./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW --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 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e --- 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-4e7fbc6 [2022-11-23 15:58:44,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:58:44,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:58:44,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:58:44,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:58:44,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:58:44,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:58:44,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:58:44,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:58:44,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:58:44,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:58:44,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:58:44,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:58:44,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:58:44,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:58:44,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:58:44,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:58:44,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:58:44,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:58:44,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:58:44,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:58:44,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:58:44,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:58:44,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:58:44,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:58:44,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:58:44,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:58:44,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:58:44,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:58:44,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:58:44,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:58:44,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:58:44,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:58:44,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:58:44,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:58:44,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:58:44,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:58:44,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:58:44,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:58:44,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:58:44,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:58:44,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:58:44,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:58:44,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:58:44,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:58:44,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:58:44,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:58:44,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:58:44,184 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:58:44,185 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:58:44,185 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:58:44,185 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:58:44,185 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:58:44,186 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:58:44,186 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:58:44,186 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:58:44,186 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:58:44,187 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:58:44,187 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:58:44,187 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:58:44,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:58:44,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:58:44,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:58:44,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:58:44,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:58:44,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:58:44,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:58:44,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:58:44,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:58:44,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:58:44,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:58:44,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:58:44,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:58:44,191 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:58:44,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:58:44,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:58:44,192 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:58:44,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:58:44,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:58:44,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:58:44,193 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_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-11-23 15:58:44,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:58:44,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:58:44,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:58:44,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:58:44,492 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:58:44,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-23 15:58:47,498 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:58:48,069 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:58:48,070 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-23 15:58:48,112 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/data/52376799b/a91c3b04e1c54854b2e3f85f26720320/FLAG529ececad [2022-11-23 15:58:48,134 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/data/52376799b/a91c3b04e1c54854b2e3f85f26720320 [2022-11-23 15:58:48,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:58:48,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:58:48,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:58:48,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:58:48,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:58:48,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:48" (1/1) ... [2022-11-23 15:58:48,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc8d138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48, skipping insertion in model container [2022-11-23 15:58:48,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:48" (1/1) ... [2022-11-23 15:58:48,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:58:48,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:58:48,866 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-11-23 15:58:48,867 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-11-23 15:58:49,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-11-23 15:58:50,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:58:50,060 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:58:50,228 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-11-23 15:58:50,229 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-11-23 15:58:50,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-11-23 15:58:50,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:58:50,512 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:58:50,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50 WrapperNode [2022-11-23 15:58:50,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:58:50,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:58:50,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:58:50,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:58:50,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,769 INFO L138 Inliner]: procedures = 219, calls = 1605, calls flagged for inlining = 116, calls inlined = 113, statements flattened = 3083 [2022-11-23 15:58:50,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:58:50,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:58:50,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:58:50,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:58:50,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:50,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:51,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:58:51,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:58:51,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:58:51,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:58:51,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (1/1) ... [2022-11-23 15:58:51,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:58:51,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:58:51,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:58:51,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:58:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:58:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:58:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:58:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:58:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 15:58:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 15:58:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-23 15:58:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-23 15:58:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:58:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:58:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:58:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:58:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:58:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:58:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:58:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:58:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:58:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:58:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:58:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:58:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 15:58:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 15:58:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 15:58:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 15:58:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:58:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:58:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:58:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-11-23 15:58:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-11-23 15:58:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:58:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-23 15:58:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-23 15:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:58:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 15:58:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 15:58:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:58:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-11-23 15:58:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-11-23 15:58:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-23 