./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array1_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array1_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9fbee177c3231db1a1e3277e649158ac81edd180968ad454e1d0751d0f1d4e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:28,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:28,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:47:28,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:28,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:28,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:28,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:28,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:28,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:28,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:28,157 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:28,158 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:28,159 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:28,159 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:28,160 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:28,160 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:28,161 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:28,162 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:28,162 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:28,163 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:28,163 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:28,164 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:28,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:28,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:28,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:47:28,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:28,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:47:28,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:28,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:28,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:28,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:28,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:47:28,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:28,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:28,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:28,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:28,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:28,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:28,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:28,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:28,172 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:28,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:28,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:28,173 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:28,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:28,174 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9fbee177c3231db1a1e3277e649158ac81edd180968ad454e1d0751d0f1d4e9 [2023-11-12 00:47:28,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:28,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:28,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:28,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:28,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:28,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/array-patterns/array1_pattern.c [2023-11-12 00:47:31,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:31,879 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:31,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/sv-benchmarks/c/array-patterns/array1_pattern.c [2023-11-12 00:47:31,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/data/bd1ace401/675c9f4841ad48189752a2586cf23c1f/FLAGcfea234d3 [2023-11-12 00:47:31,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/data/bd1ace401/675c9f4841ad48189752a2586cf23c1f [2023-11-12 00:47:31,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:31,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:31,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:31,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:31,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:31,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:31" (1/1) ... [2023-11-12 00:47:31,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698b7b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:31, skipping insertion in model container [2023-11-12 00:47:31,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:31" (1/1) ... [2023-11-12 00:47:31,957 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:32,101 WARN L240 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_d001f7c4-6dfc-412d-a013-37b3e7870824/sv-benchmarks/c/array-patterns/array1_pattern.c[1307,1320] [2023-11-12 00:47:32,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:32,129 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:32,139 WARN L240 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_d001f7c4-6dfc-412d-a013-37b3e7870824/sv-benchmarks/c/array-patterns/array1_pattern.c[1307,1320] [2023-11-12 00:47:32,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:32,166 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:32,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32 WrapperNode [2023-11-12 00:47:32,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:32,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:32,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:32,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:32,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,201 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-12 00:47:32,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:32,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:32,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:32,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:32,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:32,228 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:32,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:32,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:32,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (1/1) ... [2023-11-12 00:47:32,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:32,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:32,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:32,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:47:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:47:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:47:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:47:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:47:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:47:32,397 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:32,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:32,598 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:32,662 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:32,669 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:47:32,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:32 BoogieIcfgContainer [2023-11-12 00:47:32,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:32,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:32,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:32,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:32,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:31" (1/3) ... [2023-11-12 00:47:32,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f36f4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:32, skipping insertion in model container [2023-11-12 00:47:32,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:32" (2/3) ... [2023-11-12 00:47:32,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f36f4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:32, skipping insertion in model container [2023-11-12 00:47:32,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:32" (3/3) ... [2023-11-12 00:47:32,689 INFO L112 eAbstractionObserver]: Analyzing ICFG array1_pattern.c [2023-11-12 00:47:32,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:32,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:32,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:32,784 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=LoopHeads, 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;@211e2626, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:32,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:47:32,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:32,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:32,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:32,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:32,809 INFO L85 PathProgramCache]: Analyzing trace with hash -348000308, now seen corresponding path program 1 times [2023-11-12 00:47:32,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:32,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290380247] [2023-11-12 00:47:32,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:32,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:33,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:33,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290380247] [2023-11-12 00:47:33,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290380247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:33,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:33,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:47:33,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171027672] [2023-11-12 00:47:33,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:33,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:47:33,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:33,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:47:33,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:47:33,099 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 00:47:33,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:33,173 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2023-11-12 00:47:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:47:33,176 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-12 00:47:33,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:33,183 INFO L225 Difference]: With dead ends: 24 [2023-11-12 00:47:33,184 INFO L226 Difference]: Without dead ends: 15 [2023-11-12 00:47:33,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:47:33,195 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:33,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:47:33,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-12 00:47:33,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-12 00:47:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2023-11-12 00:47:33,239 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2023-11-12 00:47:33,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:33,240 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2023-11-12 00:47:33,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 00:47:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-12 00:47:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:47:33,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:33,242 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:33,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:47:33,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:33,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:33,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1400754714, now seen corresponding path program 1 times [2023-11-12 00:47:33,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:33,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141039848] [2023-11-12 00:47:33,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:33,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:33,315 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:33,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193213477] [2023-11-12 