./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/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_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/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_e3c6006d-29b2-49f4-b2a3-64e43348c642/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 738adda5587cc7db42a737880eb85db50323715a835f90df26e4ddab159c3369 --- 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 15:16:23,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:16:23,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:16:23,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:16:23,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:16:23,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:16:23,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:16:23,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:16:23,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:16:23,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:16:23,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:16:23,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:16:23,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:16:23,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:16:23,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:16:23,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:16:23,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:16:23,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:16:23,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:16:23,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:16:23,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:16:23,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:16:23,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:16:23,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:16:23,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:16:23,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:16:23,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:16:23,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:16:23,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:16:23,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:16:23,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:16:23,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:16:23,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:16:23,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:16:23,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:16:23,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:16:23,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:16:23,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:16:23,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:16:23,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:16:23,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:16:23,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:16:23,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:16:23,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:16:23,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:16:23,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:16:23,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:16:23,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:16:23,246 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:16:23,246 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:16:23,246 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:16:23,247 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:16:23,247 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:16:23,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:16:23,247 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:16:23,247 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:16:23,248 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:16:23,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:16:23,248 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:16:23,248 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:16:23,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:16:23,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:16:23,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:16:23,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:16:23,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:16:23,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:16:23,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:16:23,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:16:23,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:16:23,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:16:23,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:16:23,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:16:23,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:16:23,252 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:16:23,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:16:23,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:16:23,252 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:16:23,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:16:23,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:16:23,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:16:23,253 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_e3c6006d-29b2-49f4-b2a3-64e43348c642/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 738adda5587cc7db42a737880eb85db50323715a835f90df26e4ddab159c3369 [2022-11-23 15:16:23,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:16:23,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:16:23,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:16:23,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:16:23,628 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:16:23,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-23 15:16:26,777 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:16:27,095 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:16:27,103 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-23 15:16:27,140 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/data/6572081ea/0b4f234612da4cd4a3813a2e5f00432e/FLAGcd192edb6 [2022-11-23 15:16:27,172 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/data/6572081ea/0b4f234612da4cd4a3813a2e5f00432e [2022-11-23 15:16:27,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:16:27,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:16:27,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:16:27,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:16:27,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:16:27,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:27,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9dd1877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27, skipping insertion in model container [2022-11-23 15:16:27,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:27,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:16:27,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:16:27,456 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_e3c6006d-29b2-49f4-b2a3-64e43348c642/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-23 15:16:27,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:16:27,739 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:16:27,753 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_e3c6006d-29b2-49f4-b2a3-64e43348c642/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-23 15:16:27,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:16:27,939 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:16:27,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27 WrapperNode [2022-11-23 15:16:27,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:16:27,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:16:27,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:16:27,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:16:27,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,086 INFO L138 Inliner]: procedures = 15, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 927 [2022-11-23 15:16:28,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:16:28,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:16:28,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:16:28,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:16:28,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:16:28,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:16:28,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:16:28,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:16:28,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (1/1) ... [2022-11-23 15:16:28,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:16:28,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:28,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:16:28,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:16:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:16:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:16:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:16:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:16:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:16:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:16:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:16:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:16:28,669 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:16:28,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:16:31,817 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:16:31,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:16:31,936 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-23 15:16:31,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:31 BoogieIcfgContainer [2022-11-23 15:16:31,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:16:31,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:16:31,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:16:31,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:16:31,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:16:27" (1/3) ... [2022-11-23 15:16:31,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ae7963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:16:31, skipping insertion in model container [2022-11-23 15:16:31,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:27" (2/3) ... [2022-11-23 15:16:31,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ae7963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:16:31, skipping insertion in model container [2022-11-23 15:16:31,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:31" (3/3) ... [2022-11-23 15:16:31,947 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-23 15:16:31,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:16:31,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:16:32,014 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:16:32,020 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;@7fa2f45d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:16:32,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:16:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:16:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-23 15:16:32,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:32,033 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:16:32,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:32,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:32,039 INFO L85 PathProgramCache]: Analyzing trace with hash -953116364, now seen corresponding path program 1 times [2022-11-23 15:16:32,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:32,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30241928] [2022-11-23 15:16:32,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:16:32,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:32,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30241928] [2022-11-23 15:16:32,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30241928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:16:33,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:16:33,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:16:33,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372581285] [2022-11-23 15:16:33,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:16:33,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:16:33,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:16:33,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:16:33,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:16:33,037 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:16:35,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:16:35,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:16:35,395 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2022-11-23 15:16:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:16:35,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 26 [2022-11-23 15:16:35,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:16:35,405 INFO L225 Difference]: With dead ends: 48 [2022-11-23 15:16:35,405 INFO L226 Difference]: Without dead ends: 25 [2022-11-23 15:16:35,408 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 15:16:35,414 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:16:35,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:16:35,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-23 15:16:35,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-23 15:16:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:16:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2022-11-23 15:16:35,464 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 26 [2022-11-23 15:16:35,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:16:35,465 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-11-23 15:16:35,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:16:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-11-23 15:16:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 15:16:35,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:35,467 INFO L195 NwaCegarLoop]: trace histogram [5, 