15:58:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-23 15:58:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-11-23 15:58:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-11-23 15:58:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:58:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:58:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 15:58:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 15:58:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:58:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:58:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-11-23 15:58:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-11-23 15:58:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-11-23 15:58:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-11-23 15:58:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:58:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:58:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-11-23 15:58:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-11-23 15:58:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:58:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:58:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:58:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-11-23 15:58:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-11-23 15:58:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-11-23 15:58:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-11-23 15:58:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:58:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:58:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:58:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 15:58:51,108 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 15:58:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 15:58:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 15:58:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:58:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-11-23 15:58:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-11-23 15:58:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:58:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:58:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:58:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:58:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-11-23 15:58:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-11-23 15:58:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:58:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:58:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-23 15:58:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-23 15:58:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-23 15:58:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-23 15:58:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:58:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:58:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:58:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-23 15:58:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-23 15:58:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-23 15:58:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-23 15:58:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:58:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:58:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:58:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 15:58:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 15:58:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-11-23 15:58:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-11-23 15:58:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:58:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-11-23 15:58:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-11-23 15:58:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:58:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:58:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:58:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-11-23 15:58:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-11-23 15:58:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-23 15:58:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-23 15:58:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-11-23 15:58:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-11-23 15:58:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-11-23 15:58:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-11-23 15:58:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-11-23 15:58:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-11-23 15:58:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:58:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:58:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:58:51,129 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:58:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-23 15:58:51,129 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-23 15:58:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:58:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-11-23 15:58:51,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-11-23 15:58:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-23 15:58:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-23 15:58:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:58:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:58:52,055 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:58:52,058 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:58:53,024 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:59:06,925 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:59:07,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:59:07,942 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:59:07,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:07 BoogieIcfgContainer [2022-11-23 15:59:07,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:59:07,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:59:07,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:59:07,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:59:07,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:58:48" (1/3) ... [2022-11-23 15:59:07,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc96d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:59:07, skipping insertion in model container [2022-11-23 15:59:07,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50" (2/3) ... [2022-11-23 15:59:07,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc96d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:59:07, skipping insertion in model container [2022-11-23 15:59:07,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:07" (3/3) ... [2022-11-23 15:59:07,958 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-23 15:59:07,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:59:07,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:59:08,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:59:08,074 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;@2b754401, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:59:08,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:59:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 882 states, 545 states have (on average 1.3284403669724771) internal successors, (724), 568 states have internal predecessors, (724), 279 states have call successors, (279), 57 states have call predecessors, (279), 56 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) [2022-11-23 15:59:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-23 15:59:08,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:59:08,126 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-23 15:59:08,127 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:59:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:59:08,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1654673915, now seen corresponding path program 1 times [2022-11-23 15:59:08,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:59:08,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833964526] [2022-11-23 15:59:08,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:08,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:59:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:59:08,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:08,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833964526] [2022-11-23 15:59:08,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833964526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:08,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:59:08,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:59:08,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009863675] [2022-11-23 15:59:08,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:08,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:59:08,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:09,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:59:09,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:59:09,008 INFO L87 Difference]: Start difference. First operand has 882 states, 545 states have (on average 1.3284403669724771) internal successors, (724), 568 states have internal predecessors, (724), 279 states have call successors, (279), 57 states have call predecessors, (279), 56 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-23 15:59:13,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:14,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:17,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:20,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:59:20,328 INFO L93 Difference]: Finished difference Result 2622 states and 3823 transitions. [2022-11-23 15:59:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:59:20,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 79 [2022-11-23 15:59:20,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:59:20,353 INFO L225 Difference]: With dead ends: 2622 [2022-11-23 15:59:20,353 INFO L226 Difference]: Without dead ends: 1723 [2022-11-23 15:59:20,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:59:20,370 INFO L413 NwaCegarLoop]: 1669 mSDtfsCounter, 1239 mSDsluCounter, 4474 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 6143 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:59:20,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 6143 Invalid, 593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-11-23 15:59:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-11-23 15:59:20,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1713. [2022-11-23 15:59:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1067 states have (on average 1.3102155576382382) internal successors, (1398), 1098 states have internal predecessors, (1398), 534 states have call successors, (534), 112 states have call predecessors, (534), 111 states have return successors, (533), 532 states have call predecessors, (533), 533 states have call successors, (533) [2022-11-23 15:59:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2465 transitions. [2022-11-23 15:59:20,568 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2465 transitions. Word has