00:47:33,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:33,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:33,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:33,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:33,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:47:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:33,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:47:33,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:47:33,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:47:33,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:33,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141039848] [2023-11-12 00:47:33,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:47:33,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193213477] [2023-11-12 00:47:33,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193213477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:33,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:33,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:47:33,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486742330] [2023-11-12 00:47:33,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:33,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:47:33,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:33,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:47:33,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:47:33,513 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:33,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:33,568 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2023-11-12 00:47:33,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:47:33,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2023-11-12 00:47:33,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:33,571 INFO L225 Difference]: With dead ends: 19 [2023-11-12 00:47:33,572 INFO L226 Difference]: Without dead ends: 16 [2023-11-12 00:47:33,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:47:33,574 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:33,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:47:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-12 00:47:33,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-12 00:47:33,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-12 00:47:33,586 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 16 [2023-11-12 00:47:33,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:33,587 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-12 00:47:33,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-12 00:47:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:47:33,590 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:33,591 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:33,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:33,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:33,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:33,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:33,804 INFO L85 PathProgramCache]: Analyzing trace with hash 473487722, now seen corresponding path program 1 times [2023-11-12 00:47:33,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:33,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243713069] [2023-11-12 00:47:33,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:33,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:33,845 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:33,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994727408] [2023-11-12 00:47:33,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:33,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:33,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:33,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:33,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:47:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:33,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:47:33,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:34,066 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:47:34,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:34,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243713069] [2023-11-12 00:47:34,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:47:34,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994727408] [2023-11-12 00:47:34,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994727408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:34,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:34,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:47:34,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132793192] [2023-11-12 00:47:34,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:34,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:47:34,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:34,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:47:34,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:47:34,083 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:34,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:34,161 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2023-11-12 00:47:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:47:34,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2023-11-12 00:47:34,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:34,162 INFO L225 Difference]: With dead ends: 29 [2023-11-12 00:47:34,162 INFO L226 Difference]: Without dead ends: 17 [2023-11-12 00:47:34,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:47:34,164 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:34,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:47:34,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-11-12 00:47:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-12 00:47:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2023-11-12 00:47:34,171 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 17 [2023-11-12 00:47:34,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:34,171 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-12 00:47:34,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:47:34,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:47:34,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:34,173 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:34,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:34,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:34,379 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:34,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash 199414858, now seen corresponding path program 1 times [2023-11-12 00:47:34,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:34,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719447044] [2023-11-12 00:47:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:34,439 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:34,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032437985] [2023-11-12 00:47:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:34,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:34,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:34,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:47:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:34,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-12 00:47:34,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:34,615 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-12 00:47:34,680 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-12 00:47:34,688 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 32 treesize of output 15 [2023-11-12 00:47:34,695 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-12 00:47:34,989 INFO L322 Elim1Store]: treesize reduction 51, result has 12.1 percent of original size [2023-11-12 00:47:34,989 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 42 treesize of output 28 [2023-11-12 00:47:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:35,169 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:41,329 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse12 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (let ((.cse5 (* .cse12 4)) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (and (forall ((v_z_4 Int)) (let ((.cse0 (+ .cse12 v_z_4))) (or (< 6442450943 .cse0) (< .cse0 4294967296) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse9 (* v_y_4 4294967296)) (.cse10 (* 4294967295 v_z_4))) (let ((.cse8 (+ .cse9 .cse10))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_4) (* 17179869184 v_y_4)) (* |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1| .cse8))))) (let ((.cse3 (select .cse1 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse4 (* v_z_4 4)) (.cse6 (* |c_ULTIMATE.start_main_~num~0#1| .cse8))) (or (= (let ((.cse2 (store .cse3 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse4 .cse5) .cse6))) (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse2) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) 0) (= (let ((.cse7 (store .cse3 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse4 .cse5) .cse6))) (+ (select .cse7 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse1 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse7) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) 0) (< .cse8 0) (< c_~ARR_SIZE~0 (+ .cse9 .cse10 1))))))))))) (forall ((v_z_1 Int)) (or (< (+ .cse12 v_z_1) 6442450944) (forall ((v_y_1 Int)) (let ((.cse13 (* 4294967295 v_z_1)) (.cse14 (* v_y_1 4294967296))) (let ((.cse15 (+ .cse13 .cse14))) (or (< c_~ARR_SIZE~0 (+ .cse13 .cse14 1)) (< .cse15 0) (= (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869180 v_z_1) (* 17179869184 v_y_1) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (* .cse15 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse17 (store (select .cse16 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (* v_z_1 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse5 (- 34359738368)) (* .cse15 |c_ULTIMATE.start_main_~num~0#1|)))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse16 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse17) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse17 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0))))) (< 4294967295 v_z_1))) (forall ((v_z_1 Int)) (let ((.cse27 (+ .cse12 v_z_1))) (or (< v_z_1 0) (forall ((v_y_1 Int)) (let ((.cse18 (* 4294967295 v_z_1)) (.cse19 (* v_y_1 4294967296))) (let ((.cse25 (+ .cse18 .cse19))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869180 v_z_1) (* 17179869184 v_y_1) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (* .cse25 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse22 (select .cse20 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse23 (* v_z_1 4)) (.cse24 (* .cse25 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse18 .cse19 1)) (= (let ((.cse21 (store .cse22 (+ .cse23 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse5) .cse24))) (+ (select (select (store .cse20 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse21) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse21 |c_ULTIMATE.start_main_~#array2~0#1.offset|))) 0) (< .cse25 0) (= (let ((.cse26 (store .cse22 (+ .cse23 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse5 (- 34359738368)) .cse24))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse20 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse26) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse26 |c_ULTIMATE.start_main_~#array2~0#1.offset|))) 0))))))) (< .cse27 2147483648) (< 4294967295 .cse27)))) (forall ((v_z_1 Int)) (let ((.cse33 (+ .cse12 v_z_1))) (or (forall ((v_y_1 Int)) (let ((.cse28 (* 4294967295 v_z_1)) (.cse29 (* v_y_1 4294967296))) (let ((.cse32 (+ .cse28 .cse29))) (or (< c_~ARR_SIZE~0 (+ .cse28 .cse29 1)) (= (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869180 v_z_1) (* 17179869184 v_y_1) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (* .cse32 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse31 (store (select .cse30 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (* v_z_1 4) (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse5) (* .cse32 |c_ULTIMATE.start_main_~num~0#1|)))) (+ (select (select (store .cse30 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse31) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse31 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0) (< .cse32 0))))) (< v_z_1 0) (< .cse33 2147483648) (< 4294967295 .cse33)))) (forall ((v_z_4 Int)) (or (< 2147483647 (+ .cse12 v_z_4)) (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse41 (* v_y_4 4294967296)) (.cse42 (* 4294967295 v_z_4))) (let ((.cse40 (+ .cse41 .cse42))) (let ((.cse34 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_4) (* 17179869184 v_y_4)) (* |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1| .cse40))))) (let ((.cse36 (select .