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 15:16:35,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:16:35,468 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:35,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:35,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1717820294, now seen corresponding path program 1 times [2022-11-23 15:16:35,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:35,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333084205] [2022-11-23 15:16:35,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:16:36,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:36,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333084205] [2022-11-23 15:16:36,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333084205] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:16:36,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557737175] [2022-11-23 15:16:36,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:36,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:36,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:16:36,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:16:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:36,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:16:36,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:16:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:16:36,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:16:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-23 15:16:36,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557737175] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:16:36,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:16:36,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2022-11-23 15:16:36,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688826277] [2022-11-23 15:16:36,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:16:36,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:16:36,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:16:36,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:16:36,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:16:36,565 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:16:37,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:16:37,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:16:37,906 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2022-11-23 15:16:37,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:16:37,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 27 [2022-11-23 15:16:37,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:16:37,907 INFO L225 Difference]: With dead ends: 47 [2022-11-23 15:16:37,908 INFO L226 Difference]: Without dead ends: 26 [2022-11-23 15:16:37,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:16:37,909 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:16:37,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:16:37,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-23 15:16:37,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-23 15:16:37,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:16:37,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-11-23 15:16:37,916 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 27 [2022-11-23 15:16:37,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:16:37,916 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-23 15:16:37,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:16:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-11-23 15:16:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 15:16:37,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:37,918 INFO L195 NwaCegarLoop]: trace histogram [5, 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 15:16:37,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:16:38,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 15:16:38,119 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:38,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:38,119 INFO L85 PathProgramCache]: Analyzing trace with hash -104920270, now seen corresponding path program 1 times [2022-11-23 15:16:38,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:38,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310533093] [2022-11-23 15:16:38,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:38,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-23 15:16:38,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:38,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310533093] [2022-11-23 15:16:38,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310533093] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:16:38,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242255232] [2022-11-23 15:16:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:38,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:38,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:38,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:16:38,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:16:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:39,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-23 15:16:39,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:16:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-23 15:16:39,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:16:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-23 15:16:39,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242255232] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:16:39,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1151546744] [2022-11-23 15:16:39,848 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-23 15:16:39,848 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:16:39,852 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:16:39,858 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:16:39,859 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:16:39,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:16:39,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 15:16:40,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-23 15:16:40,358 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-23 15:16:40,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-23 15:16:40,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:16:40,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:16:40,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:16:41,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-23 15:16:41,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:16:41,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:16:46,160 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-11-23 15:16:46,162 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:16:58,812 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '590#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-23 15:16:58,813 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:16:58,813 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:16:58,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 8 [2022-11-23 15:16:58,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762818940] [2022-11-23 15:16:58,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:16:58,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:16:58,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:16:58,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:16:58,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2022-11-23 15:16:58,816 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-23 15:17:01,283 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 15:17:01,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:17:01,344 INFO L93 Difference]: Finished difference Result 52 states and 74 transitions. [2022-11-23 15:17:01,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:17:01,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 28 [2022-11-23 15:17:01,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:17:01,346 INFO L225 Difference]: With dead ends: 52 [2022-11-23 15:17:01,346 INFO L226 Difference]: Without dead ends: 29 [2022-11-23 15:17:01,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:17:01,348 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:17:01,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:17:01,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-23 15:17:01,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-23 15:17:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:17:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2022-11-23 15:17:01,354 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 28 [2022-11-23 15:17:01,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:17:01,354 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2022-11-23 15:17:01,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-23 15:17:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-11-23 15:17:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-23 15:17:01,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:17:01,356 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 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 15:17:01,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:17:01,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:01,557 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:17:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:17:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1535348420, now seen corresponding path program 2 times [2022-11-23 15:17:01,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:17:01,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043749200] [2022-11-23 15:17:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:01,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:17:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-23 15:17:02,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:17:02,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043749200] [2022-11-23 15:17:02,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043749200] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:02,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338889341] [2022-11-23 15:17:02,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:17:02,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:02,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:17:02,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:17:02,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:17:03,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-23 15:17:03,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:17:03,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-23 15:17:03,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:17:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-23 15:17:04,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:17:04,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338889341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:17:04,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:17:04,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-23 15:17:04,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033320253] [2022-11-23 15:17:04,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:17:04,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:17:04,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:17:04,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:17:04,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:17:04,458 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:17:06,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:17:06,546 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2022-11-23 15:17:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:17:06,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 31 [2022-11-23 15:17:06,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:17:06,548 INFO L225 Difference]: With dead ends: 59 [2022-11-23 15:17:06,548 INFO L226 Difference]: Without dead ends: 57 [2022-11-23 15:17:06,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:17:06,550 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:17:06,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 71 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:17:06,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-23 15:17:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2022-11-23 15:17:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:17:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2022-11-23 15:17:06,562 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 31 [2022-11-23 15:17:06,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:17:06,562 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2022-11-23 15:17:06,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:17:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-11-23 15:17:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 15:17:06,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:17:06,565 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:17:06,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:17:06,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:06,771 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:17:06,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:17:06,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1505121219, now seen corresponding path program 1 times [2022-11-23 15:17:06,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:17:06,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744822472] [2022-11-23 15:17:06,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:06,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:17:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-23 15:17:08,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:17:08,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744822472] [2022-11-23 15:17:08,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744822472] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:08,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127930936] [2022-11-23 