length 79 [2022-11-23 15:59:20,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:59:20,569 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 2465 transitions. [2022-11-23 15:59:20,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-23 15:59:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2465 transitions. [2022-11-23 15:59:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 15:59:20,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:59:20,579 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-23 15:59:20,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:59:20,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:59:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:59:20,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2063388976, now seen corresponding path program 1 times [2022-11-23 15:59:20,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:59:20,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212680316] [2022-11-23 15:59:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:20,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:59:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:59:20,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:20,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212680316] [2022-11-23 15:59:20,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212680316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:20,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:59:20,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:59:20,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895876811] [2022-11-23 15:59:20,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:20,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:59:20,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:20,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:59:20,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:59:20,955 INFO L87 Difference]: Start difference. First operand 1713 states and 2465 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-23 15:59:26,981 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 [] [2022-11-23 15:59:28,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:30,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:31,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:32,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:59:32,210 INFO L93 Difference]: Finished difference Result 4281 states and 6157 transitions. [2022-11-23 15:59:32,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:59:32,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2022-11-23 15:59:32,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:59:32,226 INFO L225 Difference]: With dead ends: 4281 [2022-11-23 15:59:32,226 INFO L226 Difference]: Without dead ends: 2575 [2022-11-23 15:59:32,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:59:32,234 INFO L413 NwaCegarLoop]: 1644 mSDtfsCounter, 1220 mSDsluCounter, 4406 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 6050 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:59:32,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 6050 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 584 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-11-23 15:59:32,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2575 states. [2022-11-23 15:59:32,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2575 to 2552. [2022-11-23 15:59:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2552 states, 1590 states have (on average 1.3113207547169812) internal successors, (2085), 1640 states have internal predecessors, (2085), 794 states have call successors, (794), 168 states have call predecessors, (794), 167 states have return successors, (793), 788 states have call predecessors, (793), 793 states have call successors, (793) [2022-11-23 15:59:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2552 states and 3672 transitions. [2022-11-23 15:59:32,382 INFO L78 Accepts]: Start accepts. Automaton has 2552 states and 3672 transitions. Word has length 77 [2022-11-23 15:59:32,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:59:32,382 INFO L495 AbstractCegarLoop]: Abstraction has 2552 states and 3672 transitions. [2022-11-23 15:59:32,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-23 15:59:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 3672 transitions. [2022-11-23 15:59:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-23 15:59:32,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:59:32,391 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-23 15:59:32,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:59:32,392 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:59:32,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:59:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1682443088, now seen corresponding path program 1 times [2022-11-23 15:59:32,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:59:32,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511287166] [2022-11-23 15:59:32,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:32,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:59:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:59:32,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:32,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511287166] [2022-11-23 15:59:32,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511287166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:32,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:59:32,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:59:32,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480341978] [2022-11-23 15:59:32,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:32,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:59:32,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:32,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:59:32,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:59:32,787 INFO L87 Difference]: Start difference. First operand 2552 states and 3672 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-23 15:59:37,130 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 [] [2022-11-23 15:59:37,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:59:37,220 INFO L93 Difference]: Finished difference Result 4673 states and 6695 transitions. [2022-11-23 15:59:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:59:37,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 80 [2022-11-23 15:59:37,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:59:37,237 INFO L225 Difference]: With dead ends: 4673 [2022-11-23 15:59:37,237 INFO L226 Difference]: Without dead ends: 2579 [2022-11-23 15:59:37,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:59:37,248 INFO L413 NwaCegarLoop]: 1600 mSDtfsCounter, 1214 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 5916 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:59:37,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 5916 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 539 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-23 15:59:37,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-11-23 15:59:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2556. [2022-11-23 15:59:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 1594 states have (on average 1.3105395232120451) internal successors, (2089), 1643 states have internal predecessors, (2089), 793 states have call successors, (793), 169 states have call predecessors, (793), 168 states have return successors, (792), 788 states have call predecessors, (792), 792 states have call successors, (792) [2022-11-23 15:59:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3674 transitions. [2022-11-23 15:59:37,453 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3674 transitions. Word has length 80 [2022-11-23 15:59:37,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:59:37,455 INFO L495 AbstractCegarLoop]: Abstraction has 2556 states and 3674 transitions. [2022-11-23 15:59:37,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-23 15:59:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3674 transitions. [2022-11-23 15:59:37,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-23 15:59:37,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:59:37,466 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-23 15:59:37,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:59:37,466 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:59:37,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:59:37,467 INFO L85 PathProgramCache]: Analyzing trace with hash -2105332120, now seen corresponding path program 1 times [2022-11-23 15:59:37,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:59:37,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618207435] [2022-11-23 15:59:37,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:37,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:59:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:59:37,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:37,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618207435] [2022-11-23 15:59:37,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618207435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:37,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:59:37,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:59:37,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582741867] [2022-11-23 15:59:37,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:37,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:59:37,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:37,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:59:37,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:59:37,857 INFO L87 Difference]: Start difference. First operand 2556 states and 3674 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-23 15:59:42,343 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 [] [2022-11-23 15:59:42,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:59:42,416 INFO L93 Difference]: Finished difference Result 4470 states and 6382 transitions. [2022-11-23 15:59:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:59:42,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 83 [2022-11-23 15:59:42,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:59:42,430 INFO L225 Difference]: With dead ends: 4470 [2022-11-23 15:59:42,430 INFO L226 Difference]: Without dead ends: 2371 [2022-11-23 15:59:42,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:59:42,440 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 1212 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1219 SdHoareTripleChecker+Valid, 5856 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:59:42,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1219 Valid, 5856 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 539 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-23 15:59:42,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2022-11-23 15:59:42,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2351. [2022-11-23 15:59:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2351 states, 1470 states have (on average 