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse37 (* v_z_4 4)) (.cse38 (* |c_ULTIMATE.start_main_~num~0#1| .cse40))) (or (= (let ((.cse35 (store .cse36 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse37 .cse5) .cse38))) (+ (select (select (store .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse35) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse35 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)) 0) (= (let ((.cse39 (store .cse36 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse37 .cse5) .cse38))) (+ (select .cse39 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse39) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|))) 0) (< .cse40 0) (< c_~ARR_SIZE~0 (+ .cse41 .cse42 1)))))))))) (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse46 (* v_y_4 4294967296)) (.cse47 (* 4294967295 v_z_4))) (let ((.cse45 (+ .cse46 .cse47))) (or (= (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_4) (* 17179869184 v_y_4)) (* |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1| .cse45))))) (let ((.cse44 (store (select .cse43 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| (* v_z_4 4) .cse5) (* |c_ULTIMATE.start_main_~num~0#1| .cse45)))) (+ (select (select (store .cse43 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse44) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse44 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|))) 0) (< .cse45 0) (< c_~ARR_SIZE~0 (+ .cse46 .cse47 1)))))) (< 2147483647 (+ .cse12 v_z_4)) (< v_z_4 0))) (forall ((v_z_4 Int)) (let ((.cse48 (+ .cse12 v_z_4))) (or (< 6442450943 .cse48) (< .cse48 4294967296) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse52 (* v_y_4 4294967296)) (.cse53 (* 4294967295 v_z_4))) (let ((.cse51 (+ .cse52 .cse53))) (or (= (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_4) (* 17179869184 v_y_4)) (* |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1| .cse51))))) (let ((.cse49 (store (select .cse50 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| (* v_z_4 4) .cse5) (* |c_ULTIMATE.start_main_~num~0#1| .cse51)))) (+ (select .cse49 |c_ULTIMATE.start_main_~#array2~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse50 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse49) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|)))) 0) (< .cse51 0) (< c_~ARR_SIZE~0 (+ .cse52 .cse53 1))))))))) (forall ((v_z_1 Int)) (or (< (+ .cse12 v_z_1) 6442450944) (forall ((v_y_1 Int)) (let ((.cse54 (* 4294967295 v_z_1)) (.cse55 (* v_y_1 4294967296))) (let ((.cse61 (+ .cse54 .cse55))) (let ((.cse56 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869180 v_z_1) (* 17179869184 v_y_1) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (* .cse61 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse58 (select .cse56 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse59 (* v_z_1 4)) (.cse60 (* .cse61 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse54 .cse55 1)) (= (let ((.cse57 (store .cse58 (+ .cse59 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse5) .cse60))) (+ (select (select (store .cse56 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse57) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse57 |c_ULTIMATE.start_main_~#array2~0#1.offset|))) 0) (< .cse61 0) (= (let ((.cse62 (store .cse58 (+ .cse59 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse5 (- 34359738368)) .cse60))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select (select (store .cse56 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse62) |c_ULTIMATE.start_main_~#array1~0#1.base|) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse62 |c_ULTIMATE.start_main_~#array2~0#1.offset|))) 0))))))) (< 4294967295 v_z_1)))))) is different from true [2023-11-12 00:47:41,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:41,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719447044] [2023-11-12 00:47:41,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:47:41,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032437985] [2023-11-12 00:47:41,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032437985] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:47:41,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [513655100] [2023-11-12 00:47:41,359 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2023-11-12 00:47:41,359 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:47:41,363 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:47:41,369 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:47:41,369 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:47:42,063 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-12 00:47:42,064 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:47:43,350 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '392#(and (<= |ULTIMATE.start_main_~index~0#1| 32766) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#array2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~index~0#1|) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~count~0#1|) (<= 2 |ULTIMATE.start_main_~#array1~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= |ULTIMATE.start_main_~sum~0#1| 0)) (<= 2 |ULTIMATE.start_main_~#array2~0#1.base|) (= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (= |ULTIMATE.start_main_~#array1~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= ~ARR_SIZE~0 32767) (<= 1 ~ARR_SIZE~0))' at error location [2023-11-12 00:47:43,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:47:43,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:47:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2023-11-12 00:47:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993627347] [2023-11-12 00:47:43,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-12 00:47:43,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-12 00:47:43,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:43,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-12 00:47:43,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=759, Unknown=2, NotChecked=56, Total=930 [2023-11-12 00:47:43,353 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:44,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:44,127 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2023-11-12 00:47:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 00:47:44,128 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-12 00:47:44,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:44,129 INFO L225 Difference]: With dead ends: 40 [2023-11-12 00:47:44,129 INFO L226 Difference]: Without dead ends: 37 [2023-11-12 00:47:44,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=212, Invalid=1196, Unknown=2, NotChecked=72, Total=1482 [2023-11-12 00:47:44,131 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 51 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:44,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 66 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:47:44,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-12 00:47:44,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28. [2023-11-12 00:47:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:47:44,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-11-12 00:47:44,149 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 18 [2023-11-12 00:47:44,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:44,149 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-11-12 00:47:44,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-12 00:47:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:47:44,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:44,151 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:44,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:44,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:44,361 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:44,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:44,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1886657850, now seen corresponding path program 2 times [2023-11-12 00:47:44,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:44,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086270118] [2023-11-12 00:47:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:44,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:44,407 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:44,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884271034] [2023-11-12 00:47:44,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:47:44,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:44,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:44,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:47:44,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-12 00:47:44,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:47:44,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:47:44,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:44,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:47:44,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086270118] [2023-11-12 00:47:44,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:47:44,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884271034] [2023-11-12 00:47:44,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884271034] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:47:44,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [59972900] [2023-11-12 00:47:44,613 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2023-11-12 00:47:44,613 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:47:44,614 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:47:44,614 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:47:44,614 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:47:45,161 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-12 00:47:45,162 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:47:45,995 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '638#(and (<= |ULTIMATE.start_main_~index~0#1| 32766) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#array2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~index~0#1|) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~count~0#1|) (<= 2 |ULTIMATE.start_main_~#array1~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= |ULTIMATE.start_main_~sum~0#1| 0)) (<= 2 |ULTIMATE.start_main_~#array2~0#1.base|) (= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (= |ULTIMATE.start_main_~#array1~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= ~ARR_SIZE~0 32767) (<= 1 ~ARR_SIZE~0))' at error location [2023-11-12 00:47:45,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:47:45,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:47:45,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-12 00:47:45,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226770403] [2023-11-12 00:47:45,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 00:47:45,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:45,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:45,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:45,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=350, Unknown=1, NotChecked=0, Total=420 [2023-11-12 00:47:45,997 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:47:46,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:46,171 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2023-11-12 00:47:46,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 00:47:46,172 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2023-11-12 00:47:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:46,173 INFO L225 Difference]: With dead ends: 37 [2023-11-12 00:47:46,173 INFO L226 Difference]: Without dead ends: 24 [2023-11-12 00:47:46,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=460, Unknown=1, NotChecked=0, Total=552 [2023-11-12 00:47:46,175 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 35 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:46,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 44 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:47:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-12 00:47:46,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2023-11-12 00:47:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2023-11-12 00:47:46,182 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 19 [2023-11-12 00:47:46,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:46,182 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2023-11-12 00:47:46,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:47:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2023-11-12 00:47:46,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:47:46,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:46,183 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:46,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-12 00:47:46,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:46,388 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:46,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash 293090666, now seen corresponding path program 3 times [2023-11-12 00:47:46,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:46,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120585531] [2023-11-12 00:47:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:46,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:46,409 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:46,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261452569] [2023-11-12 00:47:46,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-12 00:47:46,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:46,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:46,411 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:46,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:47:46,499 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-12 00:47:46,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:47:46,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:47:46,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:46,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:47:46,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:46,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120585531] [2023-11-12 00:47:46,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:47:46,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261452569] [2023-11-12 00:47:46,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261452569] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:47:46,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1672479848] [2023-11-12 00:47:46,638 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2023-11-12 00:47:46,638 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:47:46,638 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:47:46,639 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:47:46,639 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:47:47,082 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-12 00:47:47,083 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:47:47,851 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '857#(and (<= |ULTIMATE.start_main_~index~0#1| 32766) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#array2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~index~0#1|) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~count~0#1|) (<= 2 |ULTIMATE.start_main_~#array1~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= |ULTIMATE.start_main_~sum~0#1| 0)) (<= 2 |ULTIMATE.start_main_~#array2~0#1.base|) (= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (= |ULTIMATE.start_main_~#array1~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= ~ARR_SIZE~0 32767) (<= 1 ~ARR_SIZE~0))' at error location [2023-11-12 00:47:47,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:47:47,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:47:47,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-12 00:47:47,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179128626] [2023-11-12 00:47:47,852 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 00:47:47,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:47,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:47,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:47,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2023-11-12 00:47:47,854 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:47:47,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:47,979 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2023-11-12 00:47:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 00:47:47,979 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2023-11-12 00:47:47,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:47,980 INFO L225 Difference]: With dead ends: 24 [2023-11-12 00:47:47,980 INFO L226 Difference]: Without dead ends: 21 [2023-11-12 00:47:47,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2023-11-12 00:47:47,982 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:47,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 31 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:47:47,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-12 00:47:47,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-12 00:47:47,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:47:47,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-12 00:47:47,988 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 19 [2023-11-12 00:47:47,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:47,989 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-12 00:47:47,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:47:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-12 00:47:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:47:47,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:47,990 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:47,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:48,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:48,196 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:48,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:48,197 INFO L85 PathProgramCache]: Analyzing trace with hash 495640602, now seen corresponding path program 4 times [2023-11-12 00:47:48,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:48,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059268928] [2023-11-12 00:47:48,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:48,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:48,227 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:47:48,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782714746] [2023-11-12 00:47:48,228 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-12 00:47:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:48,229 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:48,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 00:47:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:48,366 WARN L260 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-12 00:47:48,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:48,408 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-12 00:47:48,462 INFO L351 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 27 treesize of output 15 [2023-11-12 00:47:48,547 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-12 00:47:49,226 INFO L322 Elim1Store]: treesize reduction 180, result has 23.4 percent of original size [2023-11-12 00:47:49,227 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 158 treesize of output 173 [2023-11-12 00:47:49,372 INFO L322 Elim1Store]: treesize reduction 40, result has 46.7 percent of original size [2023-11-12 00:47:49,372 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 158 [2023-11-12 00:47:49,434 INFO L322 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2023-11-12 00:47:49,435 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 129 [2023-11-12 00:47:49,796 INFO L322 Elim1Store]: treesize reduction 58, result has 22.7 percent of original size [2023-11-12 00:47:49,796 INFO L351 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 2 case distinctions, treesize of input 29 treesize of output 40 [2023-11-12 00:47:50,020 INFO L322 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2023-11-12 00:47:50,021 INFO L351 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 88 [2023-11-12 00:47:52,279 INFO L322 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2023-11-12 00:47:52,280 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 53 [2023-11-12 00:47:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:52,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:48:00,106 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse16 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (let ((.cse6 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse4 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse10 (* .cse16 4)) (.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (and (forall ((v_z_15 Int)) (let ((.cse0 (+ .cse16 v_z_15))) (or (< 4294967295 v_z_15) (< .cse0 4294967296) (forall ((v_y_15 Int)) (let ((.cse1 (* v_y_15 4294967296)) (.cse2 (* v_z_15 4294967295))) (let ((.cse12 (+ .cse1 .cse2))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse15 (+ (* 17179869180 v_z_15) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869184 v_y_15)) (* .cse12 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse8 (select .cse7 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse9 (* v_z_15 4)) (.cse11 (* .cse12 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse1 .cse2 1)) (= (let ((.cse5 (store .cse8 (+ .cse9 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse11))) (let ((.cse3 (select (store .cse7 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse5) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse3 .cse4) (select .cse5 .cse6) (select .cse5 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|))) 0) (< .cse12 0) (= (let ((.cse14 (store .cse8 (+ (- 17179869184) .cse9 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse11))) (let ((.cse13 (select (store .cse7 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse14) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse13 .cse4) (select .cse13 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse14 .cse6) (select .cse14 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0))))))) (< 6442450943 .cse0)))) (forall ((v_z_15 Int)) (let ((.cse17 (+ .cse16 v_z_15))) (or (< 4294967295 v_z_15) (< .cse17 4294967296) (forall ((v_y_15 Int)) (let ((.cse18 (* v_y_15 4294967296)) (.cse19 (* v_z_15 4294967295))) (let ((.cse20 (+ .cse18 .cse19))) (or (< c_~ARR_SIZE~0 (+ .cse18 .cse19 1)) (< .cse20 0) (= (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse15 (+ (* 17179869180 v_z_15) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869184 v_y_15)) (* .cse20 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse22 (store (select .cse23 