15:17:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:08,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:08,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:17:08,199 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:17:08,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:17:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:08,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:17:08,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:17:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-23 15:17:08,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:17:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-23 15:17:09,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127930936] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:09,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:17:09,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-23 15:17:09,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239318304] [2022-11-23 15:17:09,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:17:09,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:17:09,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:17:09,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:17:09,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:17:09,022 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:17:11,076 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 15:17:11,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:17:11,121 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-11-23 15:17:11,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:17:11,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2022-11-23 15:17:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:17:11,124 INFO L225 Difference]: With dead ends: 63 [2022-11-23 15:17:11,124 INFO L226 Difference]: Without dead ends: 42 [2022-11-23 15:17:11,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:17:11,125 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:17:11,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 15:17:11,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-23 15:17:11,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-23 15:17:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:17:11,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2022-11-23 15:17:11,139 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 58 [2022-11-23 15:17:11,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:17:11,139 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2022-11-23 15:17:11,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:17:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-11-23 15:17:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-23 15:17:11,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:17:11,141 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:17:11,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:17:11,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:11,341 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:17:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:17:11,342 INFO L85 PathProgramCache]: Analyzing trace with hash -552639346, now seen corresponding path program 1 times [2022-11-23 15:17:11,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:17:11,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039942905] [2022-11-23 15:17:11,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:17:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-23 15:17:12,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:17:12,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039942905] [2022-11-23 15:17:12,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039942905] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:12,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617070412] [2022-11-23 15:17:12,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:12,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:12,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:17:12,587 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:17:12,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:17:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:13,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:17:13,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:17:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-23 15:17:13,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:17:13,476 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-23 15:17:13,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617070412] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:13,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:17:13,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-23 15:17:13,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258440907] [2022-11-23 15:17:13,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:17:13,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:17:13,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:17:13,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:17:13,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:17:13,479 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:17:14,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:17:14,073 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2022-11-23 15:17:14,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:17:14,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2022-11-23 15:17:14,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:17:14,074 INFO L225 Difference]: With dead ends: 65 [2022-11-23 15:17:14,074 INFO L226 Difference]: Without dead ends: 43 [2022-11-23 15:17:14,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:17:14,076 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:17:14,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:17:14,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-23 15:17:14,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-23 15:17:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:17:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-11-23 15:17:14,085 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 59 [2022-11-23 15:17:14,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:17:14,085 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-23 15:17:14,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:17:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-11-23 15:17:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-23 15:17:14,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:17:14,087 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:17:14,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:17:14,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:14,300 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:17:14,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:17:14,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1159343183, now seen corresponding path program 1 times [2022-11-23 15:17:14,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:17:14,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33692041] [2022-11-23 15:17:14,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:14,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:17:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-23 15:17:15,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:17:15,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33692041] [2022-11-23 15:17:15,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33692041] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:15,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000943228] [2022-11-23 15:17:15,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:15,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:15,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:17:15,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:17:15,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:17:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:16,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:17:16,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:17:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-23 15:17:16,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:17:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-23 15:17:16,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000943228] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:16,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:17:16,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-23 15:17:16,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499798437] [2022-11-23 15:17:16,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:17:16,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:17:16,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:17:16,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:17:16,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:17:16,367 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:17:16,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:17:16,495 INFO L93 Difference]: Finished difference Result 67 states and 91 transitions. [2022-11-23 15:17:16,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:17:16,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-11-23 15:17:16,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:17:16,496 INFO L225 Difference]: With dead ends: 67 [2022-11-23 15:17:16,497 INFO L226 Difference]: Without dead ends: 44 [2022-11-23 15:17:16,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:17:16,498 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:17:16,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:17:16,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-23 15:17:16,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-23 15:17:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:17:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2022-11-23 15:17:16,507 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 60 [2022-11-23 15:17:16,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:17:16,508 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-11-23 15:17:16,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:17:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-11-23 15:17:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-23 15:17:16,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:17:16,510 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:17:16,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:17:16,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 15:17:16,721 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:17:16,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:17:16,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1097501890, now seen corresponding path program 1 times [2022-11-23 15:17:16,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:17:16,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611342298] [2022-11-23 15:17:16,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:16,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:17:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-23 15:17:17,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:17:17,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611342298] [2022-11-23 15:17:17,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611342298] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:17,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816269080] [2022-11-23 15:17:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:17,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:17,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:17:17,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:17:17,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:17:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:18,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:17:18,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:17:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-23 15:17:18,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:17:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-23 15:17:18,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816269080] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:18,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:17:18,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-23 15:17:18,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657534716] [2022-11-23 15:17:18,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:17:18,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:17:18,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:17:18,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:17:18,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:17:18,784 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:17:20,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:17:20,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:17:20,634 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2022-11-23 15:17:20,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:17:20,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2022-11-23 15:17:20,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:17:20,636 INFO L225 Difference]: With dead ends: 69 [2022-11-23 15:17:20,636 INFO L226 Difference]: Without dead ends: 45 [2022-11-23 15:17:20,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:17:20,637 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:17:20,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-23 15:17:20,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-23 15:17:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-23 15:17:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:17:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2022-11-23 15:17:20,658 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 61 [2022-11-23 15:17:20,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:17:20,659 