1.307482993197279) internal successors, (1922), 1511 states have internal predecessors, (1922), 720 states have call successors, (720), 161 states have call predecessors, (720), 160 states have return successors, (719), 716 states have call predecessors, (719), 719 states have call successors, (719) [2022-11-23 15:59:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2351 states and 3361 transitions. [2022-11-23 15:59:42,606 INFO L78 Accepts]: Start accepts. Automaton has 2351 states and 3361 transitions. Word has length 83 [2022-11-23 15:59:42,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:59:42,606 INFO L495 AbstractCegarLoop]: Abstraction has 2351 states and 3361 transitions. [2022-11-23 15:59:42,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-23 15:59:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 3361 transitions. [2022-11-23 15:59:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-23 15:59:42,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:59:42,615 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-23 15:59:42,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:59:42,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:59:42,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:59:42,616 INFO L85 PathProgramCache]: Analyzing trace with hash 673716068, now seen corresponding path program 1 times [2022-11-23 15:59:42,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:59:42,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563263126] [2022-11-23 15:59:42,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:42,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:59:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:43,084 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:59:43,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:43,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563263126] [2022-11-23 15:59:43,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563263126] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:59:43,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418699977] [2022-11-23 15:59:43,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:43,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:59:43,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:59:43,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:59:43,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:59:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:43,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1632 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:59:43,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:59:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:59:43,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:59:43,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418699977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:43,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:59:43,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-23 15:59:43,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140611661] [2022-11-23 15:59:43,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:43,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:59:43,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:43,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:59:43,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:59:43,999 INFO L87 Difference]: Start difference. First operand 2351 states and 3361 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:59:46,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:46,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:59:46,856 INFO L93 Difference]: Finished difference Result 4059 states and 5814 transitions. [2022-11-23 15:59:46,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:59:46,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 89 [2022-11-23 15:59:46,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:59:46,869 INFO L225 Difference]: With dead ends: 4059 [2022-11-23 15:59:46,869 INFO L226 Difference]: Without dead ends: 2343 [2022-11-23 15:59:46,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:59:46,878 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 14 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:59:46,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2229 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-23 15:59:46,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2343 states. [2022-11-23 15:59:47,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2343 to 2339. [2022-11-23 15:59:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2339 states, 1466 states have (on average 1.305593451568895) internal successors, (1914), 1505 states have internal predecessors, (1914), 712 states have call successors, (712), 161 states have call predecessors, (712), 160 states have return successors, (711), 708 states have call predecessors, (711), 711 states have call successors, (711) [2022-11-23 15:59:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2339 states and 3337 transitions. [2022-11-23 15:59:47,043 INFO L78 Accepts]: Start accepts. Automaton has 2339 states and 3337 transitions. Word has length 89 [2022-11-23 15:59:47,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:59:47,044 INFO L495 AbstractCegarLoop]: Abstraction has 2339 states and 3337 transitions. [2022-11-23 15:59:47,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:59:47,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 3337 transitions. [2022-11-23 15:59:47,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-23 15:59:47,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:59:47,053 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-23 15:59:47,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:59:47,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:59:47,262 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:59:47,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:59:47,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1727733215, now seen corresponding path program 1 times [2022-11-23 15:59:47,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:59:47,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250174387] [2022-11-23 15:59:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:47,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:59:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:59:47,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:47,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250174387] [2022-11-23 15:59:47,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250174387] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:59:47,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262348046] [2022-11-23 15:59:47,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:47,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:59:47,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:59:47,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:59:47,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:59:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:48,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:59:48,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:59:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 15:59:48,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:59:48,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262348046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:48,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:59:48,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-23 15:59:48,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463235608] [2022-11-23 15:59:48,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:48,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:59:48,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:48,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:59:48,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:59:48,771 INFO L87 Difference]: Start difference. First operand 2339 states and 3337 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:59:54,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:56,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:57,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:58,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:59,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:00,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:00:00,044 INFO L93 Difference]: Finished difference Result 5554 states and 7922 transitions. [2022-11-23 16:00:00,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 16:00:00,046 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 90 [2022-11-23 16:00:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:00:00,068 INFO L225 Difference]: With dead ends: 5554 [2022-11-23 16:00:00,068 INFO L226 Difference]: Without dead ends: 3850 [2022-11-23 16:00:00,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-23 16:00:00,077 INFO L413 NwaCegarLoop]: 1666 mSDtfsCounter, 1229 mSDsluCounter, 7774 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 9440 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-23 16:00:00,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 9440 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-11-23 16:00:00,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3850 states. [2022-11-23 16:00:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3850 to 3817. [2022-11-23 16:00:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 2396 states have (on average 1.3067612687813022) internal successors, (3131), 2464 states have internal predecessors, (3131), 1155 states have call successors, (1155), 264 states have call predecessors, (1155), 265 states have return successors, (1159), 1146 states have call predecessors, (1159), 1154 states have call successors, (1159) [2022-11-23 16:00:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 5445 transitions. [2022-11-23 16:00:00,302 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 5445 transitions. Word has length 90 [2022-11-23 16:00:00,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:00:00,303 INFO L495 AbstractCegarLoop]: Abstraction has 3817 states and 5445 transitions. [2022-11-23 16:00:00,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 5445 transitions. [2022-11-23 16:00:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-23 16:00:00,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:00:00,316 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-23 16:00:00,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 16:00:00,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:00,526 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:00:00,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:00:00,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1715049276, now seen corresponding path program 1 times [2022-11-23 16:00:00,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:00:00,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230214424] [2022-11-23 16:00:00,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:00,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:00:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 