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (- 17179869184) (* v_z_15 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) (* .cse20 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse21 (select (store .cse23 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse22) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse21 .cse4) (select .cse21 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse22 .cse6) (select .cse22 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))) 0))))) (< 6442450943 .cse17)))) (forall ((v_z_18 Int)) (or (< (+ .cse16 v_z_18) 6442450944) (forall ((v_y_18 Int)) (let ((.cse24 (* v_y_18 4294967296)) (.cse25 (* v_z_18 4294967295))) (let ((.cse29 (+ .cse24 .cse25))) (or (< c_~ARR_SIZE~0 (+ .cse24 .cse25 1)) (= (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse15 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_18) (* 17179869184 v_y_18)) (* .cse29 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse27 (store (select .cse28 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (* v_z_18 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) (* .cse29 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse26 (select (store .cse28 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse27) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse26 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse27 .cse6) (select .cse26 .cse4) (select .cse27 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))) 0) (< .cse29 0))))) (< 4294967295 v_z_18))) (forall ((v_z_18 Int)) (or (< (+ .cse16 v_z_18) 6442450944) (< 4294967295 v_z_18) (forall ((v_y_18 Int)) (let ((.cse30 (* v_y_18 4294967296)) (.cse31 (* v_z_18 4294967295))) (let ((.cse40 (+ .cse30 .cse31))) (let ((.cse34 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse15 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_18) (* 17179869184 v_y_18)) (* .cse40 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse35 (select .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse36 (* v_z_18 4)) (.cse37 (* .cse40 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse30 .cse31 1)) (= (let ((.cse32 (store .cse35 (+ (- 17179869184) .cse36 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse37))) (let ((.cse33 (select (store .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse32) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse32 .cse6) |c_ULTIMATE.start_main_~sum~0#1| (select .cse32 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse33 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse33 .cse4)))) 0) (= (let ((.cse39 (store .cse35 (+ .cse36 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) .cse37))) (let ((.cse38 (select (store .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse39) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse38 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse39 .cse6) (select .cse38 .cse4) (select .cse39 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0) (< .cse40 0))))))))) (forall ((v_z_18 Int)) (let ((.cse41 (+ .cse16 v_z_18))) (or (< 4294967295 .cse41) (< v_z_18 0) (forall ((v_y_18 Int)) (let ((.cse42 (* v_y_18 4294967296)) (.cse43 (* v_z_18 4294967295))) (let ((.cse52 (+ .cse42 .cse43))) (let ((.cse46 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse15 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_18) (* 17179869184 v_y_18)) (* .cse52 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse47 (select .cse46 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse48 (* v_z_18 4)) (.cse49 (* .cse52 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse42 .cse43 1)) (= (let ((.cse44 (store .cse47 (+ (- 17179869184) .cse48 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse49))) (let ((.cse45 (select (store .cse46 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse44) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse44 .cse6) |c_ULTIMATE.start_main_~sum~0#1| (select .cse44 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse45 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse45 .cse4)))) 0) (= (let ((.cse51 (store .cse47 (+ .cse48 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) .cse49))) (let ((.cse50 (select (store .cse46 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse51) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse50 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse51 .cse6) (select .cse50 .cse4) (select .cse51 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0) (< .cse52 0))))))) (< .cse41 2147483648)))) (forall ((v_z_15 Int)) (or (< v_z_15 0) (forall ((v_y_15 Int)) (let ((.cse53 (* v_y_15 4294967296)) (.cse54 (* v_z_15 4294967295))) (let ((.cse61 (+ .cse53 .cse54))) (let ((.cse57 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse15 (+ (* 17179869180 v_z_15) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869184 v_y_15)) (* .cse61 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse58 (select .cse57 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse59 (* v_z_15 4)) (.cse60 (* .cse61 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse53 .cse54 1)) (= (let ((.cse56 (store .cse58 (+ .cse59 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse60))) (let ((.cse55 (select (store .cse57 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse56) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse55 .cse4) (select .cse56 .cse6) (select .cse56 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse55 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|))) 0) (< .cse61 0) (= (let ((.cse63 (store .cse58 (+ (- 17179869184) .cse59 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse60))) (let ((.cse62 (select (store .cse57 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse63) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse62 .cse4) (select .cse62 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse63 .cse6) (select .cse63 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0))))))) (< 2147483647 (+ .cse16 v_z_15)))) (forall ((v_z_15 Int)) (or (< v_z_15 0) (< 2147483647 (+ .cse16 v_z_15)) (forall ((v_y_15 Int)) (let ((.cse64 (* v_y_15 4294967296)) (.cse65 (* v_z_15 4294967295))) (let ((.cse69 (+ .cse64 .cse65))) (or (< c_~ARR_SIZE~0 (+ .cse64 .cse65 1)) (= (let ((.cse68 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse15 (+ (* 17179869180 v_z_15) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869184 v_y_15)) (* .cse69 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse67 (store (select .cse68 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (* v_z_15 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) (* .cse69 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse66 (select (store .cse68 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse67) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse66 .cse4) (select .cse67 .cse6) (select .cse67 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse66 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|)))) 0) (< .cse69 0))))))) (forall ((v_z_18 Int)) (let ((.cse70 (+ .cse16 v_z_18))) (or (< 4294967295 .cse70) (forall ((v_y_18 Int)) (let ((.cse71 (* v_y_18 4294967296)) (.cse72 (* v_z_18 4294967295))) (let ((.cse76 (+ .cse71 .cse72))) (or (< c_~ARR_SIZE~0 (+ .cse71 .cse72 1)) (= (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse15 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_18) (* 17179869184 v_y_18)) (* .cse76 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse73 (store (select .cse75 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (- 17179869184) (* v_z_18 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) (* .cse76 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse74 (select (store .cse75 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse73) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse73 .cse6) |c_ULTIMATE.start_main_~sum~0#1| (select .cse73 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse74 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse74 .cse4))))) 0) (< .cse76 0))))) (< v_z_18 0) (< .cse70 2147483648))))))) is different from true [2023-11-12 00:48:00,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:00,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059268928] [2023-11-12 00:48:00,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:48:00,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782714746] [2023-11-12 00:48:00,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782714746] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:48:00,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [746611932] [2023-11-12 00:48:00,114 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2023-11-12 00:48:00,114 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:48:00,114 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:48:00,114 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:48:00,115 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:48:00,498 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-12 00:48:00,499 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:48:01,742 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1049#(and (<= |ULTIMATE.start_main_~index~0#1| 32766) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#array2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~index~0#1|) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~count~0#1|) (<= 2 |ULTIMATE.start_main_~#array1~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= |ULTIMATE.start_main_~sum~0#1| 0)) (<= 2 |ULTIMATE.start_main_~#array2~0#1.base|) (= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (= |ULTIMATE.start_main_~#array1~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= ~ARR_SIZE~0 32767) (<= 1 ~ARR_SIZE~0))' at error location [2023-11-12 00:48:01,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:48:01,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:48:01,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-11-12 00:48:01,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140987383] [2023-11-12 00:48:01,743 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-12 00:48:01,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-12 00:48:01,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:01,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 00:48:01,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=973, Unknown=4, NotChecked=64, Total=1190 [2023-11-12 00:48:01,745 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 17 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:48:02,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:02,595 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2023-11-12 00:48:02,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-12 00:48:02,596 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2023-11-12 00:48:02,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:02,597 INFO L225 Difference]: With dead ends: 39 [2023-11-12 00:48:02,597 INFO L226 Difference]: Without dead ends: 36 [2023-11-12 00:48:02,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=237, Invalid=1485, Unknown=4, NotChecked=80, Total=1806 [2023-11-12 00:48:02,598 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 69 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:02,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 62 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:48:02,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-12 00:48:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2023-11-12 00:48:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 00:48:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2023-11-12 00:48:02,611 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 20 [2023-11-12 00:48:02,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:02,611 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2023-11-12 00:48:02,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 00:48:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-12 