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2022-11-23 15:17:20,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:17:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-11-23 15:17:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 15:17:20,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:17:20,661 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:17:20,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:17:20,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 15:17:20,867 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:17:20,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:17:20,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1100613158, now seen corresponding path program 1 times [2022-11-23 15:17:20,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:17:20,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175460552] [2022-11-23 15:17:20,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:20,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:17:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-23 15:17:21,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:17:21,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175460552] [2022-11-23 15:17:21,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175460552] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:17:21,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254256384] [2022-11-23 15:17:21,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:21,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:17:21,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:17:21,911 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:17:21,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 15:17:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:22,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 15:17:22,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:17:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-23 15:17:22,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:17:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-23 15:17:22,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254256384] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:17:22,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [411639374] [2022-11-23 15:17:22,904 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-23 15:17:22,904 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:17:22,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:17:22,905 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:17:22,905 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:17:22,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 15:17:22,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:17:22,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:17:23,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:23,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-11-23 15:17:23,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:17:23,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:17:23,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:17:23,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-23 15:17:23,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:17:23,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:17:26,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:17:26,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:17:27,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:27,294 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:27,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:27,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:27,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:27,987 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:17:27,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:17:28,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:28,464 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:28,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:29,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:17:29,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:17:30,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:17:30,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:30,693 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:30,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:31,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:31,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:31,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:31,846 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:17:31,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:17:32,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:32,582 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:32,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:33,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:17:33,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:33,884 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:33,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:35,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:35,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:35,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:35,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:35,448 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:17:35,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:17:36,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:36,324 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:36,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:36,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:37,023 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:37,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:38,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:38,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:38,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:38,516 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:17:38,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:17:39,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:39,296 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:39,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:39,876 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:17:39,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:17:50,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:17:50,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:17:52,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:52,484 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:52,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:52,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:52,875 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:52,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:53,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:17:54,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:17:54,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:17:54,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:54,903 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:54,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:56,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:56,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:56,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:56,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:56,077 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:17:56,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:17:56,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:56,723 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:56,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:57,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:17:57,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:58,025 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:17:58,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:17:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:17:59,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:59,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:17:59,376 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:17:59,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:18:00,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:00,179 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:00,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:00,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:00,835 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:00,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:02,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:02,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:02,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:02,337 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:18:02,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:18:03,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:03,052 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:03,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:03,603 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:18:03,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:18:13,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:18:14,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:18:14,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:14,973 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:14,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:15,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:15,828 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:15,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:16,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:18:17,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:18:17,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:18:17,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:17,982 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:17,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:19,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:19,164 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:18:19,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:18:19,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:19,781 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:19,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:20,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:18:20,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:20,881 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:20,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:22,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:22,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:22,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:22,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:22,268 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:18:22,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:18:23,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:23,109 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:23,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:23,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:23,655 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:18:23,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-23 15:18:25,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:25,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:25,229 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-23 15:18:25,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-23 15:18:26,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:26,281 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:18:26,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:18:26,823 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:18:26,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:18:48,866 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-23 15:18:48,880 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:19:01,673 WARN L233 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 640 DAG size of output: 460 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:19:19,294 WARN L233 SmtUtils]: Spent 17.32s on a formula simplification. DAG size of input: 556 DAG size of output: 523 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:19:38,673 WARN L233 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:19:52,462 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3520#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-23 15:19:52,463 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:19:52,463 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:19:52,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 11 [2022-11-23 15:19:52,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178840206] [2022-11-23 15:19:52,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:19:52,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:19:52,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:19:52,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:19:52,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=897, Unknown=0, NotChecked=0, Total=1056 [2022-11-23 15:19:52,465 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-23 15:19:54,093 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 15:19:54,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:19:54,850 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-23 15:19:54,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 15:19:54,850 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 62 [2022-11-23 15:19:54,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:19:54,851 INFO L225 Difference]: With dead ends: 88 [2022-11-23 15:19:54,851 INFO L226 Difference]: Without dead ends: 49 [2022-11-23 15:19:54,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 63.7s TimeCoverageRelationStatistics Valid=165, Invalid=957, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 15:19:54,853 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:19:54,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:19:54,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-23 