16:00:00,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:00:00,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230214424] [2022-11-23 16:00:00,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230214424] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:00:00,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340895884] [2022-11-23 16:00:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:00,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:00,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:00:00,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:00:00,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 16:00:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:01,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 16:00:01,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:00:01,930 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 16:00:01,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:00:01,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340895884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:00:01,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 16:00:01,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-23 16:00:01,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192441521] [2022-11-23 16:00:01,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:00:01,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:00:01,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:00:01,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:00:01,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-23 16:00:01,937 INFO L87 Difference]: Start difference. First operand 3817 states and 5445 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:04,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:05,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:00:05,272 INFO L93 Difference]: Finished difference Result 6972 states and 9954 transitions. [2022-11-23 16:00:05,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:00:05,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2022-11-23 16:00:05,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:00:05,294 INFO L225 Difference]: With dead ends: 6972 [2022-11-23 16:00:05,294 INFO L226 Difference]: Without dead ends: 3790 [2022-11-23 16:00:05,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-23 16:00:05,309 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 9 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:00:05,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2202 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 16:00:05,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2022-11-23 16:00:05,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 3784. [2022-11-23 16:00:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3784 states, 2384 states have (on average 1.3057885906040267) internal successors, (3113), 2449 states have internal predecessors, (3113), 1134 states have call successors, (1134), 264 states have call predecessors, (1134), 265 states have return successors, (1138), 1125 states have call predecessors, (1138), 1133 states have call successors, (1138) [2022-11-23 16:00:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 3784 states and 5385 transitions. [2022-11-23 16:00:05,515 INFO L78 Accepts]: Start accepts. Automaton has 3784 states and 5385 transitions. Word has length 93 [2022-11-23 16:00:05,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:00:05,516 INFO L495 AbstractCegarLoop]: Abstraction has 3784 states and 5385 transitions. [2022-11-23 16:00:05,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3784 states and 5385 transitions. [2022-11-23 16:00:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-23 16:00:05,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:00:05,530 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-23 16:00:05,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 16:00:05,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:05,739 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:00:05,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:00:05,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1527928342, now seen corresponding path program 1 times [2022-11-23 16:00:05,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:00:05,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233606487] [2022-11-23 16:00:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:05,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:00:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 16:00:06,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:00:06,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233606487] [2022-11-23 16:00:06,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233606487] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:00:06,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917133185] [2022-11-23 16:00:06,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:06,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:06,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:00:06,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:00:06,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 16:00:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:07,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 16:00:07,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:00:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 16:00:07,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:00:07,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917133185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:00:07,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 16:00:07,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-23 16:00:07,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87118392] [2022-11-23 16:00:07,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:00:07,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 16:00:07,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:00:07,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 16:00:07,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 16:00:07,348 INFO L87 Difference]: Start difference. First operand 3784 states and 5385 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:11,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:13,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:15,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:17,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:00:17,733 INFO L93 Difference]: Finished difference Result 8444 states and 12008 transitions. [2022-11-23 16:00:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 16:00:17,734 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 91 [2022-11-23 16:00:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:00:17,764 INFO L225 Difference]: With dead ends: 8444 [2022-11-23 16:00:17,765 INFO L226 Difference]: Without dead ends: 5295 [2022-11-23 16:00:17,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-23 16:00:17,779 INFO L413 NwaCegarLoop]: 1637 mSDtfsCounter, 1209 mSDsluCounter, 7626 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 9263 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:00:17,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 9263 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-23 16:00:17,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2022-11-23 16:00:18,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5256. [2022-11-23 16:00:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5256 states, 3313 states have (on average 1.3060670087533957) internal successors, (4327), 3409 states have internal predecessors, (4327), 1570 states have call successors, (1570), 367 states have call predecessors, (1570), 372 states have return successors, (1582), 1555 states have call predecessors, (1582), 1569 states have call successors, (1582) [2022-11-23 16:00:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5256 states to 5256 states and 7479 transitions. [2022-11-23 16:00:18,115 INFO L78 Accepts]: Start accepts. Automaton has 5256 states and 7479 transitions. Word has length 91 [2022-11-23 16:00:18,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:00:18,115 INFO L495 AbstractCegarLoop]: Abstraction has 5256 states and 7479 transitions. [2022-11-23 16:00:18,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5256 states and 7479 transitions. [2022-11-23 16:00:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-23 16:00:18,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:00:18,131 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-23 16:00:18,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 16:00:18,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 16:00:18,340 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:00:18,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:00:18,341 INFO L85 PathProgramCache]: Analyzing trace with hash -60082426, now seen corresponding path program 1 times [2022-11-23 16:00:18,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:00:18,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593915162] [2022-11-23 16:00:18,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:18,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:00:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 16:00:18,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:00:18,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593915162] [2022-11-23 16:00:18,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593915162] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:00:18,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803823648] [2022-11-23 16:00:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:18,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:18,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:00:18,814 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:00:18,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 16:00:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:19,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 16:00:19,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:00:19,895 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 16:00:19,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:00:19,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803823648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:00:19,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 16:00:19,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-23 16:00:19,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969319153] [2022-11-23 16:00:19,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:00:19,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 16:00:19,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:00:19,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 16:00:19,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 16:00:19,897 INFO L87 Difference]: Start difference. First operand 5256 states and 7479 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:26,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:27,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:29,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:31,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:31,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:00:31,489 