference Result 3949 states and 5532 transitions. [2022-11-16 16:21:06,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:21:06,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 59 [2022-11-16 16:21:06,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:06,669 INFO L225 Difference]: With dead ends: 3949 [2022-11-16 16:21:06,669 INFO L226 Difference]: Without dead ends: 3934 [2022-11-16 16:21:06,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:06,676 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 743 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:06,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 684 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 16:21:06,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2022-11-16 16:21:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3934. [2022-11-16 16:21:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3934 states, 2441 states have (on average 1.3478082752970095) internal successors, (3290), 2539 states have internal predecessors, (3290), 1105 states have call successors, (1105), 392 states have call predecessors, (1105), 387 states have return successors, (1118), 1048 states have call predecessors, (1118), 1102 states have call successors, (1118) [2022-11-16 16:21:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 5513 transitions. [2022-11-16 16:21:07,092 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 5513 transitions. Word has length 59 [2022-11-16 16:21:07,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:07,093 INFO L495 AbstractCegarLoop]: Abstraction has 3934 states and 5513 transitions. [2022-11-16 16:21:07,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-16 16:21:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 5513 transitions. [2022-11-16 16:21:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-16 16:21:07,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:07,103 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:07,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 16:21:07,103 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:07,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:07,104 INFO L85 PathProgramCache]: Analyzing trace with hash -922262970, now seen corresponding path program 1 times [2022-11-16 16:21:07,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:07,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508371] [2022-11-16 16:21:07,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:07,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 16:21:07,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:07,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508371] [2022-11-16 16:21:07,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:21:07,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:21:07,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:21:07,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323954212] [2022-11-16 16:21:07,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:21:07,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:21:07,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:21:07,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:21:07,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:07,347 INFO L87 Difference]: Start difference. First operand 3934 states and 5513 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 16:21:08,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:21:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:10,576 INFO L93 Difference]: Finished difference Result 10204 states and 14213 transitions. [2022-11-16 16:21:10,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:21:10,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2022-11-16 16:21:10,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:10,617 INFO L225 Difference]: With dead ends: 10204 [2022-11-16 16:21:10,617 INFO L226 Difference]: Without dead ends: 6282 [2022-11-16 16:21:10,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:10,634 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 438 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:10,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1417 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 16:21:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6282 states. [2022-11-16 16:21:11,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6282 to 6262. [2022-11-16 16:21:11,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6262 states, 3909 states have (on average 1.352519826042466) internal successors, (5287), 4027 states have internal predecessors, (5287), 1693 states have call successors, (1693), 664 states have call predecessors, (1693), 659 states have return successors, (1706), 1636 states have call predecessors, (1706), 1690 states have call successors, (1706) [2022-11-16 16:21:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 8686 transitions. [2022-11-16 16:21:11,154 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 8686 transitions. Word has length 114 [2022-11-16 16:21:11,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:11,155 INFO L495 AbstractCegarLoop]: Abstraction has 6262 states and 8686 transitions. [2022-11-16 16:21:11,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 16:21:11,156 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 8686 transitions. [2022-11-16 16:21:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-16 16:21:11,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:11,174 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:11,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 16:21:11,174 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:11,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:11,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2045695614, now seen corresponding path program 1 times [2022-11-16 16:21:11,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:11,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381627701] [2022-11-16 16:21:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:11,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-16 16:21:11,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:11,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381627701] [2022-11-16 16:21:11,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381627701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:21:11,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:21:11,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:21:11,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094401521] [2022-11-16 16:21:11,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:21:11,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:21:11,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:21:11,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:21:11,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:21:11,485 INFO L87 Difference]: Start difference. First operand 6262 states and 8686 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 16:21:15,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:15,081 INFO L93 Difference]: Finished difference Result 13941 states and 19731 transitions. [2022-11-16 16:21:15,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:21:15,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2022-11-16 16:21:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:15,152 INFO L225 Difference]: With dead ends: 13941 [2022-11-16 16:21:15,153 INFO L226 Difference]: Without dead ends: 7691 [2022-11-16 16:21:15,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:21:15,178 INFO L413 NwaCegarLoop]: 976 mSDtfsCounter, 1106 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:15,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1740 