15:19:54,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-23 15:19:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:19:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2022-11-23 15:19:54,862 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 62 [2022-11-23 15:19:54,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:19:54,862 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-11-23 15:19:54,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-23 15:19:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-11-23 15:19:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:19:54,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:19:54,864 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:19:54,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 15:19:55,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:19:55,075 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:19:55,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:19:55,075 INFO L85 PathProgramCache]: Analyzing trace with hash -85362012, now seen corresponding path program 2 times [2022-11-23 15:19:55,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:19:55,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211515458] [2022-11-23 15:19:55,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:19:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:19:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-23 15:19:56,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:19:56,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211515458] [2022-11-23 15:19:56,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211515458] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:19:56,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456262991] [2022-11-23 15:19:56,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:19:56,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:19:56,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:19:56,209 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:19:56,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 15:20:44,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-23 15:20:44,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:20:44,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 15:20:44,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:20:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-23 15:20:44,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:20:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-23 15:20:44,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456262991] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:20:44,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [539924419] [2022-11-23 15:20:44,195 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-23 15:20:44,196 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:20:44,196 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:20:44,196 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:20:44,196 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:20:44,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:20:44,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 15:20:44,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:20:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:44,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-11-23 15:20:44,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:20:44,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:20:44,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:20:44,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-23 15:20:44,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:20:44,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:20:47,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:20:47,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:20:47,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:47,590 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:20:47,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:20:48,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:48,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:48,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:48,242 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:20:48,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:20:48,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:48,597 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:20:48,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:20:49,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:20:49,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:20:50,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:20:50,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:50,750 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:20:50,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:20:51,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:51,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:51,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:51,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:51,859 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:20:51,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:20:52,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:52,408 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:20:52,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:20:52,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:20:53,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:53,733 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:20:53,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:20:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:55,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:55,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:55,062 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:20:55,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:20:55,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:55,802 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:20:55,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:20:56,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:56,532 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:20:56,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:20:57,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:57,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:20:57,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:57,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:57,991 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:20:57,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:20:58,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:20:58,765 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:20:58,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:20:59,170 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:20:59,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:21:09,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:21:09,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:21:10,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:10,939 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:10,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:11,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:11,338 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:11,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:12,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:21:12,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:21:12,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:21:13,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:13,562 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:13,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:14,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:14,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:14,597 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:21:14,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:21:15,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:15,217 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:15,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:15,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:21:16,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:16,486 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:16,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:17,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:17,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:17,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:17,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:17,799 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:21:17,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:21:18,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:18,626 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:18,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:19,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:19,298 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:21:19,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-23 15:21:20,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:20,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:20,686 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-23 15:21:20,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-23 15:21:21,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:21,546 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:21,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:22,049 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:21:22,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:21:32,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:21:32,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:21:33,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:33,037 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:33,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:33,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:33,894 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:33,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:34,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:21:35,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:21:35,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:21:35,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:35,899 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:35,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:36,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:36,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:37,026 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:21:37,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:21:37,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:37,643 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:37,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:38,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:21:38,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:38,978 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:38,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:40,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:40,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:40,283 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:21:40,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:21:41,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:41,036 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:41,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:41,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:41,739 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:21:41,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-23 15:21:43,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:43,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:43,131 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-23 15:21:43,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-23 15:21:43,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:43,962 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:21:43,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:21:44,444 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:21:44,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:22:05,304 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-23 15:22:05,306 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:22:20,043 WARN L233 SmtUtils]: Spent 11.86s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:22:35,800 WARN L233 SmtUtils]: Spent 15.42s on a formula simplification. DAG size of input: 556 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:22:55,873 WARN L233 SmtUtils]: Spent 9.73s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:23:09,899 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4170#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-23 15:23:09,900 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:23:09,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:23:09,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 4] total 12 [2022-11-23 15:23:09,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796280966] [2022-11-23 15:23:09,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:23:09,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:23:09,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:23:09,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:23:09,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 15:23:09,903 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:23:12,094 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 15:23:12,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:23:12,177 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2022-11-23 15:23:12,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:23:12,179 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 66 [2022-11-23 15:23:12,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:23:12,180 