INFO L93 Difference]: Finished difference Result 11386 states and 16192 transitions. [2022-11-23 16:00:31,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 16:00:31,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2022-11-23 16:00:31,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:00:31,525 INFO L225 Difference]: With dead ends: 11386 [2022-11-23 16:00:31,526 INFO L226 Difference]: Without dead ends: 6765 [2022-11-23 16:00:31,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-23 16:00:31,546 INFO L413 NwaCegarLoop]: 1683 mSDtfsCounter, 1209 mSDsluCounter, 7810 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 9493 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:00:31,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 9493 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1015 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-11-23 16:00:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6765 states. [2022-11-23 16:00:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6765 to 5257. [2022-11-23 16:00:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5257 states, 3314 states have (on average 1.3059746529873264) internal successors, (4328), 3409 states have internal predecessors, (4328), 1570 states have call successors, (1570), 367 states have call predecessors, (1570), 372 states have return successors, (1582), 1556 states have call predecessors, (1582), 1569 states have call successors, (1582) [2022-11-23 16:00:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 5257 states and 7480 transitions. [2022-11-23 16:00:31,885 INFO L78 Accepts]: Start accepts. Automaton has 5257 states and 7480 transitions. Word has length 92 [2022-11-23 16:00:31,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:00:31,886 INFO L495 AbstractCegarLoop]: Abstraction has 5257 states and 7480 transitions. [2022-11-23 16:00:31,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5257 states and 7480 transitions. [2022-11-23 16:00:31,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-23 16:00:31,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:00:31,905 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-23 16:00:31,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 16:00:32,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:32,124 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:00:32,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:00:32,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1604328938, now seen corresponding path program 1 times [2022-11-23 16:00:32,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:00:32,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970947177] [2022-11-23 16:00:32,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:00:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 16:00:32,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:00:32,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970947177] [2022-11-23 16:00:32,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970947177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:00:32,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:00:32,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:00:32,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145680546] [2022-11-23 16:00:32,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:00:32,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:00:32,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:00:32,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:00:32,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:00:32,289 INFO L87 Difference]: Start difference. First operand 5257 states and 7480 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:35,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:37,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:37,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:00:37,069 INFO L93 Difference]: Finished difference Result 13689 states and 19351 transitions. [2022-11-23 16:00:37,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:00:37,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2022-11-23 16:00:37,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:00:37,103 INFO L225 Difference]: With dead ends: 13689 [2022-11-23 16:00:37,103 INFO L226 Difference]: Without dead ends: 8439 [2022-11-23 16:00:37,119 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 [2022-11-23 16:00:37,119 INFO L413 NwaCegarLoop]: 1335 mSDtfsCounter, 846 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:00:37,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 2356 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 266 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-23 16:00:37,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8439 states. [2022-11-23 16:00:37,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8439 to 8422. [2022-11-23 16:00:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8422 states, 5330 states have (on average 1.3041275797373357) internal successors, (6951), 5497 states have internal predecessors, (6951), 2441 states have call successors, (2441), 639 states have call predecessors, (2441), 650 states have return successors, (2466), 2406 states have call predecessors, (2466), 2440 states have call successors, (2466) [2022-11-23 16:00:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8422 states to 8422 states and 11858 transitions. [2022-11-23 16:00:37,523 INFO L78 Accepts]: Start accepts. Automaton has 8422 states and 11858 transitions. Word has length 96 [2022-11-23 16:00:37,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:00:37,524 INFO L495 AbstractCegarLoop]: Abstraction has 8422 states and 11858 transitions. [2022-11-23 16:00:37,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 8422 states and 11858 transitions. [2022-11-23 16:00:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-23 16:00:37,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:00:37,529 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-23 16:00:37,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 16:00:37,529 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:00:37,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:00:37,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1732802979, now seen corresponding path program 1 times [2022-11-23 16:00:37,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:00:37,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097074893] [2022-11-23 16:00:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:37,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:00:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 16:00:37,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:00:37,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097074893] [2022-11-23 16:00:37,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097074893] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:00:37,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976517305] [2022-11-23 16:00:37,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:37,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:37,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:00:38,004 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:00:38,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 16:00:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:38,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 16:00:38,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:00:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 16:00:39,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:00:39,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976517305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:00:39,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 16:00:39,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-23 16:00:39,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900036850] [2022-11-23 16:00:39,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:00:39,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 16:00:39,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:00:39,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 16:00:39,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 16:00:39,033 INFO L87 Difference]: Start difference. First operand 8422 states and 11858 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:44,752 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 [] [2022-11-23 16:00:44,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:00:44,800 INFO L93 Difference]: Finished difference Result 18352 states and 25826 transitions. [2022-11-23 16:00:44,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 16:00:44,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2022-11-23 16:00:44,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:00:44,849 INFO L225 Difference]: With dead ends: 18352 [2022-11-23 16:00:44,849 INFO L226 Difference]: Without dead ends: 10835 [2022-11-23 16:00:44,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-23 16:00:44,873 INFO L413 NwaCegarLoop]: 1661 mSDtfsCounter, 1208 mSDsluCounter, 7722 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 9383 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:00:44,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 9383 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1010 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-23 16:00:44,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10835 states. [2022-11-23 16:00:45,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10835 to 10701. [2022-11-23 16:00:45,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10701 states, 6766 states have (on average 1.3052024830032516) internal successors, (8831), 6980 states have internal predecessors, (8831), 3109 states have call successors, (3109), 812 states have call predecessors, (3109), 825 states have return successors, (3146), 3062 states have call predecessors, (3146), 3108 states have call successors, (3146) [2022-11-23 16:00:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10701 states to 10701 states and 15086 transitions. [2022-11-23 16:00:45,499 INFO L78 Accepts]: Start accepts. Automaton has 10701 states and 15086 transitions. Word has length 93 [2022-11-23 16:00:45,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:00:45,499 INFO L495 AbstractCegarLoop]: Abstraction has 10701 states and 15086 transitions. [2022-11-23 16:00:45,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 16:00:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 10701 states and 15086 transitions. [2022-11-23 16:00:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-23 16:00:45,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:00:45,505 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 16:00:45,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 16:00:45,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:45,720 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:00:45,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:00:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1039743118, now seen