00:48:02,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:48:02,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:02,613 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:02,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:02,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:02,816 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:02,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:02,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1815245974, now seen corresponding path program 5 times [2023-11-12 00:48:02,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:02,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050909067] [2023-11-12 00:48:02,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:02,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:02,855 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:48:02,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2098409248] [2023-11-12 00:48:02,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:48:02,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:02,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:02,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:48:02,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:48:02,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-12 00:48:02,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:48:02,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:48:02,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:48:03,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:48:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:48:03,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:03,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050909067] [2023-11-12 00:48:03,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:48:03,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098409248] [2023-11-12 00:48:03,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098409248] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:48:03,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1917799698] [2023-11-12 00:48:03,116 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2023-11-12 00:48:03,116 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:48:03,117 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:48:03,117 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:48:03,117 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:48:03,555 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-12 00:48:03,556 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:48:04,355 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1315#(and (<= |ULTIMATE.start_main_~index~0#1| 32766) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#array2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~index~0#1|) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~count~0#1|) (<= 2 |ULTIMATE.start_main_~#array1~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= |ULTIMATE.start_main_~sum~0#1| 0)) (<= 2 |ULTIMATE.start_main_~#array2~0#1.base|) (= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (= |ULTIMATE.start_main_~#array1~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= ~ARR_SIZE~0 32767) (<= 1 ~ARR_SIZE~0))' at error location [2023-11-12 00:48:04,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:48:04,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:48:04,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-11-12 00:48:04,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022006598] [2023-11-12 00:48:04,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 00:48:04,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 00:48:04,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:04,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 00:48:04,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=461, Unknown=2, NotChecked=0, Total=552 [2023-11-12 00:48:04,358 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:48:04,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:04,496 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2023-11-12 00:48:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 00:48:04,498 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2023-11-12 00:48:04,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:04,498 INFO L225 Difference]: With dead ends: 53 [2023-11-12 00:48:04,499 INFO L226 Difference]: Without dead ends: 45 [2023-11-12 00:48:04,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=124, Invalid=630, Unknown=2, NotChecked=0, Total=756 [2023-11-12 00:48:04,500 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 44 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:04,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 50 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:48:04,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-12 00:48:04,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2023-11-12 00:48:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-12 00:48:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2023-11-12 00:48:04,515 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 21 [2023-11-12 00:48:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:04,516 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2023-11-12 00:48:04,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:48:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2023-11-12 00:48:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:48:04,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:04,517 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:04,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:04,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:04,729 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:04,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:04,729 INFO L85 PathProgramCache]: Analyzing trace with hash 323778874, now seen corresponding path program 6 times [2023-11-12 00:48:04,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:04,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125681023] [2023-11-12 00:48:04,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:04,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:04,765 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:48:04,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313778071] [2023-11-12 00:48:04,769 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-12 00:48:04,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:04,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:04,771 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:48:04,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 00:48:04,870 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-12 00:48:04,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:48:04,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:48:04,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:48:04,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:48:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:48:05,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:05,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125681023] [2023-11-12 00:48:05,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:48:05,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313778071] [2023-11-12 00:48:05,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313778071] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:48:05,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [718793614] [2023-11-12 00:48:05,014 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2023-11-12 00:48:05,014 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:48:05,014 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:48:05,015 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:48:05,015 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:48:05,398 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-12 00:48:05,400 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:48:06,147 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1605#(and (<= |ULTIMATE.start_main_~index~0#1| 32766) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#array2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~index~0#1|) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~count~0#1|) (<= 2 |ULTIMATE.start_main_~#array1~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= |ULTIMATE.start_main_~sum~0#1| 0)) (<= 2 |ULTIMATE.start_main_~#array2~0#1.base|) (= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (= |ULTIMATE.start_main_~#array1~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= ~ARR_SIZE~0 32767) (<= 1 ~ARR_SIZE~0))' at error location [2023-11-12 00:48:06,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:48:06,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:48:06,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-11-12 00:48:06,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432636017] [2023-11-12 00:48:06,148 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 00:48:06,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 00:48:06,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:06,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 00:48:06,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=457, Unknown=2, NotChecked=0, Total=552 [2023-11-12 00:48:06,150 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:48:06,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:06,295 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2023-11-12 00:48:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 00:48:06,297 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2023-11-12 00:48:06,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:06,297 INFO L225 Difference]: With dead ends: 45 [2023-11-12 00:48:06,298 INFO L226 Difference]: Without dead ends: 42 [2023-11-12 00:48:06,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=127, Invalid=627, Unknown=2, NotChecked=0, Total=756 [2023-11-12 00:48:06,299 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 42 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:06,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 44 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:48:06,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-12 00:48:06,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2023-11-12 00:48:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-12 00:48:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2023-11-12 00:48:06,313 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 21 [2023-11-12 00:48:06,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:06,314 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2023-11-12 00:48:06,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:48:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-11-12 00:48:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:48:06,315 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:06,315 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:06,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:06,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:06,529 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:06,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:06,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1446975050, now seen corresponding path program 7 times [2023-11-12 00:48:06,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:06,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193015748] [2023-11-12 00:48:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:06,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:06,545 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:48:06,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678794088] [2023-11-12 00:48:06,546 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-12 00:48:06,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:06,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:06,547 