INFO L225 Difference]: With dead ends: 95 [2022-11-23 15:23:12,180 INFO L226 Difference]: Without dead ends: 53 [2022-11-23 15:23:12,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 64.7s TimeCoverageRelationStatistics Valid=168, Invalid=1022, Unknown=0, NotChecked=0, Total=1190 [2022-11-23 15:23:12,182 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:23:12,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 15:23:12,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-23 15:23:12,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-23 15:23:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:23:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-23 15:23:12,192 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 66 [2022-11-23 15:23:12,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:23:12,192 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-23 15:23:12,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:23:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-23 15:23:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 15:23:12,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:23:12,194 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:23:12,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 15:23:12,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:23:12,413 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:23:12,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:23:12,414 INFO L85 PathProgramCache]: Analyzing trace with hash -452327161, now seen corresponding path program 3 times [2022-11-23 15:23:12,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:23:12,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721558632] [2022-11-23 15:23:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:12,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:23:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-23 15:23:13,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:23:13,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721558632] [2022-11-23 15:23:13,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721558632] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:23:13,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623769509] [2022-11-23 15:23:13,749 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 15:23:13,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:23:13,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:23:13,755 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:23:13,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 15:23:14,835 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 15:23:14,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:23:14,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 2145 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-23 15:23:14,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:23:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-23 15:23:14,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:23:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-23 15:23:15,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623769509] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:23:15,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1696111234] [2022-11-23 15:23:15,098 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-23 15:23:15,099 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:23:15,099 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:23:15,100 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:23:15,100 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:23:15,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 15:23:15,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:23:15,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-23 15:23:15,329 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-23 15:23:15,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-23 15:23:15,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:23:15,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:23:15,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:23:15,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-23 15:23:15,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:23:15,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:23:18,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:23:18,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:23:18,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:18,722 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:18,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:19,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:19,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:19,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:19,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:19,367 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:23:19,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:23:19,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:19,720 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:19,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:20,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:23:20,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:23:21,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:23:21,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:21,720 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:21,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:22,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:22,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:22,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:22,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:22,833 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:23:22,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:23:23,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:23,510 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:23,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:24,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:23:24,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:24,739 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:24,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:26,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:26,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:26,167 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:23:26,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:23:26,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:26,918 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:26,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:27,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:27,510 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:27,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:28,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:28,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:28,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:28,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:28,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:28,989 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:23:28,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:23:29,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:29,758 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:29,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:30,418 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:23:30,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:23:40,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:23:40,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:23:41,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:41,460 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:41,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:42,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:42,353 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:42,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:43,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:23:43,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:23:43,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:23:44,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:44,438 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:44,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:45,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:45,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:45,648 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:23:45,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:23:46,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:46,222 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:46,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:46,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:23:47,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:47,380 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:47,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:48,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:48,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:48,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:48,902 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:23:48,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:23:49,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:49,601 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:49,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:50,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:50,363 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:23:50,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-23 15:23:51,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:51,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:51,769 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-23 15:23:51,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-23 15:23:52,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:52,597 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:23:52,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:23:53,164 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:23:53,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:24:03,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:24:03,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:24:04,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:04,806 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:24:04,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:24:05,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:05,181 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:24:05,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:24:06,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:24:06,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:24:06,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:24:07,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:07,245 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:24:07,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:24:08,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:24:08,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:24:08,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:08,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:08,403 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:24:08,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:24:08,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:08,996 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:24:08,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:24:09,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:24:10,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:10,311 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:24:10,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:24:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:24:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:24:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:24:11,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:11,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:11,592 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:24:11,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:24:12,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:12,369 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:24:12,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:24:12,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:13,026 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:24:13,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-23 15:24:14,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:14,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:14,546 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-23 15:24:14,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-23 15:24:15,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:24:15,381 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:24:15,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:24:15,963 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:24:15,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:24:36,874 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-23 15:24:36,875 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:24:52,081 WARN L233 SmtUtils]: Spent 11.97s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:25:15,451 WARN L233 SmtUtils]: Spent 22.88s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:25:35,586 WARN L233 SmtUtils]: Spent 9.64s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:25:49,872 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4873#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-23 15:25:49,872 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:25:49,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:25:49,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 19 [2022-11-23 15:25:49,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005704574] [2022-11-23 15:25:49,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:25:49,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-23 