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 16:21:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7691 states. [2022-11-16 16:21:15,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7691 to 6270. [2022-11-16 16:21:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 3917 states have (on average 1.350268062292571) internal successors, (5289), 4035 states have internal predecessors, (5289), 1693 states have call successors, (1693), 664 states have call predecessors, (1693), 659 states have return successors, (1706), 1636 states have call predecessors, (1706), 1690 states have call successors, (1706) [2022-11-16 16:21:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 8688 transitions. [2022-11-16 16:21:15,745 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 8688 transitions. Word has length 138 [2022-11-16 16:21:15,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:15,745 INFO L495 AbstractCegarLoop]: Abstraction has 6270 states and 8688 transitions. [2022-11-16 16:21:15,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 16:21:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 8688 transitions. [2022-11-16 16:21:15,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-16 16:21:15,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:15,756 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:15,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 16:21:15,756 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:15,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1862548578, now seen corresponding path program 1 times [2022-11-16 16:21:15,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:15,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175810809] [2022-11-16 16:21:15,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-16 16:21:15,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:15,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175810809] [2022-11-16 16:21:15,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175810809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:21:15,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:21:15,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:21:15,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737552715] [2022-11-16 16:21:15,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:21:15,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:21:15,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:21:15,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:21:15,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:15,952 INFO L87 Difference]: Start difference. First operand 6270 states and 8688 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 16:21:20,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:20,428 INFO L93 Difference]: Finished difference Result 15685 states and 21720 transitions. [2022-11-16 16:21:20,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:21:20,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 140 [2022-11-16 16:21:20,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:20,479 INFO L225 Difference]: With dead ends: 15685 [2022-11-16 16:21:20,479 INFO L226 Difference]: Without dead ends: 9427 [2022-11-16 16:21:20,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:20,501 INFO L413 NwaCegarLoop]: 1320 mSDtfsCounter, 733 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1990 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:20,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 1990 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-16 16:21:20,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9427 states. [2022-11-16 16:21:21,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9427 to 9393. [2022-11-16 16:21:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9393 states, 5857 states have (on average 1.3508622161516135) internal successors, (7912), 6037 states have internal predecessors, (7912), 2538 states have call successors, (2538), 1004 states have call predecessors, (2538), 997 states have return successors, (2559), 2446 states have call predecessors, (2559), 2535 states have call successors, (2559) [2022-11-16 16:21:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9393 states to 9393 states and 13009 transitions. [2022-11-16 16:21:21,446 INFO L78 Accepts]: Start accepts. Automaton has 9393 states and 13009 transitions. Word has length 140 [2022-11-16 16:21:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:21,446 INFO L495 AbstractCegarLoop]: Abstraction has 9393 states and 13009 transitions. [2022-11-16 16:21:21,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 16:21:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 9393 states and 13009 transitions. [2022-11-16 16:21:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-16 16:21:21,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:21,463 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:21,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 16:21:21,464 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:21,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:21,464 INFO L85 PathProgramCache]: Analyzing trace with hash -811385699, now seen corresponding path program 1 times [2022-11-16 16:21:21,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:21,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161787404] [2022-11-16 16:21:21,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:21,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-16 16:21:21,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:21,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161787404] [2022-11-16 16:21:21,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161787404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:21:21,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:21:21,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:21:21,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625258012] [2022-11-16 16:21:21,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:21:21,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:21:21,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:21:21,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:21:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:21,770 INFO L87 Difference]: Start difference. First operand 9393 states and 13009 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-16 16:21:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:25,800 INFO L93 Difference]: Finished difference Result 22812 states and 31545 transitions. [2022-11-16 16:21:25,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:21:25,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 143 [2022-11-16 16:21:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:25,869 INFO L225 Difference]: With dead ends: 22812 [2022-11-16 16:21:25,869 INFO L226 Difference]: Without dead ends: 13431 [2022-11-16 16:21:25,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:21:25,905 INFO L413 NwaCegarLoop]: 1176 mSDtfsCounter, 679 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:25,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1752 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 16:21:25,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13431 states. [2022-11-16 16:21:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13431 to 13399. [2022-11-16 16:21:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13399 states, 8409 states have (on average 1.3517659650374598) internal successors, (11367), 8642 states have internal predecessors, (11367), 3523 states have call successors, (3523), 1473 states have call predecessors, (3523), 1466 states have return successors, (3544), 3415 states have call predecessors, (3544), 3520 states have call successors, (3544) [2022-11-16 16:21:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13399 states to 13399 states and 18434 transitions. [2022-11-16 16:21:27,210 INFO L78 Accepts]: Start accepts. Automaton has 13399 states and 18434 transitions. Word has length 143 [2022-11-16 16:21:27,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:27,210 INFO L495 AbstractCegarLoop]: Abstraction has 13399 states and 18434 transitions. [2022-11-16 16:21:27,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-16 16:21:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 13399 states and 18434 transitions. [2022-11-16 16:21:27,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-16 16:21:27,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:27,236 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:27,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 16:21:27,237 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:27,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:27,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1392641125, now seen corresponding path program 1 times [2022-11-16 16:21:27,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:27,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199934683] [2022-11-16 16:21:27,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:27,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-16 16:21:28,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:28,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199934683] [2022-11-16 16:21:28,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199934683] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:21:28,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283582407] [2022-11-16 16:21:28,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:28,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:21:28,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:21:28,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:21:28,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:21:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:29,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 16:21:29,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:21:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-16 16:21:29,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:21:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-16 16:21:29,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283582407] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 16:21:29,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 16:21:29,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 5] total 11 [2022-11-16 16:21:29,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916736453] [2022-11-16 16:21:29,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:21:29,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:21:29,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:21:29,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:21:29,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-11-16 16:21:29,707 INFO L87 Difference]: Start difference. First operand 13399 states and 18434 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 16:21:31,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:21:38,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:21:38,309 INFO L93 Difference]: Finished difference Result 36559 states and 51904 transitions. [2022-11-16 16:21:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:21:38,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 166 [2022-11-16 16:21:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:21:38,434 INFO L225 Difference]: With dead ends: 36559 [2022-11-16 16:21:38,434 INFO L226 Difference]: Without dead ends: 23172 [2022-11-16 16:21:38,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-16 16:21:38,491 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 1153 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-16 16:21:38,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 2293 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-11-16 16:21:38,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23172 states. [2022-11-16 16:21:40,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23172 to 17435. [2022-11-16 16:21:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17435 states, 10952 states have (on average 1.3530861943024106) internal successors, (14819), 11217 states have internal predecessors, (14819), 4529 states have call successors, (4529), 1963 states have call predecessors, (4529), 1953 states have return successors, (4550), 4414 states have call predecessors, (4550), 4526 states have call successors, (4550) [2022-11-16 16:21:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17435 states to 17435 states and 23898 transitions. [2022-11-16 16:21:40,175 INFO L78 Accepts]: Start accepts. Automaton has 17435 states and 23898 transitions. Word has length 166 [2022-11-16 16:21:40,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:21:40,175 INFO L495 AbstractCegarLoop]: Abstraction has 17435 states and 23898 transitions. [2022-11-16 16:21:40,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 16:21:40,176 INFO L276 IsEmpty]: Start isEmpty. Operand 17435 states and 23898 transitions. [2022-11-16 16:21:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-16 16:21:40,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:21:40,202 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:21:40,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 16:21:40,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 16:21:40,411 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:21:40,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:21:40,412 INFO L85 PathProgramCache]: Analyzing trace with hash -756448121, now seen corresponding path program 1 times [2022-11-16 16:21:40,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:21:40,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369739423] [2022-11-16 16:21:40,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:40,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:21:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-16 16:21:41,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:21:41,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369739423] [2022-11-16 16:21:41,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369739423] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:21:41,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846264494] [2022-11-16 16:21:41,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:21:41,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:21:41,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:21:41,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:21:41,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 16:21:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:21:42,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 16:21:42,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:21:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-16 16:21:42,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:21:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-16 16:21:43,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846264494] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:21:43,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [833818899] [2022-11-16 16:21:43,061 INFO L159 IcfgInterpreter]: Started Sifa with 115 locations of interest [2022-11-16 16:21:43,061 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:21:43,066 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:21:43,072 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:21:43,073 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:21:44,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:44,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 636 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 655 [2022-11-16 16:21:44,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:49,347 INFO L321 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-16 16:21:49,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-16 16:21:50,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:50,778 INFO L217 Elim1Store]: Index analysis took 181 ms [2022-11-16 16:21:51,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 586 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 610 [2022-11-16 16:21:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 559 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 558 [2022-11-16 16:21:51,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:51,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 561 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 567 [2022-11-16 16:21:52,144 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 0 case distinctions, treesize of input 226 treesize of output 202 [2022-11-16 16:21:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:52,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2347 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 550 [2022-11-16 16:21:54,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:54,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-16 16:21:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:55,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-16 16:21:55,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-16 16:21:55,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-16 16:21:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:57,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-16 16:21:57,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:21:57,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-16 16:21:58,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-16 16:21:58,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-16 16:22:08,351 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 126 for LOIs [2022-11-16 16:22:08,384 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:22:29,118 WARN L233 SmtUtils]: Spent 19.44s on a formula simplification. DAG size of input: 1007 DAG size of output: 871 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:22:37,390 WARN L233 SmtUtils]: Spent 6.92s on a formula simplification. DAG size of input: 635 DAG size of output: 632 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:22:44,926 WARN L233 SmtUtils]: Spent 7.24s on a formula simplification. DAG size of input: 639 DAG size of output: 636 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:22:51,799 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 647 DAG size of output: 640 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:22:58,620 WARN L233 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 657 DAG size of output: 650 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:23:05,964 WARN L233 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 665 DAG size of output: 655 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:23:13,538 WARN L233 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 675 DAG size of output: 665 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:23:21,355 WARN L233 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 683 DAG size of output: 670 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:23:29,242 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 687 DAG size of output: 674 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:23:37,248 WARN L233 SmtUtils]: Spent 7.54s on a formula simplification. DAG size of input: 695 DAG size of output: 679 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:23:45,746 WARN L233 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 709 DAG size of output: 693 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:23:45,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [833818899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:23:45,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 16:23:45,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 6, 7] total 28 [2022-11-16 16:23:45,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307772120] [2022-11-16 16:23:45,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:23:45,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 16:23:45,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:23:45,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 16:23:45,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2022-11-16 16:23:45,765 INFO L87 Difference]: Start difference. First operand 17435 states and 23898 transitions. Second operand has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-16 16:24:02,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:23,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:40,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:24:40,703 INFO L93 Difference]: Finished difference Result 34896 states and 47842 transitions. [2022-11-16 16:24:40,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 16:24:40,704 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 166 [2022-11-16 16:24:40,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:24:40,785 INFO L225 Difference]: With dead ends: 34896 [2022-11-16 16:24:40,786 INFO L226 Difference]: Without dead ends: 17473 [2022-11-16 16:24:40,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 97.5s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2022-11-16 16:24:40,835 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 29 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2022-11-16 16:24:40,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 3177 Invalid, 1663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [23 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 53.7s Time] [2022-11-16 16:24:40,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17473 states. [2022-11-16 16:24:42,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17473 to 17459. [2022-11-16 16:24:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17459 states, 10966 states have (on average 1.3527266095203356) internal successors, (14834), 11231 states have internal predecessors, (14834), 4537 states have call successors, (4537), 1964 states have call predecessors, (4537), 1955 states have return successors, (4566), 4423 states have call predecessors, (4566), 4534 states have call successors, (4566) [2022-11-16 16:24:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17459 states to 17459 states and 23937 transitions. [2022-11-16 16:24:42,161 INFO L78 Accepts]: Start accepts. Automaton has 17459 states and 23937 transitions. Word has length 166 [2022-11-16 16:24:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:24:42,161 INFO L495 AbstractCegarLoop]: Abstraction has 17459 states and 23937 transitions. [2022-11-16 16:24:42,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 7.181818181818182) internal successors, (79), 9 states have internal predecessors, (79), 6 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-16 16:24:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 17459 states and 23937 transitions. [2022-11-16 16:24:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-16 16:24:42,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:24:42,189 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:24:42,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 16:24:42,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:24:42,399 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:24:42,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:24:42,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2008501983, now seen corresponding path program 1 times [2022-11-16 16:24:42,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:24:42,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358152616] [2022-11-16 16:24:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:42,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:24:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-16 16:24:43,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:24:43,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358152616] [2022-11-16 16:24:43,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358152616] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:24:43,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071364626] [2022-11-16 16:24:43,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:43,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:24:43,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:24:43,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:24:43,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 16:24:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:44,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1886 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 16:24:44,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:24:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-16 16:24:44,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:24:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-16 16:24:44,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071364626] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:24:44,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1147523066] [2022-11-16 16:24:44,986 INFO L159 IcfgInterpreter]: Started Sifa with 115 locations of interest [2022-11-16 16:24:44,987 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:24:44,987 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:24:44,988 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:24:44,988 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:24:45,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:45,903 INFO L217 Elim1Store]: Index analysis took 182 ms [2022-11-16 16:24:46,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 586 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 610 [2022-11-16 16:24:46,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 559 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 558 [2022-11-16 16:24:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:46,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 561 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 567 [2022-11-16 16:24:46,837 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 0 case distinctions, treesize of input 226 treesize of output 202 [2022-11-16 16:24:47,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:47,178 INFO L217 Elim1Store]: Index analysis took 261 ms [2022-11-16 16:24:52,984 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 742 DAG size of output: 405 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:24:52,985 INFO L321 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-16 16:24:52,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-16 16:24:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:53,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2347 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 550 [2022-11-16 16:24:54,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:55,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:55,023 INFO L217 Elim1Store]: Index analysis took 223 ms [2022-11-16 16:24:55,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 636 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 655 [2022-11-16 16:24:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:57,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-16 16:24:57,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-16 16:24:57,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-16 16:24:57,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:57,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-16 16:24:59,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-16 16:24:59,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-16 16:24:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:24:59,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-16 16:25:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:00,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-16 16:25:09,325 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 14 treesize of output 10 [2022-11-16 16:25:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 558 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 425 treesize of output 559 [2022-11-16 16:25:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:09,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 558 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 561 [2022-11-16 16:25:12,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2777 treesize of output 2776 [2022-11-16 16:25:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:13,759 INFO L321 Elim1Store]: treesize reduction 100, result has 13.0 percent of original size [2022-11-16 16:25:13,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 47 select indices, 47 select index equivalence classes, 645 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 48 case distinctions, treesize of input 2779 treesize of output 2644 [2022-11-16 16:25:14,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:25:14,506 INFO L321 Elim1Store]: treesize reduction 96, result has 13.5 percent of original size [2022-11-16 16:25:14,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 47 select indices, 47 select index equivalence classes, 645 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 48 case distinctions, treesize of input 2777 treesize of output 2642 [2022-11-16 16:25:16,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:25:17,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:25:17,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 16:25:43,131 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 126 for LOIs [2022-11-16 16:25:43,164 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 131 for LOIs [2022-11-16 16:25:43,203 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:26:03,458 WARN L233 SmtUtils]: Spent 18.74s on a formula simplification. DAG size of input: 1007 DAG size of output: 871 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:26:11,291 WARN L233 SmtUtils]: Spent 6.48s on a formula simplification. DAG size of input: 635 DAG size of output: 632 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:26:18,122 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 639 DAG size of output: 636 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:26:24,739 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 647 DAG size of output: 640 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:26:31,544 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 657 DAG size of output: 650 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:26:38,639 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 665 DAG size of output: 655 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:26:45,792 WARN L233 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 675 DAG size of output: 665 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:26:53,199 WARN L233 SmtUtils]: Spent 7.03s on a formula simplification. DAG size of input: 683 DAG size of output: 670 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:27:00,803 WARN L233 SmtUtils]: Spent 7.21s on a formula simplification. DAG size of input: 687 DAG size of output: 674 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:27:08,605 WARN L233 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 695 DAG size of output: 679 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:27:46,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1147523066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:27:46,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 16:27:46,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [5, 6, 7] total 44 [2022-11-16 16:27:46,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797986494] [2022-11-16 16:27:46,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:27:46,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-16 16:27:46,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:27:46,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-16 16:27:46,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1572, Unknown=0, NotChecked=0, Total=1892 [2022-11-16 16:27:46,575 INFO L87 Difference]: Start difference. First operand 17459 states and 23937 transitions. Second operand has 32 states, 26 states have (on average 3.076923076923077) internal successors, (80), 23 states have internal predecessors, (80), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2022-11-16 16:28:10,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:28:40,642 WARN L233 SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 739 DAG size of output: 706 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:28:51,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:29:09,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:29:09,806 INFO L93 Difference]: Finished difference Result 34927 states and 47883 transitions. [2022-11-16 16:29:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 16:29:09,807 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 26 states have (on average 3.076923076923077) internal successors, (80), 23 states have internal predecessors, (80), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 167 [2022-11-16 16:29:09,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:29:09,871 INFO L225 Difference]: With dead ends: 34927 [2022-11-16 16:29:09,871 INFO L226 Difference]: Without dead ends: 17504 [2022-11-16 16:29:09,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 132.4s TimeCoverageRelationStatistics Valid=332, Invalid=1648, Unknown=0, NotChecked=0, Total=1980 [2022-11-16 16:29:09,921 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 57 mSDsluCounter, 7382 mSDsCounter, 0 mSdLazyCounter, 5156 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 8076 SdHoareTripleChecker+Invalid, 5183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 5156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.9s IncrementalHoareTripleChecker+Time [2022-11-16 16:29:09,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 8076 Invalid, 5183 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 5156 Invalid, 1 Unknown, 0 Unchecked, 72.9s Time] [2022-11-16 16:29:09,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17504 states. [2022-11-16 16:29:11,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17504 to 17483. [2022-11-16 16:29:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17483 states, 10988 states have (on average 1.3526574444848927) internal successors, (14863), 11253 states have internal predecessors, (14863), 4538 states have call successors, (4538), 1965 states have call predecessors, (4538), 1956 states have return successors, (4568), 4424 states have call predecessors, (4568), 4535 states have call successors, (4568) [2022-11-16 16:29:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17483 states to 17483 states and 23969 transitions. [2022-11-16 16:29:11,444 INFO L78 Accepts]: Start accepts. Automaton has 17483 states and 23969 transitions. Word has length 167 [2022-11-16 16:29:11,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:29:11,445 INFO L495 AbstractCegarLoop]: Abstraction has 17483 states and 23969 transitions. [2022-11-16 16:29:11,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 26 states have (on average 3.076923076923077) internal successors, (80), 23 states have internal predecessors, (80), 7 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2022-11-16 16:29:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 17483 states and 23969 transitions. [2022-11-16 16:29:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-16 16:29:11,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:29:11,473 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:29:11,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 16:29:11,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-16 16:29:11,681 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:29:11,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:29:11,681 INFO L85 PathProgramCache]: Analyzing trace with hash -804831984, now seen corresponding path program 1 times [2022-11-16 16:29:11,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:29:11,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690504104] [2022-11-16 16:29:11,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:29:11,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:29:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:29:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-16 16:29:12,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:29:12,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690504104] [2022-11-16 16:29:12,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690504104] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:29:12,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463551610] [2022-11-16 16:29:12,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:29:12,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:29:12,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:29:12,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:29:12,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 16:29:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:29:13,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1912 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 16:29:13,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:29:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-16 16:29:13,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:29:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-16 16:29:13,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463551610] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:29:13,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1946331552] [2022-11-16 16:29:13,890 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2022-11-16 16:29:13,893 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:29:13,894 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:29:13,895 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:29:13,895 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:29:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:18,219 INFO L321 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-16 16:29:18,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-16 16:29:18,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:18,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2347 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 550 [2022-11-16 16:29:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,461 INFO L217 Elim1Store]: Index analysis took 139 ms [2022-11-16 16:29:19,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 586 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 610 [2022-11-16 16:29:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:19,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 559 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 558 [2022-11-16 16:29:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:20,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 561 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 567 [2022-11-16 16:29:20,643 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 0 case distinctions, treesize of input 226 treesize of output 202 [2022-11-16 16:29:21,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:21,728 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-16 16:29:21,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 636 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 655 [2022-11-16 16:29:22,957 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 7 treesize of output 6 [2022-11-16 16:29:22,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 16:29:22,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 16:29:23,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:23,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-16 16:29:23,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-16 16:29:23,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-16 16:29:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:23,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-16 16:29:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:26,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-16 16:29:26,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:29:26,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-16 16:29:26,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-16 16:29:26,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-16 16:29:28,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 16:29:28,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:29:28,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:29:29,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:29:29,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:29:29,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 16:29:35,274 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 245 for LOIs [2022-11-16 16:29:35,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 16:29:35,696 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 7 treesize of output 6 [2022-11-16 16:29:35,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 16:29:37,755 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 268 for LOIs [2022-11-16 16:29:38,168 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:29:57,105 WARN L233 SmtUtils]: Spent 17.32s on a formula simplification. DAG size of input: 1007 DAG size of output: 871 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 16:30:24,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1946331552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:30:24,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 16:30:24,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [5, 6, 7] total 32 [2022-11-16 16:30:24,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266613458] [2022-11-16 16:30:24,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:30:24,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-16 16:30:24,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:30:24,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-16 16:30:24,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=809, Unknown=0, NotChecked=0, Total=992 [2022-11-16 16:30:24,759 INFO L87 Difference]: Start difference. First operand 17483 states and 23969 transitions. Second operand has 20 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2022-11-16 16:30:51,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:31:12,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:31:19,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:31:34,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:31:34,762 INFO L93 Difference]: Finished difference Result 34917 states and 47864 transitions. [2022-11-16 16:31:34,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 16:31:34,762 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 170 [2022-11-16 16:31:34,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:31:34,819 INFO L225 Difference]: With dead ends: 34917 [2022-11-16 16:31:34,819 INFO L226 Difference]: Without dead ends: 17494 [2022-11-16 16:31:34,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 54.2s TimeCoverageRelationStatistics Valid=272, Invalid=1288, Unknown=0, NotChecked=0, Total=1560 [2022-11-16 16:31:34,862 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 20 mSDsluCounter, 6623 mSDsCounter, 0 mSdLazyCounter, 3024 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 7293 SdHoareTripleChecker+Invalid, 3314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3024 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 282 IncrementalHoareTripleChecker+Unchecked, 61.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:31:34,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 7293 Invalid, 3314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 3024 Invalid, 2 Unknown, 282 Unchecked, 61.3s Time] [2022-11-16 16:31:34,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17494 states. [2022-11-16 16:31:36,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17494 to 17492. [2022-11-16 16:31:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17492 states, 10994 states have (on average 1.3525559396034201) internal successors, (14870), 11259 states have internal predecessors, (14870), 4539 states have call successors, (4539), 1967 states have call predecessors, (4539), 1958 states have return successors, (4569), 4425 states have call predecessors, (4569), 4536 states have call successors, (4569) [2022-11-16 16:31:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17492 states to 17492 states and 23978 transitions. [2022-11-16 16:31:36,266 INFO L78 Accepts]: Start accepts. Automaton has 17492 states and 23978 transitions. Word has length 170 [2022-11-16 16:31:36,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:31:36,266 INFO L495 AbstractCegarLoop]: Abstraction has 17492 states and 23978 transitions. [2022-11-16 16:31:36,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 11 states have internal predecessors, (82), 7 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2022-11-16 16:31:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 17492 states and 23978 transitions. [2022-11-16 16:31:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-16 16:31:36,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:31:36,289 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:31:36,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 16:31:36,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:31:36,498 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:31:36,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:31:36,499 INFO L85 PathProgramCache]: Analyzing trace with hash 508602230, now seen corresponding path program 1 times [2022-11-16 16:31:36,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:31:36,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252676395] [2022-11-16 16:31:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:36,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:31:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-16 16:31:37,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:31:37,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252676395] [2022-11-16 16:31:37,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252676395] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:31:37,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936603189] [2022-11-16 16:31:37,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:31:37,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:31:37,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:31:37,335 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:31:37,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45506e7e-ef75-40e0-80d5-cdf66cc7e08b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 16:31:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:31:38,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1927 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 16:31:38,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:31:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-16 16:31:38,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:31:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-16 16:31:38,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936603189] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:31:38,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [440085312] [2022-11-16 16:31:38,622 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2022-11-16 16:31:38,623 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:31:38,623 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:31:38,623 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:31:38,623 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:31:39,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:39,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 636 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 488 treesize of output 655 [2022-11-16 16:31:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:42,398 INFO L321 Elim1Store]: treesize reduction 670, result has 47.4 percent of original size [2022-11-16 16:31:42,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 68 select indices, 68 select index equivalence classes, 2280 disjoint index pairs (out of 2278 index pairs), introduced 68 new quantified variables, introduced 67 case distinctions, treesize of input 347 treesize of output 818 [2022-11-16 16:31:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:42,950 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-16 16:31:46,789 INFO L321 Elim1Store]: treesize reduction 1206, result has 33.4 percent of original size [2022-11-16 16:31:46,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2348 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 134 case distinctions, treesize of input 357 treesize of output 829 [2022-11-16 16:31:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:47,817 INFO L217 Elim1Store]: Index analysis took 143 ms [2022-11-16 16:31:48,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 586 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 610 [2022-11-16 16:31:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 559 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 558 [2022-11-16 16:31:48,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:48,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 46 select indices, 46 select index equivalence classes, 561 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 567 [2022-11-16 16:31:49,027 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 0 case distinctions, treesize of input 226 treesize of output 202 [2022-11-16 16:31:50,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 16:31:50,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 16:31:50,609 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 7 treesize of output 6 [2022-11-16 16:31:51,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-16 16:31:51,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-16 16:31:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:51,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-16 16:31:51,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:51,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-16 16:31:53,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 185 [2022-11-16 16:31:53,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2022-11-16 16:31:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:54,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 69 select indices, 69 select index equivalence classes, 2347 disjoint index pairs (out of 2346 index pairs), introduced 69 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 208 [2022-11-16 16:31:54,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:31:54,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 211 [2022-11-16 16:32:02,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 16:32:02,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:32:02,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:32:08,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:32:08,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 16:32:08,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:32:11,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 16:32:11,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:32:11,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:32:12,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:32:12,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:32:12,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-16 16:32:14,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:32:14,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:32:14,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 16:32:15,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:32:15,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 16:32:15,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:32:15,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:32:15,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 16:32:15,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 16:32:38,417 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1142 for LOIs [2022-11-16 16:32:43,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 16:32:45,511 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 7 treesize of output 6 [2022-11-16 16:32:45,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 16:33:00,528 WARN L233 SmtUtils]: Spent 12.43s on a formula simplification. DAG size of input: 897 DAG size of output: 689 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:33:00,530 INFO L321 Elim1Store]: treesize reduction 690, result has 62.8 percent of original size [2022-11-16 16:33:00,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 69 select indices, 69 select index equivalence classes, 2279 disjoint index pairs (out of 2346 index pairs), introduced 70 new quantified variables, introduced 137 case distinctions, treesize of input 2414 treesize of output 3444 [2022-11-16 16:33:01,392 INFO L217 Elim1Store]: Index analysis took 381 ms [2022-11-16 16:33:16,936 WARN L233 SmtUtils]: Spent 15.53s on a formula simplification. DAG size of input: 1041 DAG size of output: 625 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 16:33:16,938 INFO L321 Elim1Store]: treesize reduction 1242, result has 48.6 percent of original size [2022-11-16 16:33:16,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 71 select indices, 71 select index equivalence classes, 2347 disjoint index pairs (out of 2485 index pairs), introduced 72 new quantified variables, introduced 207 case distinctions, treesize of input 2281 treesize of output 3320 [2022-11-16 16:33:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:33:17,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:33:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:33:17,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:33:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:33:18,034 INFO L321 Elim1Store]: treesize reduction 44, result has 45.7 percent of original size [2022-11-16 16:33:18,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2138 treesize of output 2137