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:48:06,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d001f7c4-6dfc-412d-a013-37b3e7870824/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 00:48:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:06,721 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-12 00:48:06,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:48:06,773 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-12 00:48:06,829 INFO L351 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 27 treesize of output 15 [2023-11-12 00:48:06,893 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-12 00:48:06,987 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2023-11-12 00:48:07,974 INFO L322 Elim1Store]: treesize reduction 264, result has 25.0 percent of original size [2023-11-12 00:48:07,974 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 5 disjoint index pairs (out of 66 index pairs), introduced 13 new quantified variables, introduced 45 case distinctions, treesize of input 186 treesize of output 225 [2023-11-12 00:48:08,140 INFO L322 Elim1Store]: treesize reduction 40, result has 46.7 percent of original size [2023-11-12 00:48:08,140 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 190 [2023-11-12 00:48:08,217 INFO L322 Elim1Store]: treesize reduction 99, result has 1.0 percent of original size [2023-11-12 00:48:08,217 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 137 [2023-11-12 00:48:08,342 INFO L322 Elim1Store]: treesize reduction 100, result has 29.6 percent of original size [2023-11-12 00:48:08,343 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 56 [2023-11-12 00:48:08,560 INFO L322 Elim1Store]: treesize reduction 70, result has 37.5 percent of original size [2023-11-12 00:48:08,560 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 72 [2023-11-12 00:48:08,968 INFO L322 Elim1Store]: treesize reduction 64, result has 36.0 percent of original size [2023-11-12 00:48:08,969 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 169 [2023-11-12 00:48:10,160 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 57 [2023-11-12 00:48:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:48:10,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:48:18,454 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse12 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (let ((.cse4 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (.cse7 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse8 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse10 (* .cse12 4)) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (and (forall ((v_z_27 Int)) (or (< v_z_27 0) (forall ((v_y_27 Int)) (let ((.cse0 (* v_y_27 4294967296)) (.cse1 (* v_z_27 4294967295))) (let ((.cse2 (+ .cse0 .cse1))) (or (< c_~ARR_SIZE~0 (+ .cse0 .cse1 1)) (< .cse2 0) (= (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_27) (* 17179869184 v_y_27)) (* .cse2 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse3 (store (select .cse9 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (* v_z_27 4)) (* .cse2 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse5 (select (store .cse9 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse3) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse3 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse3 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse5 .cse6) (select .cse5 .cse7) (select .cse3 .cse8) (select .cse5 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) 0) (< 32767 .cse2))))) (< 2147483647 (+ .cse12 v_z_27)))) (forall ((v_z_24 Int)) (or (< 4294967295 v_z_24) (forall ((v_y_24 Int)) (let ((.cse13 (* v_z_24 4294967295)) (.cse14 (* v_y_24 4294967296))) (let ((.cse15 (+ .cse13 .cse14))) (or (< c_~ARR_SIZE~0 (+ .cse13 .cse14 1)) (< 32767 .cse15) (< .cse15 0) (= (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869184 v_y_24) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_24)) (* .cse15 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse16 (store (select .cse18 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (* v_z_24 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) (* .cse15 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse17 (select (store .cse18 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse16) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse16 .cse8) (select .cse17 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse16 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse17 .cse6) (select .cse17 .cse7) (select .cse16 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))) 0))))) (< (+ .cse12 v_z_24) 6442450944))) (forall ((v_z_24 Int)) (or (forall ((v_y_24 Int)) (let ((.cse19 (* v_z_24 4294967295)) (.cse20 (* v_y_24 4294967296))) (let ((.cse21 (+ .cse19 .cse20))) (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869184 v_y_24) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_24)) (* .cse21 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse26 (* v_z_24 4)) (.cse27 (* .cse21 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse19 .cse20 1)) (< 32767 .cse21) (< .cse21 0) (= (let ((.cse22 (store .cse25 (+ (- 17179869184) .cse26 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse27))) (let ((.cse23 (select (store .cse24 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse22) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse22 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse23 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse23 .cse7) (select .cse22 .cse8) (select .cse23 .cse6) (select .cse22 .cse4)))) 0) (= (let ((.cse28 (store .cse25 (+ .cse26 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) .cse27))) (let ((.cse29 (select (store .cse24 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse28) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse28 .cse8) (select .cse29 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse28 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse29 .cse6) (select .cse29 .cse7) (select .cse28 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0))))))) (< 4294967295 v_z_24) (< (+ .cse12 v_z_24) 6442450944))) (forall ((v_z_27 Int)) (let ((.cse36 (+ .cse12 v_z_27))) (or (forall ((v_y_27 Int)) (let ((.cse30 (* v_y_27 4294967296)) (.cse31 (* v_z_27 4294967295))) (let ((.cse35 (+ .cse30 .cse31))) (or (< c_~ARR_SIZE~0 (+ .cse30 .cse31 1)) (= (let ((.cse34 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_27) (* 17179869184 v_y_27)) (* .cse35 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse32 (store (select .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (* v_z_27 4)) (* .cse35 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse33 (select (store .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse32) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse32 .cse4) (select .cse33 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse32 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse33 .cse6) (select .cse33 .cse7) (select .cse32 .cse8))))) 0) (< .cse35 0) (< 32767 .cse35))))) (< .cse36 4294967296) (< 6442450943 .cse36) (< 4294967295 v_z_27)))) (forall ((v_z_27 Int)) (let ((.cse37 (+ .cse12 v_z_27))) (or (< .cse37 4294967296) (forall ((v_y_27 Int)) (let ((.cse38 (* v_y_27 4294967296)) (.cse39 (* v_z_27 4294967295))) (let ((.cse46 (+ .cse38 .cse39))) (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_27) (* 17179869184 v_y_27)) (* .cse46 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse43 (select .cse42 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse44 (* v_z_27 4)) (.cse45 (* .cse46 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse38 .cse39 1)) (= (let ((.cse40 (store .cse43 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 .cse44) .cse45))) (let ((.cse41 (select (store .cse42 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse40) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse40 .cse4) (select .cse41 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse40 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse41 .cse6) (select .cse41 .cse7) (select .cse40 .cse8)))) 0) (< .cse46 0) (= (let ((.cse47 (store .cse43 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 .cse44) .cse45))) (let ((.cse48 (select (store .cse42 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse47) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse47 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse47 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse48 .cse6) (select .cse48 .cse7) (select .cse47 .cse8) (select .cse48 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))) 0) (< 32767 .cse46))))))) (< 6442450943 .cse37) (< 4294967295 v_z_27)))) (forall ((v_z_24 Int)) (let ((.cse49 (+ .cse12 v_z_24))) (or (< v_z_24 0) (< 4294967295 .cse49) (< .cse49 2147483648) (forall ((v_y_24 Int)) (let ((.cse50 (* v_z_24 4294967295)) (.cse51 (* v_y_24 4294967296))) (let ((.cse52 (+ .cse50 .cse51))) (or (< c_~ARR_SIZE~0 (+ .cse50 .cse51 1)) (< 32767 .cse52) (< .cse52 0) (= (let ((.cse55 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869184 v_y_24) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_24)) (* .cse52 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse53 (store (select .cse55 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (- 17179869184) (* v_z_24 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) (* .cse52 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse54 (select (store .cse55 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse53) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse53 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse54 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse54 .cse7) (select .cse53 .cse8) (select .cse54 .cse6) (select .cse53 .cse4))))) 0)))))))) (forall ((v_z_24 Int)) (let ((.cse67 (+ .cse12 v_z_24))) (or (forall ((v_y_24 Int)) (let ((.cse56 (* v_z_24 4294967295)) (.cse57 (* v_y_24 4294967296))) (let ((.cse58 (+ .cse56 .cse57))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869184 v_y_24) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_24)) (* .cse58 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse62 (select .cse61 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse63 (* v_z_24 4)) (.cse64 (* .cse58 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse56 .cse57 1)) (< 32767 .cse58) (< .cse58 0) (= (let ((.cse59 (store .cse62 (+ (- 17179869184) .cse63 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse64))) (let ((.cse60 (select (store .cse61 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse59) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse59 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse60 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse60 .cse7) (select .cse59 .cse8) (select .cse60 .cse6) (select .cse59 .cse4)))) 0) (= (let ((.cse65 (store .cse62 (+ .cse63 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) .cse64))) (let ((.cse66 (select (store .cse61 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse65) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse65 .cse8) (select .cse66 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse65 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse66 .cse6) (select .cse66 .cse7) (select .cse65 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0))))))) (< v_z_24 0) (< 4294967295 .cse67) (< .cse67 2147483648)))) (forall ((v_z_27 Int)) (or (< v_z_27 0) (forall ((v_y_27 Int)) (let ((.cse68 (* v_y_27 4294967296)) (.cse69 (* v_z_27 4294967295))) (let ((.cse76 (+ .cse68 .cse69))) (let ((.cse72 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_27) (* 17179869184 v_y_27)) (* .cse76 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse73 (select .cse72 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse74 (* v_z_27 4)) (.cse75 (* .cse76 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse68 .cse69 1)) (= (let ((.cse70 (store .cse73 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 .cse74) .cse75))) (let ((.cse71 (select (store .cse72 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse70) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse70 .cse4) (select .cse71 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse70 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse71 .cse6) (select .cse71 .cse7) (select .cse70 .cse8)))) 0) (< .cse76 0) (= (let ((.cse77 (store .cse73 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 .cse74) .cse75))) (let ((.cse78 (select (store .cse72 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse77) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse77 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse77 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse78 .cse6) (select .cse78 .cse7) (select .cse77 .cse8) (select .cse78 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))) 0) (< 32767 .cse76))))))) (< 2147483647 (+ .cse12 v_z_27))))))) is different from true [2023-11-12 00:48:23,821 WARN L876 $PredicateComparison]: unable to prove that (or (< |c_ULTIMATE.start_main_~count~0#1| c_~ARR_SIZE~0) (let ((.cse12 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (let ((.cse4 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (.cse6 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (.cse7 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse8 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse10 (* .cse12 4)) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (and (forall ((v_z_27 Int)) (or (< v_z_27 0) (forall ((v_y_27 Int)) (let ((.cse0 (* v_y_27 4294967296)) (.cse1 (* v_z_27 4294967295))) (let ((.cse2 (+ .cse0 .cse1))) (or (< c_~ARR_SIZE~0 (+ .cse0 .cse1 1)) (< .cse2 0) (= (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_27) (* 17179869184 v_y_27)) (* .cse2 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse3 (store (select .cse9 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (* v_z_27 4)) (* .cse2 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse5 (select (store .cse9 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse3) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse3 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse3 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse5 .cse6) (select .cse5 .cse7) (select .cse3 .cse8) (select .cse5 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))) 0) (< 32767 .cse2))))) (< 2147483647 (+ .cse12 v_z_27)))) (forall ((v_z_24 Int)) (or (< 4294967295 v_z_24) (forall ((v_y_24 Int)) (let ((.cse13 (* v_z_24 4294967295)) (.cse14 (* v_y_24 4294967296))) (let ((.cse15 (+ .cse13 .cse14))) (or (< c_~ARR_SIZE~0 (+ .cse13 .cse14 1)) (< 32767 .cse15) (< .cse15 0) (= (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869184 v_y_24) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_24)) (* .cse15 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse16 (store (select .cse18 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (* v_z_24 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) (* .cse15 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse17 (select (store .cse18 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse16) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse16 .cse8) (select .cse17 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse16 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse17 .cse6) (select .cse17 .cse7) (select .cse16 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))) 0))))) (< (+ .cse12 v_z_24) 6442450944))) (forall ((v_z_24 Int)) (or (forall ((v_y_24 Int)) (let ((.cse19 (* v_z_24 4294967295)) (.cse20 (* v_y_24 4294967296))) (let ((.cse21 (+ .cse19 .cse20))) (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869184 v_y_24) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_24)) (* .cse21 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse26 (* v_z_24 4)) (.cse27 (* .cse21 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse19 .cse20 1)) (< 32767 .cse21) (< .cse21 0) (= (let ((.cse22 (store .cse25 (+ (- 17179869184) .cse26 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse27))) (let ((.cse23 (select (store .cse24 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse22) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse22 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse23 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse23 .cse7) (select .cse22 .cse8) (select .cse23 .cse6) (select .cse22 .cse4)))) 0) (= (let ((.cse28 (store .cse25 (+ .cse26 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) .cse27))) (let ((.cse29 (select (store .cse24 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse28) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse28 .cse8) (select .cse29 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse28 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse29 .cse6) (select .cse29 .cse7) (select .cse28 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0))))))) (< 4294967295 v_z_24) (< (+ .cse12 v_z_24) 6442450944))) (forall ((v_z_27 Int)) (let ((.cse36 (+ .cse12 v_z_27))) (or (forall ((v_y_27 Int)) (let ((.cse30 (* v_y_27 4294967296)) (.cse31 (* v_z_27 4294967295))) (let ((.cse35 (+ .cse30 .cse31))) (or (< c_~ARR_SIZE~0 (+ .cse30 .cse31 1)) (= (let ((.cse34 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_27) (* 17179869184 v_y_27)) (* .cse35 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse32 (store (select .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (* v_z_27 4)) (* .cse35 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse33 (select (store .cse34 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse32) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse32 .cse4) (select .cse33 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse32 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse33 .cse6) (select .cse33 .cse7) (select .cse32 .cse8))))) 0) (< .cse35 0) (< 32767 .cse35))))) (< .cse36 4294967296) (< 6442450943 .cse36) (< 4294967295 v_z_27)))) (forall ((v_z_27 Int)) (let ((.cse37 (+ .cse12 v_z_27))) (or (< .cse37 4294967296) (forall ((v_y_27 Int)) (let ((.cse38 (* v_y_27 4294967296)) (.cse39 (* v_z_27 4294967295))) (let ((.cse46 (+ .cse38 .cse39))) (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_27) (* 17179869184 v_y_27)) (* .cse46 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse43 (select .cse42 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse44 (* v_z_27 4)) (.cse45 (* .cse46 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse38 .cse39 1)) (= (let ((.cse40 (store .cse43 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 .cse44) .cse45))) (let ((.cse41 (select (store .cse42 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse40) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse40 .cse4) (select .cse41 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse40 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse41 .cse6) (select .cse41 .cse7) (select .cse40 .cse8)))) 0) (< .cse46 0) (= (let ((.cse47 (store .cse43 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 .cse44) .cse45))) (let ((.cse48 (select (store .cse42 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse47) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse47 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse47 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse48 .cse6) (select .cse48 .cse7) (select .cse47 .cse8) (select .cse48 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))) 0) (< 32767 .cse46))))))) (< 6442450943 .cse37) (< 4294967295 v_z_27)))) (forall ((v_z_24 Int)) (let ((.cse49 (+ .cse12 v_z_24))) (or (< v_z_24 0) (< 4294967295 .cse49) (< .cse49 2147483648) (forall ((v_y_24 Int)) (let ((.cse50 (* v_z_24 4294967295)) (.cse51 (* v_y_24 4294967296))) (let ((.cse52 (+ .cse50 .cse51))) (or (< c_~ARR_SIZE~0 (+ .cse50 .cse51 1)) (< 32767 .cse52) (< .cse52 0) (= (let ((.cse55 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869184 v_y_24) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_24)) (* .cse52 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse53 (store (select .cse55 |c_ULTIMATE.start_main_~#array2~0#1.base|) (+ (- 17179869184) (* v_z_24 4) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) (* .cse52 |c_ULTIMATE.start_main_~num~0#1|)))) (let ((.cse54 (select (store .cse55 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse53) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse53 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse54 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse54 .cse7) (select .cse53 .cse8) (select .cse54 .cse6) (select .cse53 .cse4))))) 0)))))))) (forall ((v_z_24 Int)) (let ((.cse67 (+ .cse12 v_z_24))) (or (forall ((v_y_24 Int)) (let ((.cse56 (* v_z_24 4294967295)) (.cse57 (* v_y_24 4294967296))) (let ((.cse58 (+ .cse56 .cse57))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ (* 17179869184 v_y_24) |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_24)) (* .cse58 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse62 (select .cse61 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse63 (* v_z_24 4)) (.cse64 (* .cse58 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse56 .cse57 1)) (< 32767 .cse58) (< .cse58 0) (= (let ((.cse59 (store .cse62 (+ (- 17179869184) .cse63 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10) .cse64))) (let ((.cse60 (select (store .cse61 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse59) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse59 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse60 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse60 .cse7) (select .cse59 .cse8) (select .cse60 .cse6) (select .cse59 .cse4)))) 0) (= (let ((.cse65 (store .cse62 (+ .cse63 |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 (- 34359738368)) .cse64))) (let ((.cse66 (select (store .cse61 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse65) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse65 .cse8) (select .cse66 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse65 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse66 .cse6) (select .cse66 .cse7) (select .cse65 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))) 0))))))) (< v_z_24 0) (< 4294967295 .cse67) (< .cse67 2147483648)))) (forall ((v_z_27 Int)) (or (< v_z_27 0) (forall ((v_y_27 Int)) (let ((.cse68 (* v_y_27 4294967296)) (.cse69 (* v_z_27 4294967295))) (let ((.cse76 (+ .cse68 .cse69))) (let ((.cse72 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| (* 17179869180 v_z_27) (* 17179869184 v_y_27)) (* .cse76 |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|))))) (let ((.cse73 (select .cse72 |c_ULTIMATE.start_main_~#array2~0#1.base|)) (.cse74 (* v_z_27 4)) (.cse75 (* .cse76 |c_ULTIMATE.start_main_~num~0#1|))) (or (< c_~ARR_SIZE~0 (+ .cse68 .cse69 1)) (= (let ((.cse70 (store .cse73 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 .cse74) .cse75))) (let ((.cse71 (select (store .cse72 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse70) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse70 .cse4) (select .cse71 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse70 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse71 .cse6) (select .cse71 .cse7) (select .cse70 .cse8)))) 0) (< .cse76 0) (= (let ((.cse77 (store .cse73 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10 .cse74) .cse75))) (let ((.cse78 (select (store .cse72 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse77) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse77 .cse4) |c_ULTIMATE.start_main_~sum~0#1| (select .cse77 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse78 .cse6) (select .cse78 .cse7) (select .cse77 .cse8) (select .cse78 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))) 0) (< 32767 .cse76))))))) (< 2147483647 (+ .cse12 v_z_27)))))))) is different from true