15:25:49,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:49,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-23 15:25:49,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1443, Unknown=0, NotChecked=0, Total=1640 [2022-11-23 15:25:49,874 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-23 15:25:52,174 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 15:25:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:54,755 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2022-11-23 15:25:54,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:25:54,756 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-11-23 15:25:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:54,757 INFO L225 Difference]: With dead ends: 103 [2022-11-23 15:25:54,757 INFO L226 Difference]: Without dead ends: 58 [2022-11-23 15:25:54,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 73.3s TimeCoverageRelationStatistics Valid=217, Invalid=1589, Unknown=0, NotChecked=0, Total=1806 [2022-11-23 15:25:54,759 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:54,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-23 15:25:54,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-23 15:25:54,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-23 15:25:54,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:25:54,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-11-23 15:25:54,769 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 70 [2022-11-23 15:25:54,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:54,770 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-11-23 15:25:54,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-23 15:25:54,770 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-23 15:25:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-23 15:25:54,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:54,772 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:54,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-23 15:25:54,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 15:25:54,979 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:54,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:54,979 INFO L85 PathProgramCache]: Analyzing trace with hash 575030105, now seen corresponding path program 4 times [2022-11-23 15:25:54,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:54,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228815099] [2022-11-23 15:25:54,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:54,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:56,131 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-23 15:25:56,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:56,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228815099] [2022-11-23 15:25:56,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228815099] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:56,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564608891] [2022-11-23 15:25:56,132 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 15:25:56,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:56,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:56,133 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:56,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 15:25:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:57,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-23 15:25:57,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-23 15:25:57,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:25:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-23 15:25:57,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564608891] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:25:57,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1136955213] [2022-11-23 15:25:57,554 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-23 15:25:57,555 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:25:57,555 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:25:57,555 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:25:57,556 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:25:57,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:25:57,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 15:25:57,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-23 15:25:57,759 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-23 15:25:57,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-23 15:25:57,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:25:57,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:25:58,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:25:58,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:25:58,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:25:58,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:26:00,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:26:00,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:26:01,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:01,205 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:01,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:01,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:01,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:01,811 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:01,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:26:02,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:02,147 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:02,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:03,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:26:03,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:26:03,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:26:04,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:04,129 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:04,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:05,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:05,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:05,350 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:05,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:26:05,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:05,987 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:05,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:06,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:26:07,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:07,369 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:07,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:09,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:09,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:09,222 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:09,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:26:09,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:09,935 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:09,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:10,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:10,689 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:10,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:12,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:12,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:12,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:12,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:12,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:12,320 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:12,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:26:13,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:13,086 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:13,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:13,733 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:26:13,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:26:24,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:26:24,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:26:25,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:25,813 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:25,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:26,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:26,685 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:26,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:27,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:26:27,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:26:27,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:26:28,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:28,773 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:28,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:29,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:29,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:29,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:30,013 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:30,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:26:30,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:30,670 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:30,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:31,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:26:31,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:31,800 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:31,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:33,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:33,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:33,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:33,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:33,435 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:33,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:26:34,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:34,238 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:34,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:34,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:34,859 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 15:26:34,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-23 15:26:36,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:36,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:36,409 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-23 15:26:36,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-23 15:26:37,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:37,190 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:37,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:37,777 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:26:37,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:26:47,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:26:47,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:26:49,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:49,043 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:49,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:49,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:49,919 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:49,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:51,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:26:51,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:26:51,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:26:51,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:52,019 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:52,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:53,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:53,305 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:53,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:26:53,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:53,870 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:53,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:54,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:26:55,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:55,186 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:55,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:56,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:56,598 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:56,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:26:57,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:57,373 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:57,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:57,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:57,962 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:26:57,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:26:59,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:59,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:59,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:59,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:26:59,531 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:26:59,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:27:00,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:27:00,242 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:27:00,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:27:00,736 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:27:00,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:27:23,141 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-23 15:27:23,143 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:27:38,768 WARN L233 SmtUtils]: Spent 11.86s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:28:00,685 WARN L233 SmtUtils]: Spent 21.25s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:28:21,647 WARN L233 SmtUtils]: Spent 9.53s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:28:36,982 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5642#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-23 15:28:36,983 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:28:36,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:28:36,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 18] total 27 [2022-11-23 15:28:36,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763219430] [2022-11-23 