corresponding path program 1 times [2022-11-23 16:00:45,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:00:45,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754623508] [2022-11-23 16:00:45,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:00:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-23 16:00:46,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:00:46,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754623508] [2022-11-23 16:00:46,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754623508] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:00:46,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929466046] [2022-11-23 16:00:46,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:46,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:46,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:00:46,216 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:00:46,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 16:00:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:47,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 1721 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 16:00:47,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:00:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 16:00:47,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:00:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-23 16:00:47,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929466046] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:00:47,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1206652439] [2022-11-23 16:00:47,917 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2022-11-23 16:00:47,917 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:00:47,921 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:00:47,926 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:00:47,927 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:00:49,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 562 treesize of output 448 [2022-11-23 16:00:49,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 607 treesize of output 491 [2022-11-23 16:00:49,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-23 16:00:49,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:49,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 562 treesize of output 448 [2022-11-23 16:00:50,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 592 treesize of output 476 [2022-11-23 16:00:50,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:50,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:50,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 26 [2022-11-23 16:00:50,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 580 treesize of output 468 [2022-11-23 16:00:50,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2022-11-23 16:00:50,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:50,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 67 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 826 treesize of output 684 [2022-11-23 16:00:52,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 675 [2022-11-23 16:00:52,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-23 16:00:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:53,219 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-23 16:00:53,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-23 16:00:54,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 675 [2022-11-23 16:00:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:55,145 INFO L217 Elim1Store]: Index analysis took 122 ms [2022-11-23 16:00:55,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-23 16:00:55,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-23 16:01:01,466 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 855 treesize of output 663 [2022-11-23 16:01:01,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-23 16:01:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,726 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-11-23 16:01:01,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-23 16:01:01,798 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 855 treesize of output 663 [2022-11-23 16:01:01,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-23 16:01:01,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,056 INFO L217 Elim1Store]: Index analysis took 106 ms [2022-11-23 16:01:02,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-23 16:01:02,593 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 855 treesize of output 663 [2022-11-23 16:01:02,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-23 16:01:02,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-23 16:01:02,903 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 855 treesize of output 663 [2022-11-23 16:01:02,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,054 INFO L217 Elim1Store]: Index analysis took 106 ms [2022-11-23 16:01:03,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-23 16:01:03,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:03,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-23 16:01:23,346 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 119 for LOIs [2022-11-23 16:01:23,390 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 124 for LOIs [2022-11-23 16:01:23,445 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:01:37,647 WARN L233 SmtUtils]: Spent 13.17s on a formula simplification that was a NOOP. DAG size: 1313 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:01:56,494 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 706 DAG size of output: 704 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:02:05,451 WARN L233 SmtUtils]: Spent 8.48s on a formula simplification. DAG size of input: 710 DAG size of output: 708 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:02:14,692 WARN L233 SmtUtils]: Spent 8.78s on a formula simplification. DAG size of input: 718 DAG size of output: 713 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:02:32,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1206652439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:02:32,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 16:02:32,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [8, 10, 10] total 38 [2022-11-23 16:02:32,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767770515] [2022-11-23 16:02:32,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:02:32,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-23 16:02:32,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:32,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-23 16:02:32,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1222, Unknown=0, NotChecked=0, Total=1406 [2022-11-23 16:02:32,765 INFO L87 Difference]: Start difference. First operand 10701 states and 15086 transitions. Second operand has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-23 16:03:01,685 WARN L233 SmtUtils]: Spent 26.59s on a formula simplification. DAG size of input: 1317 DAG size of output: 1316 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:03:28,450 WARN L233 SmtUtils]: Spent 26.11s on a formula simplification. DAG size of input: 1325 DAG size of output: 1324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:03:55,719 WARN L233 SmtUtils]: Spent 26.61s on a formula simplification. DAG size of input: 1331 DAG size of output: 1330 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:04:09,723 WARN L233 SmtUtils]: Spent 12.90s on a formula simplification that was a NOOP. DAG size: 1317 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:04:23,508 WARN L233 SmtUtils]: Spent 13.01s on a formula simplification that was a NOOP. DAG size: 1321 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:04:37,764 WARN L233 SmtUtils]: Spent 13.14s on a formula simplification that was a NOOP. DAG size: 1327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:04:51,808 WARN L233 SmtUtils]: Spent 13.34s on a formula simplification that was a NOOP. DAG size: 1331 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:05:06,344 WARN L233 SmtUtils]: Spent 13.43s on a formula simplification that was a NOOP. DAG size: 1336 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:05:41,457 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 [] [2022-11-23 16:05:43,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:45,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:47,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:49,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:51,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:03,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:05,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:07,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:09,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:11,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:13,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:20,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:22,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:24,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:26,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:28,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:30,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:32,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:34,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:38,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:40,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:42,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:44,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:46,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:48,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:51,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:53,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:56,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:58,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:00,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:02,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:04,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:07:05,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:07:05,431 INFO L93 Difference]: Finished difference Result 21480 states and 30277 transitions. [2022-11-23 16:07:05,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 16:07:05,433 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 105 [2022-11-23 16:07:05,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:07:05,478 INFO L225 Difference]: With dead ends: 21480 [2022-11-23 16:07:05,478 INFO L226 Difference]: Without dead ends: 10783 [2022-11-23 16:07:05,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 274 SyntacticMatches, 12 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 222.2s TimeCoverageRelationStatistics Valid=319, Invalid=2231, Unknown=0, NotChecked=0, Total=2550 [2022-11-23 16:07:05,517 INFO L413 NwaCegarLoop]: 1115 mSDtfsCounter, 63 mSDsluCounter, 12838 mSDsCounter, 0 mSdLazyCounter, 3589 mSolverCounterSat, 57 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 13953 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 3589 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 119.