15:28:36,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:28:36,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-23 15:28:36,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:28:36,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-23 15:28:36,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2124, Unknown=0, NotChecked=0, Total=2352 [2022-11-23 15:28:36,984 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-23 15:28:39,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:28:41,727 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2022-11-23 15:28:41,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 15:28:41,728 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2022-11-23 15:28:41,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:28:41,728 INFO L225 Difference]: With dead ends: 108 [2022-11-23 15:28:41,728 INFO L226 Difference]: Without dead ends: 59 [2022-11-23 15:28:41,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 75.2s TimeCoverageRelationStatistics Valid=298, Invalid=2782, Unknown=0, NotChecked=0, Total=3080 [2022-11-23 15:28:41,731 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 152 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:28:41,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 220 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 15:28:41,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-23 15:28:41,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-23 15:28:41,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 15:28:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-11-23 15:28:41,746 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 75 [2022-11-23 15:28:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:28:41,747 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-11-23 15:28:41,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-23 15:28:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-11-23 15:28:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 15:28:41,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:28:41,749 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:28:41,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 15:28:41,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 15:28:41,959 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:28:41,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:28:41,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1600227513, now seen corresponding path program 5 times [2022-11-23 15:28:41,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:28:41,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997706507] [2022-11-23 15:28:41,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:28:41,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:28:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:28:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-23 15:28:43,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:28:43,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997706507] [2022-11-23 15:28:43,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997706507] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:28:43,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098190192] [2022-11-23 15:28:43,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:28:43,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:28:43,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:28:43,191 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:28:43,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c6006d-29b2-49f4-b2a3-64e43348c642/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 15:29:05,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-23 15:29:05,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:29:05,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 15:29:05,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:29:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-23 15:29:05,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:29:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-23 15:29:05,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098190192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:29:05,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [346786172] [2022-11-23 15:29:05,837 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-23 15:29:05,837 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:29:05,838 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:29:05,838 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:29:05,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:29:05,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 15:29:05,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:29:05,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-23 15:29:06,065 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-23 15:29:06,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-23 15:29:06,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:29:06,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:29:06,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:29:06,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:29:06,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:29:06,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-23 15:29:09,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:29:09,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:29:09,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:09,518 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:09,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:10,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:10,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:10,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:10,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:10,092 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:29:10,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:29:10,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:10,426 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:10,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:11,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:29:11,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:29:11,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:29:12,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:12,450 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:12,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:13,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:13,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:13,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:13,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:13,651 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:29:13,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:29:14,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:14,212 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:14,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:14,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:29:15,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:15,491 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:15,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:17,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:17,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:17,036 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:29:17,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:29:17,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:17,701 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:17,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:18,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:18,544 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:18,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:20,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:20,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:20,064 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:29:20,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:29:20,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:20,979 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:20,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:21,677 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:29:21,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:29:31,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:29:31,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:29:32,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:32,723 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:32,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:33,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:33,597 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:33,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:34,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:29:34,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:29:34,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:29:35,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:35,577 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:35,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:36,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:36,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:36,731 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:29:36,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:29:37,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:37,377 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:37,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:38,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:29:38,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:38,549 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:38,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:39,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:39,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:39,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:39,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:39,982 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:29:39,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:29:40,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:40,743 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:40,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:41,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:41,429 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:41,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:43,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:43,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:43,120 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:29:43,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:29:43,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:43,950 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:43,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:44,425 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:29:44,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:29:54,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:29:54,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:29:55,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:55,704 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:55,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:56,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:56,602 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:56,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:57,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:29:57,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:29:57,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:29:58,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:58,602 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:29:58,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:29:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:29:59,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:29:59,735 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:29:59,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:30:00,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:00,271 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:30:00,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:30:00,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-23 15:30:01,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:01,659 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:30:01,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:30:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:02,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:02,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:02,973 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:30:02,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-23 15:30:03,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:03,727 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:30:03,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:30:04,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:04,486 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:30:04,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:30:05,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:05,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:30:05,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:05,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:05,958 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-23 15:30:05,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-23 15:30:06,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:30:06,721 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-23 15:30:06,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-23 15:30:07,165 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:30:07,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:30:28,306 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-23 15:30:28,307 INFO L180 IcfgInterpreter]: Interpretation finished