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:07:05,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 13953 Invalid, 3671 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [57 Valid, 3589 Invalid, 25 Unknown, 0 Unchecked, 119.5s Time] [2022-11-23 16:07:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10783 states. [2022-11-23 16:07:06,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10783 to 10743. [2022-11-23 16:07:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10743 states, 6798 states have (on average 1.304795528096499) internal successors, (8870), 7012 states have internal predecessors, (8870), 3114 states have call successors, (3114), 816 states have call predecessors, (3114), 830 states have return successors, (3156), 3068 states have call predecessors, (3156), 3113 states have call successors, (3156) [2022-11-23 16:07:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10743 states to 10743 states and 15140 transitions. [2022-11-23 16:07:06,228 INFO L78 Accepts]: Start accepts. Automaton has 10743 states and 15140 transitions. Word has length 105 [2022-11-23 16:07:06,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:07:06,228 INFO L495 AbstractCegarLoop]: Abstraction has 10743 states and 15140 transitions. [2022-11-23 16:07:06,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-23 16:07:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 10743 states and 15140 transitions. [2022-11-23 16:07:06,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-23 16:07:06,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:07:06,236 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 16:07:06,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 16:07:06,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:07:06,447 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:07:06,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:07:06,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1678460002, now seen corresponding path program 1 times [2022-11-23 16:07:06,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:07:06,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923616556] [2022-11-23 16:07:06,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:07:06,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:07:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:07:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-23 16:07:06,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:07:06,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923616556] [2022-11-23 16:07:06,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923616556] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:07:06,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965913801] [2022-11-23 16:07:06,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:07:06,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:07:06,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:07:06,890 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:07:06,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04f2994-c997-470b-98eb-12c27a6d0067/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 16:07:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:07:07,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 16:07:07,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:07:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 16:07:08,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:07:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-23 16:07:08,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965913801] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:07:08,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1808114411] [2022-11-23 16:07:08,808 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-23 16:07:08,808 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:07:08,808 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:07:08,809 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:07:08,809 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:07:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:09,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:09,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 562 treesize of output 448 [2022-11-23 16:07:09,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 592 treesize of output 476 [2022-11-23 16:07:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:09,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:09,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 26 [2022-11-23 16:07:09,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 580 treesize of output 468 [2022-11-23 16:07:10,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2022-11-23 16:07:10,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 562 treesize of output 448 [2022-11-23 16:07:10,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 607 treesize of output 491 [2022-11-23 16:07:10,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:10,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-23 16:07:10,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:11,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 67 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 826 treesize of output 684 [2022-11-23 16:07:12,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 675 [2022-11-23 16:07:12,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:12,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:12,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:12,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:12,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:13,104 INFO L217 Elim1Store]: Index analysis took 125 ms [2022-11-23 16:07:13,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-23 16:07:13,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-23 16:07:14,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 675 [2022-11-23 16:07:14,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-23 16:07:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:15,053 INFO L217 Elim1Store]: Index analysis took 135 ms [2022-11-23 16:07:15,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-23 16:07:20,879 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 855 treesize of output 663 [2022-11-23 16:07:20,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,023 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-23 16:07:21,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-23 16:07:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-23 16:07:21,179 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 855 treesize of output 663 [2022-11-23 16:07:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,318 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-11-23 16:07:21,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-23 16:07:21,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-23 16:07:21,925 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 855 treesize of output 663 [2022-11-23 16:07:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-23 16:07:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-23 16:07:22,203 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 855 treesize of output 663 [2022-11-23 16:07:22,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-23 16:07:22,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,430 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-23 16:07:22,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-23 16:07:42,012 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 119 for LOIs [2022-11-23 16:07:42,041 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 124 for LOIs [2022-11-23 16:07:42,091 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:07:56,309 WARN L233 SmtUtils]: Spent 13.13s on a formula simplification that was a NOOP. DAG size: 1313 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:08:14,674 WARN L233 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 706 DAG size of output: 704 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:08:24,270 WARN L233 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 710 DAG size of output: 708 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:08:33,826 WARN L233 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 718 DAG size of output: 713 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:08:54,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1808114411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:54,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 16:08:54,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [8, 10, 10] total 38 [2022-11-23 16:08:54,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501283531] [2022-11-23 16:08:54,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:54,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-23 16:08:54,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:54,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-23 16:08:54,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1221, Unknown=0, NotChecked=0, Total=1406 [2022-11-23 16:08:54,331 INFO L87 Difference]: Start difference. First operand 10743 states and 15140 transitions. Second operand has 22 states, 18 states have (on average 3.111111111111111) internal successors, (56), 14 states have internal predecessors, (56), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-23 16:09:23,087 WARN L233 SmtUtils]: Spent 26.81s on a formula simplification. DAG size of input: 1317 DAG size of output: 1316 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:09:51,429 WARN L233 SmtUtils]: Spent 27.60s on a formula simplification. DAG size of input: 1325 DAG size of output: 1324 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:10:20,284 WARN L233 SmtUtils]: Spent 28.17s on a formula simplification. DAG size of input: 1331 DAG size of output: 1330 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:10:35,050 WARN L233 SmtUtils]: Spent 13.71s on a formula simplification that was a NOOP. DAG size: 1317 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:10:49,301 WARN L233 SmtUtils]: Spent 13.49s on a formula simplification that was a NOOP. DAG size: 1321 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:11:04,092 WARN L233 SmtUtils]: Spent 13.68s on a formula simplification that was a NOOP. DAG size: 1327 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:11:18,490 WARN L233 SmtUtils]: Spent 13.69s on a formula simplification that was a NOOP. DAG size: 1331 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:11:33,422 WARN L233 SmtUtils]: Spent 13.91s on a formula simplification that was a NOOP. DAG size: 1336 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:12:06,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:12:08,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:12:10,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:12:12,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:12:16,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:12:24,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:12:26,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:12:28,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:12:30,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []