./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifcomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire --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 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:12,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:12,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:15:12,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:12,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:12,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:12,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:12,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:12,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:12,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:12,363 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:12,364 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:12,365 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:12,366 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:12,367 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:12,367 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:12,368 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:12,368 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:12,369 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:12,369 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:12,370 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:12,371 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:12,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:12,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:12,373 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:12,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:12,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:12,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:12,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:12,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:12,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:12,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:12,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:12,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:12,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:12,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:12,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:12,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:12,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:12,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:12,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:12,381 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:12,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:12,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:12,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:12,383 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:12,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:12,383 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_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 [2023-11-23 21:15:12,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:12,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:12,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:12,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:12,771 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:12,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/array-fpi/ifcomp.c [2023-11-23 21:15:15,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:16,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:16,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/sv-benchmarks/c/array-fpi/ifcomp.c [2023-11-23 21:15:16,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/data/74270599e/6d1cc40e95c145c587c1ccce08f783fa/FLAGd5ba64d50 [2023-11-23 21:15:16,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/data/74270599e/6d1cc40e95c145c587c1ccce08f783fa [2023-11-23 21:15:16,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:16,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:16,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:16,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:16,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:16,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e02fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16, skipping insertion in model container [2023-11-23 21:15:16,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:16,408 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_683c234f-0378-4bcc-9754-c6983c36eefd/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2023-11-23 21:15:16,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:16,466 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:16,482 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_683c234f-0378-4bcc-9754-c6983c36eefd/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2023-11-23 21:15:16,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:16,533 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:16,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16 WrapperNode [2023-11-23 21:15:16,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:16,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:16,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:16,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:16,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,601 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2023-11-23 21:15:16,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:16,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:16,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:16,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:16,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,623 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:16,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:16,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:16,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:16,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (1/1) ... [2023-11-23 21:15:16,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:16,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:16,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:16,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:15:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:15:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:15:16,814 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:16,817 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:17,086 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:17,233 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:17,234 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:15:17,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:17 BoogieIcfgContainer [2023-11-23 21:15:17,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:17,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:17,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:17,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:17,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:16" (1/3) ... [2023-11-23 21:15:17,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4e2fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:17, skipping insertion in model container [2023-11-23 21:15:17,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:16" (2/3) ... [2023-11-23 21:15:17,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4e2fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:17, skipping insertion in model container [2023-11-23 21:15:17,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:17" (3/3) ... [2023-11-23 21:15:17,247 INFO L112 eAbstractionObserver]: Analyzing ICFG ifcomp.c [2023-11-23 21:15:17,270 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:17,270 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:17,329 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:17,337 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;@59430d74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:17,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:15:17,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:17,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:17,354 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:17,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash -24508154, now seen corresponding path program 1 times [2023-11-23 21:15:17,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:17,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236334747] [2023-11-23 21:15:17,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:17,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:17,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:17,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236334747] [2023-11-23 21:15:17,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 21:15:17,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019629130] [2023-11-23 21:15:17,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:17,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:17,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:17,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:17,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:15:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:17,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:15:17,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:17,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:17,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019629130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:17,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:17,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:17,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533104908] [2023-11-23 21:15:17,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:17,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:17,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:17,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:17,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:17,838 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:17,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:17,902 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2023-11-23 21:15:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:17,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-23 21:15:17,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:17,914 INFO L225 Difference]: With dead ends: 22 [2023-11-23 21:15:17,914 INFO L226 Difference]: Without dead ends: 11 [2023-11-23 21:15:17,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:17,922 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:17,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:17,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-23 21:15:17,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-23 21:15:17,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-11-23 21:15:17,960 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 8 [2023-11-23 21:15:17,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:17,961 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-23 21:15:17,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-23 21:15:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 21:15:17,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:17,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:17,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:18,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:15:18,180 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:18,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1528728229, now seen corresponding path program 1 times [2023-11-23 21:15:18,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:18,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67854713] [2023-11-23 21:15:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:18,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:18,227 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:18,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796777022] [2023-11-23 21:15:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:18,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:18,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:18,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:15:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:18,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:15:18,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:15:18,347 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:18,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67854713] [2023-11-23 21:15:18,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:18,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796777022] [2023-11-23 21:15:18,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796777022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:18,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:18,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:15:18,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623369689] [2023-11-23 21:15:18,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:18,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:15:18,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:18,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:15:18,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:15:18,357 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:18,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:18,426 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2023-11-23 21:15:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:15:18,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-23 21:15:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:18,428 INFO L225 Difference]: With dead ends: 24 [2023-11-23 21:15:18,429 INFO L226 Difference]: Without dead ends: 18 [2023-11-23 21:15:18,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:15:18,432 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:18,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:15:18,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-11-23 21:15:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2023-11-23 21:15:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-11-23 21:15:18,444 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2023-11-23 21:15:18,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:18,444 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-23 21:15:18,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-23 21:15:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:15:18,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:18,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:18,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:18,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 21:15:18,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:18,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:18,653 INFO L85 PathProgramCache]: Analyzing trace with hash 6351550, now seen corresponding path program 1 times [2023-11-23 21:15:18,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:18,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728749414] [2023-11-23 21:15:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:18,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:18,701 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:18,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836347979] [2023-11-23 21:15:18,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:18,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:18,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:18,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:18,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:15:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:18,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 21:15:18,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:18,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 21:15:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:15:18,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:19,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:19,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-11-23 21:15:19,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:19,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-11-23 21:15:19,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:15:19,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:19,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728749414] [2023-11-23 21:15:19,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:19,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836347979] [2023-11-23 21:15:19,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836347979] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:19,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1957128484] [2023-11-23 21:15:19,241 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-11-23 21:15:19,241 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:19,245 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:19,250 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:19,251 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:20,407 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:20,592 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '234#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-11-23 21:15:20,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:20,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:20,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2023-11-23 21:15:20,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797969770] [2023-11-23 21:15:20,593 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:20,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:15:20,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:20,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:15:20,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:15:20,596 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:20,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:20,772 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2023-11-23 21:15:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:15:20,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-23 21:15:20,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:20,775 INFO L225 Difference]: With dead ends: 29 [2023-11-23 21:15:20,775 INFO L226 Difference]: Without dead ends: 27 [2023-11-23 21:15:20,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:15:20,777 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:20,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 24 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:15:20,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-23 21:15:20,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 16. [2023-11-23 21:15:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-23 21:15:20,784 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 11 [2023-11-23 21:15:20,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:20,784 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-23 21:15:20,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-23 21:15:20,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:15:20,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:20,786 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:20,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:20,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:20,986 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:20,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:20,987 INFO L85 PathProgramCache]: Analyzing trace with hash 192605285, now seen corresponding path program 2 times [2023-11-23 21:15:20,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:20,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770435291] [2023-11-23 21:15:20,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:20,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:21,070 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:21,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561195569] [2023-11-23 21:15:21,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 21:15:21,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:21,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:21,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:21,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:15:21,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-23 21:15:21,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:15:21,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:15:21,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:15:21,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:15:21,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:21,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770435291] [2023-11-23 21:15:21,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:21,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561195569] [2023-11-23 21:15:21,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561195569] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:21,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1883305885] [2023-11-23 21:15:21,287 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-11-23 21:15:21,287 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:21,288 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:21,288 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:21,288 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:22,180 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:22,381 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '381#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-11-23 21:15:22,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:22,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:22,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-23 21:15:22,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103167719] [2023-11-23 21:15:22,382 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:22,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:15:22,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:22,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:15:22,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:15:22,384 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:22,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:22,545 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2023-11-23 21:15:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:15:22,546 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 21:15:22,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:22,547 INFO L225 Difference]: With dead ends: 45 [2023-11-23 21:15:22,547 INFO L226 Difference]: Without dead ends: 26 [2023-11-23 21:15:22,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2023-11-23 21:15:22,549 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:22,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 19 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:15:22,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-23 21:15:22,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2023-11-23 21:15:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-23 21:15:22,555 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 12 [2023-11-23 21:15:22,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:22,555 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-23 21:15:22,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-23 21:15:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:15:22,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:22,557 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:22,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:22,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:22,778 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:22,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:22,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1450073990, now seen corresponding path program 3 times [2023-11-23 21:15:22,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:22,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137776496] [2023-11-23 21:15:22,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:22,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:22,854 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:22,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612751783] [2023-11-23 21:15:22,863 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 21:15:22,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:22,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:22,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:22,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:15:22,997 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 21:15:22,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:15:23,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 21:15:23,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:23,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 21:15:23,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-23 21:15:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:15:23,083 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:23,301 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:23,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:23,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-11-23 21:15:23,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:23,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-11-23 21:15:23,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 56 [2023-11-23 21:15:23,521 INFO L378 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 53 treesize of output 49 [2023-11-23 21:15:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 21:15:23,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:23,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137776496] [2023-11-23 21:15:23,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:23,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612751783] [2023-11-23 21:15:23,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612751783] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:23,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1527267713] [2023-11-23 21:15:23,550 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-11-23 21:15:23,551 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:23,551 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:23,551 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:23,552 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:24,335 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:24,688 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '574#(and (= |ULTIMATE.start_main_~i~0#1| 0) (exists ((|v_ULTIMATE.start_main_~i~0#1_128| Int)) (and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 |v_ULTIMATE.start_main_~i~0#1_128|) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (= |ULTIMATE.start_main_~b~0#1.offset| 0))) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-11-23 21:15:24,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:24,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:24,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2023-11-23 21:15:24,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513775373] [2023-11-23 21:15:24,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:24,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 21:15:24,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:24,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 21:15:24,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:15:24,692 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:25,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:25,018 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2023-11-23 21:15:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 21:15:25,018 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 21:15:25,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:25,019 INFO L225 Difference]: With dead ends: 43 [2023-11-23 21:15:25,019 INFO L226 Difference]: Without dead ends: 41 [2023-11-23 21:15:25,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:15:25,020 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 24 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:25,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 31 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:15:25,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-23 21:15:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 20. [2023-11-23 21:15:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-11-23 21:15:25,033 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 14 [2023-11-23 21:15:25,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:25,034 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-23 21:15:25,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-23 21:15:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:15:25,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:25,036 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:25,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:25,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:25,243 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:25,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:25,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1814332006, now seen corresponding path program 4 times [2023-11-23 21:15:25,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:25,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378275981] [2023-11-23 21:15:25,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:25,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:25,324 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:25,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755170888] [2023-11-23 21:15:25,333 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 21:15:25,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:25,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:25,335 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:25,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 21:15:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:25,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:15:25,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:15:25,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:15:25,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:25,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378275981] [2023-11-23 21:15:25,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:25,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755170888] [2023-11-23 21:15:25,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755170888] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:25,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [101367151] [2023-11-23 21:15:25,581 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-11-23 21:15:25,582 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:25,582 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:25,582 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:25,582 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:26,259 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:26,691 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '785#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (exists ((|v_ULTIMATE.start_main_~i~0#1_156| Int)) (and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~c~0#1.offset| 0) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (<= ~N~0 |v_ULTIMATE.start_main_~i~0#1_156|))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-11-23 21:15:26,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:26,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:26,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-11-23 21:15:26,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296908582] [2023-11-23 21:15:26,692 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:26,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 21:15:26,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:26,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 21:15:26,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2023-11-23 21:15:26,694 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:26,918 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2023-11-23 21:15:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:15:26,919 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-23 21:15:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:26,921 INFO L225 Difference]: With dead ends: 65 [2023-11-23 21:15:26,921 INFO L226 Difference]: Without dead ends: 50 [2023-11-23 21:15:26,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 9 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:15:26,923 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 33 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:26,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 30 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:15:26,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-23 21:15:26,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 33. [2023-11-23 21:15:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2023-11-23 21:15:26,935 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 16 [2023-11-23 21:15:26,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:26,936 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2023-11-23 21:15:26,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:26,936 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-23 21:15:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:15:26,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:26,937 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:26,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:27,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-23 21:15:27,151 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:27,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:27,152 INFO L85 PathProgramCache]: Analyzing trace with hash 378375519, now seen corresponding path program 1 times [2023-11-23 21:15:27,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:27,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489177337] [2023-11-23 21:15:27,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:27,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:27,213 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:27,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801134807] [2023-11-23 21:15:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:27,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:27,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:27,224 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:27,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:15:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:27,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-23 21:15:27,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:27,540 INFO L378 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 26 treesize of output 24 [2023-11-23 21:15:27,580 INFO L378 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 11 treesize of output 7 [2023-11-23 21:15:27,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-23 21:15:27,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-23 21:15:27,685 INFO L378 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 28 treesize of output 30 [2023-11-23 21:15:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:15:27,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:28,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 21:15:28,513 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0))) (and (or .cse0 (let ((.cse1 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (and (forall ((v_DerPreprocessor_7 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (store v_DerPreprocessor_7 (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod .cse1 4294967296) 8)) (let ((.cse2 (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_7) |c_ULTIMATE.start_main_~b~0#1.base|) (+ .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select v_DerPreprocessor_7 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse2))))) (+ |ULTIMATE.start_main_~c~0#1.offset| 8)) 1)) (not (= .cse1 0))))) (or (forall ((|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (not .cse0)))) is different from false [2023-11-23 21:15:29,144 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse4 (* .cse5 8))) (and (or (forall ((v_DerPreprocessor_10 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_10))) (store .cse0 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (not (= |c_ULTIMATE.start_main_~i~0#1| 0))) (or (forall ((v_DerPreprocessor_9 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_9))) (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse1 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= (let ((.cse3 (+ .cse4 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse2 .cse3 (select v_DerPreprocessor_9 .cse3))) v_DerPreprocessor_9)))) (< .cse5 2147483648)) (or (< 2147483647 .cse5) (forall ((v_DerPreprocessor_9 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= (select (select (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_9))) (store .cse6 |c_ULTIMATE.start_main_~c~0#1.base| (store (select .cse6 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= v_DerPreprocessor_9 (let ((.cse7 (+ .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse2 .cse7 (select v_DerPreprocessor_9 .cse7))))))))))) is different from false [2023-11-23 21:15:29,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:29,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-11-23 21:15:29,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:29,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-11-23 21:15:29,346 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-11-23 21:15:29,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 307 treesize of output 307 [2023-11-23 21:15:29,361 INFO L378 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 189 treesize of output 185 [2023-11-23 21:15:29,512 INFO L378 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 34 treesize of output 32 [2023-11-23 21:15:29,523 INFO L378 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 26 treesize of output 24 [2023-11-23 21:15:29,533 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:29,551 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:29,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 88 [2023-11-23 21:15:29,575 INFO L378 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 26 treesize of output 22 [2023-11-23 21:15:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 4 not checked. [2023-11-23 21:15:29,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:29,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489177337] [2023-11-23 21:15:29,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:29,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801134807] [2023-11-23 21:15:29,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801134807] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:29,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [616325437] [2023-11-23 21:15:29,627 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-11-23 21:15:29,627 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:29,628 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:29,628 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:29,628 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:30,270 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:30,748 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1070#(and (not (= (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_#t~mem17#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) ~N~0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8))) |ULTIMATE.start_main_#t~mem17#1|) (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368))) |ULTIMATE.start_main_#t~mem17#1|) (<= 2147483648 (mod |ULTIMATE.start_main_~i~0#1| 4294967296)))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-23 21:15:30,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:30,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:30,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2023-11-23 21:15:30,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007984284] [2023-11-23 21:15:30,749 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:30,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-23 21:15:30,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:30,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-23 21:15:30,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=507, Unknown=2, NotChecked=94, Total=702 [2023-11-23 21:15:30,751 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:31,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:31,382 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2023-11-23 21:15:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 21:15:31,384 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-23 21:15:31,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:31,385 INFO L225 Difference]: With dead ends: 45 [2023-11-23 21:15:31,385 INFO L226 Difference]: Without dead ends: 32 [2023-11-23 21:15:31,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 21 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=172, Invalid=704, Unknown=2, NotChecked=114, Total=992 [2023-11-23 21:15:31,387 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 35 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:31,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 31 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 156 Invalid, 0 Unknown, 60 Unchecked, 0.4s Time] [2023-11-23 21:15:31,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-23 21:15:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2023-11-23 21:15:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2023-11-23 21:15:31,400 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 17 [2023-11-23 21:15:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:31,400 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-11-23 21:15:31,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-23 21:15:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:15:31,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:31,402 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:31,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:31,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-23 21:15:31,610 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:31,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:31,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1060252827, now seen corresponding path program 5 times [2023-11-23 21:15:31,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:31,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758092313] [2023-11-23 21:15:31,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:31,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:31,650 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:31,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [347936437] [2023-11-23 21:15:31,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 21:15:31,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:31,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:31,657 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:31,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 21:15:32,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-23 21:15:32,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:15:32,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:15:32,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 21:15:32,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 21:15:32,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:32,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758092313] [2023-11-23 21:15:32,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:32,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347936437] [2023-11-23 21:15:32,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347936437] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:32,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [611533822] [2023-11-23 21:15:32,274 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-11-23 21:15:32,275 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:32,275 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:32,275 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:32,276 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:32,745 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:32,937 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1320#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-11-23 21:15:32,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:32,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:32,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2023-11-23 21:15:32,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226277118] [2023-11-23 21:15:32,938 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:32,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 21:15:32,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:32,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 21:15:32,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:15:32,940 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:33,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:33,244 INFO L93 Difference]: Finished difference Result 89 states and 102 transitions. [2023-11-23 21:15:33,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:15:33,245 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-23 21:15:33,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:33,246 INFO L225 Difference]: With dead ends: 89 [2023-11-23 21:15:33,246 INFO L226 Difference]: Without dead ends: 69 [2023-11-23 21:15:33,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2023-11-23 21:15:33,248 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 108 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:33,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 50 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:15:33,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-23 21:15:33,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 40. [2023-11-23 21:15:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:33,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-11-23 21:15:33,261 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 18 [2023-11-23 21:15:33,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:33,262 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-23 21:15:33,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:33,262 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-23 21:15:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 21:15:33,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:33,263 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:33,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-23 21:15:33,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:33,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:33,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:33,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1460558912, now seen corresponding path program 2 times [2023-11-23 21:15:33,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:33,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316198873] [2023-11-23 21:15:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:33,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:33,514 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:33,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289542959] [2023-11-23 21:15:33,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 21:15:33,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:33,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:33,518 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:33,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 21:15:33,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-23 21:15:33,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:15:33,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:15:33,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 21:15:34,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 21:15:34,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:34,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316198873] [2023-11-23 21:15:34,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:34,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289542959] [2023-11-23 21:15:34,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289542959] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:34,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2007518518] [2023-11-23 21:15:34,092 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-11-23 21:15:34,092 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:34,093 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:34,093 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:34,093 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:34,688 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:34,988 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1659#(and (not (= (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_#t~mem17#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) ~N~0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8))) |ULTIMATE.start_main_#t~mem17#1|) (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368))) |ULTIMATE.start_main_#t~mem17#1|) (<= 2147483648 (mod |ULTIMATE.start_main_~i~0#1| 4294967296)))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-23 21:15:34,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:34,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:34,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-11-23 21:15:34,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732635636] [2023-11-23 21:15:34,988 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:34,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 21:15:34,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:34,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 21:15:34,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2023-11-23 21:15:34,990 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:35,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:35,254 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2023-11-23 21:15:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 21:15:35,255 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-23 21:15:35,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:35,255 INFO L225 Difference]: With dead ends: 60 [2023-11-23 21:15:35,255 INFO L226 Difference]: Without dead ends: 53 [2023-11-23 21:15:35,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 32 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:15:35,257 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 85 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:35,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 33 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:15:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-23 21:15:35,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 38. [2023-11-23 21:15:35,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2023-11-23 21:15:35,269 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 19 [2023-11-23 21:15:35,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:35,269 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2023-11-23 21:15:35,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-23 21:15:35,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:15:35,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:35,270 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:35,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:35,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:35,471 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:35,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:35,471 INFO L85 PathProgramCache]: Analyzing trace with hash -967092730, now seen corresponding path program 6 times [2023-11-23 21:15:35,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:35,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012550163] [2023-11-23 21:15:35,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:35,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:35,530 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:35,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010350525] [2023-11-23 21:15:35,531 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 21:15:35,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:35,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:35,532 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:35,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 21:15:36,301 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 21:15:36,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:15:36,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-23 21:15:36,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:36,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 21:15:36,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-23 21:15:36,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-23 21:15:36,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-23 21:15:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 21:15:36,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:36,604 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:36,867 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:37,167 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:37,674 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:37,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-11-23 21:15:37,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:37,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-11-23 21:15:37,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 363 treesize of output 341 [2023-11-23 21:15:37,881 INFO L378 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 1807 treesize of output 1777 [2023-11-23 21:15:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 21:15:38,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:38,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012550163] [2023-11-23 21:15:38,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:38,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010350525] [2023-11-23 21:15:38,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010350525] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:38,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [563592191] [2023-11-23 21:15:38,002 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2023-11-23 21:15:38,003 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:38,003 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:38,003 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:38,003 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:38,340 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:38,520 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1964#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 ~N~0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem17#1| (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset|)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (not (= |ULTIMATE.start_main_#t~mem17#1| 0)))' at error location [2023-11-23 21:15:38,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:38,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:38,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2023-11-23 21:15:38,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007821300] [2023-11-23 21:15:38,521 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:38,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-23 21:15:38,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:38,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-23 21:15:38,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:15:38,522 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 16 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:40,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:40,029 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2023-11-23 21:15:40,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 21:15:40,030 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-23 21:15:40,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:40,031 INFO L225 Difference]: With dead ends: 97 [2023-11-23 21:15:40,032 INFO L226 Difference]: Without dead ends: 95 [2023-11-23 21:15:40,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2023-11-23 21:15:40,033 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 63 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:40,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 108 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 21:15:40,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-23 21:15:40,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 44. [2023-11-23 21:15:40,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2023-11-23 21:15:40,053 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 20 [2023-11-23 21:15:40,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:40,054 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2023-11-23 21:15:40,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-23 21:15:40,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:15:40,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:40,055 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:40,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-23 21:15:40,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 21:15:40,264 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:40,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:40,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1160135129, now seen corresponding path program 3 times [2023-11-23 21:15:40,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:40,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272127789] [2023-11-23 21:15:40,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:40,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:40,294 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:40,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1008670051] [2023-11-23 21:15:40,294 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 21:15:40,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:40,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:40,296 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:40,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 21:15:40,728 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 21:15:40,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:15:40,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-23 21:15:40,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:40,742 INFO L378 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 26 treesize of output 24 [2023-11-23 21:15:40,771 INFO L378 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 11 treesize of output 7 [2023-11-23 21:15:40,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-23 21:15:40,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-23 21:15:40,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-23 21:15:40,881 INFO L378 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 28 treesize of output 30 [2023-11-23 21:15:40,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:40,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 33 [2023-11-23 21:15:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:15:41,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:41,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 21:15:42,279 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_main_~i~0#1| 0))) (and (or .cse0 (let ((.cse2 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse7 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse11 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse14 (mod .cse7 4294967296)) (.cse13 (mod .cse2 4294967296))) (let ((.cse10 (< .cse13 2147483648)) (.cse9 (< .cse14 2147483648)) (.cse3 (* .cse13 8)) (.cse6 (* 8 .cse14)) (.cse8 (< 2147483647 .cse14)) (.cse1 (< 2147483647 .cse13)) (.cse5 (* .cse11 8))) (and (or (let ((.cse4 (+ .cse5 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse1 (and (not (= .cse2 0)) (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_prenex_55 Int) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (store (store v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse3) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) (select v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse5 (- 34359738368))))) (+ |ULTIMATE.start_main_~c~0#1.offset| .cse6) v_prenex_55) (+ |ULTIMATE.start_main_~c~0#1.offset| 8)) 1)))) (or (and (or (and (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_prenex_54 Int) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (store (store v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse3 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) (select v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse5 (- 34359738368))))) (+ |ULTIMATE.start_main_~c~0#1.offset| .cse6) v_prenex_54) (+ |ULTIMATE.start_main_~c~0#1.offset| 8)) 1)) (not (= .cse7 0))) .cse8) (or .cse9 (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_prenex_56 Int) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (store (store v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse3 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) (select v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse5 (- 34359738368))))) (+ |ULTIMATE.start_main_~c~0#1.offset| .cse6 (- 34359738368)) v_prenex_56) (+ |ULTIMATE.start_main_~c~0#1.offset| 8)) 1)))) .cse10))) (< .cse11 2147483648)) (or (let ((.cse12 (+ .cse5 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_prenex_53 Int) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (store (store v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse3 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12) (select v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse5)))) (+ |ULTIMATE.start_main_~c~0#1.offset| .cse6 (- 34359738368)) v_prenex_53) (+ |ULTIMATE.start_main_~c~0#1.offset| 8)) 1)) .cse10) (or (and (or .cse9 (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_DerPreprocessor_51 Int) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (store (store v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse3) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12) (select v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse5)))) (+ |ULTIMATE.start_main_~c~0#1.offset| .cse6 (- 34359738368)) v_DerPreprocessor_51) (+ |ULTIMATE.start_main_~c~0#1.offset| 8)) 1))) (or (forall ((v_DerPreprocessor_53 (Array Int Int)) (v_DerPreprocessor_49 Int) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (store (store v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse3) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_53) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12) (select v_DerPreprocessor_53 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse5)))) (+ |ULTIMATE.start_main_~c~0#1.offset| .cse6) v_DerPreprocessor_49) (+ |ULTIMATE.start_main_~c~0#1.offset| 8)) 1)) .cse8)) .cse1))) (< 2147483647 .cse11))))))) (or (forall ((|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0)) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (not .cse0)))) is different from false [2023-11-23 21:15:42,432 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:42,679 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:42,985 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:42,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 51 [2023-11-23 21:15:43,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:43,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 8 [2023-11-23 21:15:43,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 197 [2023-11-23 21:15:43,139 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 21:15:43,144 INFO L378 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 26 treesize of output 24 [2023-11-23 21:15:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 21:15:43,166 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:43,173 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 21:15:43,176 INFO L378 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 5 treesize of output 3 [2023-11-23 21:15:43,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2023-11-23 21:15:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 3 not checked. [2023-11-23 21:15:43,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272127789] [2023-11-23 21:15:43,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:15:43,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008670051] [2023-11-23 21:15:43,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008670051] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:43,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [991772095] [2023-11-23 21:15:43,207 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-11-23 21:15:43,207 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:15:43,207 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:15:43,207 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:15:43,208 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:15:43,685 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:15:44,165 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2344#(and (not (= (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_#t~mem17#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) ~N~0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8))) |ULTIMATE.start_main_#t~mem17#1|) (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~c~0#1.base|) (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368))) |ULTIMATE.start_main_#t~mem17#1|) (<= 2147483648 (mod |ULTIMATE.start_main_~i~0#1| 4294967296)))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-23 21:15:44,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:15:44,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:15:44,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 24 [2023-11-23 21:15:44,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901218395] [2023-11-23 21:15:44,165 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:44,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-23 21:15:44,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:44,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-23 21:15:44,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=699, Unknown=1, NotChecked=54, Total=870 [2023-11-23 21:15:44,167 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:51,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:51,130 INFO L93 Difference]: Finished difference Result 159 states and 180 transitions. [2023-11-23 21:15:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-23 21:15:51,130 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-23 21:15:51,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:51,132 INFO L225 Difference]: With dead ends: 159 [2023-11-23 21:15:51,132 INFO L226 Difference]: Without dead ends: 157 [2023-11-23 21:15:51,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 27 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=594, Invalid=3190, Unknown=2, NotChecked=120, Total=3906 [2023-11-23 21:15:51,135 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 251 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 128 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:51,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 129 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 292 Invalid, 0 Unknown, 128 Unchecked, 1.3s Time] [2023-11-23 21:15:51,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-23 21:15:51,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 61. [2023-11-23 21:15:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2023-11-23 21:15:51,174 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 20 [2023-11-23 21:15:51,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:51,174 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2023-11-23 21:15:51,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-23 21:15:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 21:15:51,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:51,176 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:51,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:51,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:51,389 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:51,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:51,389 INFO L85 PathProgramCache]: Analyzing trace with hash 21405470, now seen corresponding path program 4 times [2023-11-23 21:15:51,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:51,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360239906] [2023-11-23 21:15:51,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:51,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:51,425 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:51,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052240287] [2023-11-23 21:15:51,425 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-23 21:15:51,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:51,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:51,427 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:51,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683c234f-0378-4bcc-9754-c6983c36eefd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 21:15:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:51,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-23 21:15:51,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:51,922 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 21:15:51,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-11-23 21:15:51,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 21:15:51,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-23 21:15:52,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:52,004 INFO L378 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 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-23 21:15:52,075 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:52,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 42 [2023-11-23 21:15:52,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:52,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2023-11-23 21:15:52,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:52,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 57 [2023-11-23 21:15:52,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:52,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 64 [2023-11-23 21:15:52,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:52,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 76 [2023-11-23 21:15:52,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:52,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 88 [2023-11-23 21:15:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:53,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:53,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 21:15:54,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-23 21:15:57,356 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse7 (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (.cse6 (* (mod .cse9 4294967296) 8)) (.cse13 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse1 (* 8 (mod .cse13 4294967296))) (.cse2 (+ .cse6 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (forall ((|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse5) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8)) (.cse4 (select .cse5 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse7)))) (let ((.cse0 (store .cse5 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse6) (+ .cse3 .cse4)))) (store .cse0 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse1) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse0) |c_ULTIMATE.start_main_~b~0#1.base|) .cse2) .cse3 .cse4))))) (+ |ULTIMATE.start_main_~c~0#1.offset| 16)) 8)) (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (and (not (= .cse9 0)) (forall ((v_DerPreprocessor_77 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (let ((.cse11 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_DerPreprocessor_77) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8)) (.cse12 (select v_DerPreprocessor_77 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse7)))) (let ((.cse10 (store v_DerPreprocessor_77 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse6) (+ .cse11 .cse12)))) (store .cse10 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse1) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse2) .cse11 .cse12)))) (+ |ULTIMATE.start_main_~c~0#1.offset| 16)) 8)) (not (= .cse13 0)))))))) is different from false [2023-11-23 21:15:57,821 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse10 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse3 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse9 (* .cse10 8))) (and (or (and (or (not (= |c_ULTIMATE.start_main_~i~0#1| 0)) (forall ((v_DerPreprocessor_80 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_80))) (let ((.cse2 (store (select .cse1 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse2 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse0)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse3))))) 8))) (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse6 (store (select .cse5 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~c~0#1.base| .cse6) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse4 (select (select (store .cse5 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse6 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse4)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse3)))))) (not (= (let ((.cse8 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse7 .cse8 (select v_DerPreprocessor_81 .cse8))) v_DerPreprocessor_81))))) (< 2147483647 .cse10)) (or (forall ((v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse12 (store (select .cse11 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse13 (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse12 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse13)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse3) .cse13))))) (not (= v_DerPreprocessor_79 (let ((.cse14 (+ .cse9 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse7 .cse14 (select v_DerPreprocessor_79 .cse14))))))) (< .cse10 2147483648))))) is different from false [2023-11-23 21:15:58,590 INFO L378 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 13 treesize of output 1 [2023-11-23 21:15:58,618 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse17 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse45 (mod .cse17 4294967296)) (.cse42 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse30 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse44 (* .cse42 8)) (.cse43 (* .cse45 8))) (let ((.cse21 (< .cse45 2147483648)) (.cse12 (< 2147483647 .cse45)) (.cse11 (+ .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse0 (< 2147483647 .cse42)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (+ .cse44 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (+ .cse43 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse27 (< .cse42 2147483648)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse28 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse29 (* 8 .cse30))) (and (or (let ((.cse10 (+ (select .cse28 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse29)) (select .cse8 (+ (- 34359738368) .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse0 (and (or (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= 8 (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse3 (store (select .cse2 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse3 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse1)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))))) (not (= |c_ULTIMATE.start_main_~i~0#1| 0))) (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse7 (store (select .cse6 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse5 (select (select (store .cse6 |c_ULTIMATE.start_main_~c~0#1.base| .cse7) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse5 (select (select (store .cse6 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse7 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse5)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4)))))) (not (= v_DerPreprocessor_81 (store (store .cse8 .cse9 .cse10) .cse11 (select v_DerPreprocessor_81 .cse11)))))))) (or (let ((.cse13 (store .cse8 .cse26 .cse10))) (and (or .cse12 (and (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_81 (store .cse13 .cse11 (select v_DerPreprocessor_81 .cse11)))) (= 8 (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse16 (store (select .cse15 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| .cse16) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse16 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse14)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4)))))))) (or (not (= .cse17 0)) (forall ((v_DerPreprocessor_80 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_80))) (let ((.cse20 (store (select .cse19 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse20 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse18)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8))))) (or .cse21 (forall ((v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (store .cse13 .cse22 (select v_DerPreprocessor_79 .cse22)))) (= 8 (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse24 (store (select .cse23 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse25 (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| .cse24) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse24 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse25)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) .cse25)))))))))) .cse27))) (< .cse30 2147483648)) (or (let ((.cse38 (+ (select .cse8 (+ .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse28 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse29))))) (and (or (let ((.cse31 (store .cse8 .cse9 .cse38))) (and (or (forall ((v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (store .cse31 .cse22 (select v_DerPreprocessor_79 .cse22)))) (= 8 (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse33 (store (select .cse32 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse34 (select (select (store .cse32 |c_ULTIMATE.start_main_~c~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse32 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse33 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse34)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) .cse34))))))) .cse21) (or .cse12 (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse37 (store (select .cse36 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse35 (select (select (store .cse36 |c_ULTIMATE.start_main_~c~0#1.base| .cse37) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse35 (select (select (store .cse36 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse37 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse35)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4)))))) (not (= v_DerPreprocessor_81 (store .cse31 .cse11 (select v_DerPreprocessor_81 .cse11))))))))) .cse0) (or (forall ((v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse39 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse40 (store (select .cse39 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse41 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| .cse40) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse40 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse41)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) .cse41))))) (not (= v_DerPreprocessor_79 (store (store .cse8 .cse26 .cse38) .cse22 (select v_DerPreprocessor_79 .cse22)))))) .cse27))) (< 2147483647 .cse30))))))) is different from false [2023-11-23 21:16:00,633 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse17 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse45 (mod .cse17 4294967296)) (.cse42 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse30 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse44 (* .cse42 8)) (.cse43 (* .cse45 8))) (let ((.cse21 (< .cse45 2147483648)) (.cse12 (< 2147483647 .cse45)) (.cse11 (+ .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse0 (< 2147483647 .cse42)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (+ .cse44 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (+ .cse43 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse27 (< .cse42 2147483648)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse28 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse29 (* 8 .cse30))) (and (or (let ((.cse10 (+ (select .cse28 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse29)) (select .cse8 (+ (- 34359738368) .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse0 (and (or (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= 8 (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse3 (store (select .cse2 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse3 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse1)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))))) (not (= |c_ULTIMATE.start_main_~i~0#1| 0))) (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse7 (store (select .cse6 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse5 (select (select (store .cse6 |c_ULTIMATE.start_main_~c~0#1.base| .cse7) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse5 (select (select (store .cse6 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse7 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse5)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4)))))) (not (= v_DerPreprocessor_81 (store (store .cse8 .cse9 .cse10) .cse11 (select v_DerPreprocessor_81 .cse11)))))))) (or (let ((.cse13 (store .cse8 .cse26 .cse10))) (and (or .cse12 (and (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_81 (store .cse13 .cse11 (select v_DerPreprocessor_81 .cse11)))) (= 8 (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse16 (store (select .cse15 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| .cse16) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse14 (select (select (store .cse15 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse16 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse14)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4)))))))) (or (not (= .cse17 0)) (forall ((v_DerPreprocessor_80 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_80))) (let ((.cse20 (store (select .cse19 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse20 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse18)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4))))) 8))))) (or .cse21 (forall ((v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (store .cse13 .cse22 (select v_DerPreprocessor_79 .cse22)))) (= 8 (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse24 (store (select .cse23 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse25 (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| .cse24) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse23 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse24 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse25)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) .cse25)))))))))) .cse27))) (< .cse30 2147483648)) (or (let ((.cse38 (+ (select .cse8 (+ .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse28 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse29))))) (and (or (let ((.cse31 (store .cse8 .cse9 .cse38))) (and (or (forall ((v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (store .cse31 .cse22 (select v_DerPreprocessor_79 .cse22)))) (= 8 (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse33 (store (select .cse32 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse34 (select (select (store .cse32 |c_ULTIMATE.start_main_~c~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse32 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse33 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse34)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) .cse34))))))) .cse21) (or .cse12 (forall ((v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse37 (store (select .cse36 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse35 (select (select (store .cse36 |c_ULTIMATE.start_main_~c~0#1.base| .cse37) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse35 (select (select (store .cse36 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse37 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse35)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4)))))) (not (= v_DerPreprocessor_81 (store .cse31 .cse11 (select v_DerPreprocessor_81 .cse11))))))))) .cse0) (or (forall ((v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse39 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse40 (store (select .cse39 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse41 (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| .cse40) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse39 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse40 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse41)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse4) .cse41))))) (not (= v_DerPreprocessor_79 (store (store .cse8 .cse26 .cse38) .cse22 (select v_DerPreprocessor_79 .cse22)))))) .cse27))) (< 2147483647 .cse30))))))) is different from true [2023-11-23 21:16:04,610 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse82 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse84 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse83 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse80 (mod .cse83 4294967296)) (.cse81 (mod .cse84 4294967296)) (.cse7 (* .cse82 8))) (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse23 (not (= .cse84 0))) (.cse15 (not (= .cse83 0))) (.cse8 (+ .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse32 (< .cse82 2147483648)) (.cse33 (< 2147483647 .cse82)) (.cse22 (< 2147483647 .cse81)) (.cse21 (< 2147483647 .cse80)) (.cse1 (< .cse80 2147483648)) (.cse0 (< .cse81 2147483648)) (.cse6 (* .cse81 8)) (.cse35 (+ .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (* 8 .cse80))) (and (or (and (or .cse0 (and (or .cse1 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse3 (store (select .cse2 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse4 (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse3 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse4)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse4))))) (not (= v_DerPreprocessor_79 (let ((.cse10 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (let ((.cse5 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse5 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select .cse5 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))) .cse10 (select v_DerPreprocessor_79 .cse10)))))))) (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_80 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_80))) (let ((.cse13 (store (select .cse12 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse14 (select (select (store .cse12 |c_ULTIMATE.start_main_~c~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse12 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse13 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse14)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse14)))) 8)) .cse15) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_81 (let ((.cse17 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (let ((.cse16 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse16 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select .cse16 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))) .cse17 (select v_DerPreprocessor_81 .cse17))))) (= (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse20 (store (select .cse19 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse20 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse18)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8)))) .cse21))) (or .cse22 (and (or .cse23 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse26 (store (select .cse25 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse24 (select (select (store .cse25 |c_ULTIMATE.start_main_~c~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse24 (select (select (store .cse25 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse26 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse24)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8))) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= (let ((.cse28 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (let ((.cse27 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse27 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select .cse27 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))) .cse28 (select v_DerPreprocessor_81 .cse28))) v_DerPreprocessor_81)) (= (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse31 (store (select .cse30 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse29 (select (select (store .cse30 |c_ULTIMATE.start_main_~c~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse29 (select (select (store .cse30 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse31 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse29)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8)))))) .cse32) (or .cse33 (and (or (and (or .cse1 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (let ((.cse36 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (let ((.cse34 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse34 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35) (select .cse34 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7))))) .cse36 (select v_DerPreprocessor_79 .cse36))))) (= 8 (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse38 (store (select .cse37 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse39 (select (select (store .cse37 |c_ULTIMATE.start_main_~c~0#1.base| .cse38) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse37 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse38 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse39)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse39)))))))) (or (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse42 (store (select .cse41 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse40 (select (select (store .cse41 |c_ULTIMATE.start_main_~c~0#1.base| .cse42) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse40 (select (select (store .cse41 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse42 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse40)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8) (not (= v_DerPreprocessor_81 (let ((.cse44 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (let ((.cse43 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse43 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35) (select .cse43 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7))))) .cse44 (select v_DerPreprocessor_81 .cse44))))))) .cse21)) .cse22) (or .cse0 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (let ((.cse46 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (let ((.cse45 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse45 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35) (select .cse45 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7))))) .cse46 (select v_DerPreprocessor_79 .cse46))))) (= 8 (let ((.cse47 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse48 (store (select .cse47 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse49 (select (select (store .cse47 |c_ULTIMATE.start_main_~c~0#1.base| .cse48) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse47 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse48 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse49)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse49)))))))))) (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (and (or (and (or .cse22 (and (or (forall ((v_prenex_105 Int) (|ULTIMATE.start_main_~b~0#1.offset| Int) (v_prenex_104 (Array Int Int))) (= (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_104))) (let ((.cse52 (store (select .cse51 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_105 0))) (let ((.cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| .cse52) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse52 (+ v_prenex_105 8) .cse50)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8)) .cse23) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_83 (Array Int Int)) (v_prenex_107 Int) (v_prenex_106 (Array Int Int))) (or (not (= (let ((.cse53 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))))) .cse53 (select v_prenex_106 .cse53))) v_prenex_106)) (= (let ((.cse55 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_106))) (let ((.cse56 (store (select .cse55 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_107 0))) (let ((.cse54 (select (select (store .cse55 |c_ULTIMATE.start_main_~c~0#1.base| .cse56) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse54 (select (select (store .cse55 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse56 (+ v_prenex_107 8) .cse54)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8))))) (or .cse0 (and (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_80 (Array Int Int)) (v_prenex_110 Int)) (= (let ((.cse57 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_80))) (let ((.cse58 (store (select .cse57 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_110 0))) (let ((.cse59 (select (select (store .cse57 |c_ULTIMATE.start_main_~c~0#1.base| .cse58) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse57 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse58 (+ v_prenex_110 8) .cse59)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse59)))) 8)) .cse15) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_prenex_108 (Array Int Int)) (v_prenex_102 Int) (v_DerPreprocessor_83 (Array Int Int))) (or (= (let ((.cse60 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_108))) (let ((.cse61 (store (select .cse60 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_102 0))) (let ((.cse62 (select (select (store .cse60 |c_ULTIMATE.start_main_~c~0#1.base| .cse61) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse60 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse61 (+ v_prenex_102 8) .cse62)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse62)))) 8) (not (= (let ((.cse63 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))))) .cse63 (select v_prenex_108 .cse63))) v_prenex_108))))) .cse21) (or .cse1 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_prenex_109 (Array Int Int)) (v_prenex_103 Int) (v_DerPreprocessor_83 (Array Int Int))) (or (= (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_109))) (let ((.cse66 (store (select .cse65 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_103 0))) (let ((.cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~c~0#1.base| .cse66) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse66 (+ v_prenex_103 8) .cse64)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8) (not (= (let ((.cse67 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))))) .cse67 (select v_prenex_109 .cse67))) v_prenex_109)))))))) .cse32) (or .cse33 (and (or .cse22 (and (or (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (v_prenex_99 Int) (v_DerPreprocessor_83 (Array Int Int))) (or (= (let ((.cse68 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse69 (store (select .cse68 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_99 0))) (let ((.cse70 (select (select (store .cse68 |c_ULTIMATE.start_main_~c~0#1.base| .cse69) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse68 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse69 (+ v_prenex_99 8) .cse70)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse70)))) 8) (not (= v_DerPreprocessor_81 (let ((.cse71 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35))) .cse71 (select v_DerPreprocessor_81 .cse71))))))) .cse21) (or .cse1 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_prenex_101 Int) (v_DerPreprocessor_83 (Array Int Int)) (v_prenex_100 (Array Int Int))) (or (= (let ((.cse72 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_100))) (let ((.cse73 (store (select .cse72 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_101 0))) (let ((.cse74 (select (select (store .cse72 |c_ULTIMATE.start_main_~c~0#1.base| .cse73) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse72 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse73 (+ v_prenex_101 8) .cse74)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse74)))) 8) (not (= (let ((.cse75 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35))) .cse75 (select v_prenex_100 .cse75))) v_prenex_100))))))) (or .cse0 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_83 (Array Int Int)) (v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (let ((.cse76 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35))) .cse76 (select v_DerPreprocessor_79 .cse76))))) (= 8 (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse78 (store (select .cse77 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse79 (select (select (store .cse77 |c_ULTIMATE.start_main_~c~0#1.base| .cse78) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse77 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse78 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse79)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse79)))))))))))))))) is different from false [2023-11-23 21:16:06,637 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse82 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse84 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (.cse83 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse80 (mod .cse83 4294967296)) (.cse81 (mod .cse84 4294967296)) (.cse7 (* .cse82 8))) (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse23 (not (= .cse84 0))) (.cse15 (not (= .cse83 0))) (.cse8 (+ .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse32 (< .cse82 2147483648)) (.cse33 (< 2147483647 .cse82)) (.cse22 (< 2147483647 .cse81)) (.cse21 (< 2147483647 .cse80)) (.cse1 (< .cse80 2147483648)) (.cse0 (< .cse81 2147483648)) (.cse6 (* .cse81 8)) (.cse35 (+ .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (* 8 .cse80))) (and (or (and (or .cse0 (and (or .cse1 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= 8 (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse3 (store (select .cse2 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse4 (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse3 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse4)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse4))))) (not (= v_DerPreprocessor_79 (let ((.cse10 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (let ((.cse5 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse5 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select .cse5 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))) .cse10 (select v_DerPreprocessor_79 .cse10)))))))) (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_80 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (let ((.cse12 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_80))) (let ((.cse13 (store (select .cse12 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse14 (select (select (store .cse12 |c_ULTIMATE.start_main_~c~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse12 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse13 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse14)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse14)))) 8)) .cse15) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_81 (let ((.cse17 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (let ((.cse16 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse16 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select .cse16 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))) .cse17 (select v_DerPreprocessor_81 .cse17))))) (= (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse20 (store (select .cse19 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse18 (select (select (store .cse19 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse20 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse18)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8)))) .cse21))) (or .cse22 (and (or .cse23 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse26 (store (select .cse25 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse24 (select (select (store .cse25 |c_ULTIMATE.start_main_~c~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse24 (select (select (store .cse25 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse26 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse24)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8))) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= (let ((.cse28 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (let ((.cse27 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse27 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select .cse27 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8)))) .cse28 (select v_DerPreprocessor_81 .cse28))) v_DerPreprocessor_81)) (= (let ((.cse30 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse31 (store (select .cse30 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse29 (select (select (store .cse30 |c_ULTIMATE.start_main_~c~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse29 (select (select (store .cse30 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse31 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse29)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8)))))) .cse32) (or .cse33 (and (or (and (or .cse1 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (let ((.cse36 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (let ((.cse34 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse34 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35) (select .cse34 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7))))) .cse36 (select v_DerPreprocessor_79 .cse36))))) (= 8 (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse38 (store (select .cse37 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse39 (select (select (store .cse37 |c_ULTIMATE.start_main_~c~0#1.base| .cse38) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse37 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse38 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse39)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse39)))))))) (or (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (= (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse42 (store (select .cse41 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse40 (select (select (store .cse41 |c_ULTIMATE.start_main_~c~0#1.base| .cse42) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse40 (select (select (store .cse41 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse42 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse40)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8) (not (= v_DerPreprocessor_81 (let ((.cse44 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (let ((.cse43 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse43 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35) (select .cse43 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7))))) .cse44 (select v_DerPreprocessor_81 .cse44))))))) .cse21)) .cse22) (or .cse0 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (let ((.cse46 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (let ((.cse45 (store .cse9 |ULTIMATE.start_main_~b~0#1.offset| 1))) (store .cse45 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35) (select .cse45 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7))))) .cse46 (select v_DerPreprocessor_79 .cse46))))) (= 8 (let ((.cse47 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse48 (store (select .cse47 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse49 (select (select (store .cse47 |c_ULTIMATE.start_main_~c~0#1.base| .cse48) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse47 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse48 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse49)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse49)))))))))) (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (and (or (and (or .cse22 (and (or (forall ((v_prenex_105 Int) (|ULTIMATE.start_main_~b~0#1.offset| Int) (v_prenex_104 (Array Int Int))) (= (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_104))) (let ((.cse52 (store (select .cse51 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_105 0))) (let ((.cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| .cse52) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse52 (+ v_prenex_105 8) .cse50)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8)) .cse23) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_83 (Array Int Int)) (v_prenex_107 Int) (v_prenex_106 (Array Int Int))) (or (not (= (let ((.cse53 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))))) .cse53 (select v_prenex_106 .cse53))) v_prenex_106)) (= (let ((.cse55 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_106))) (let ((.cse56 (store (select .cse55 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_107 0))) (let ((.cse54 (select (select (store .cse55 |c_ULTIMATE.start_main_~c~0#1.base| .cse56) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse54 (select (select (store .cse55 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse56 (+ v_prenex_107 8) .cse54)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8))))) (or .cse0 (and (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_80 (Array Int Int)) (v_prenex_110 Int)) (= (let ((.cse57 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_80))) (let ((.cse58 (store (select .cse57 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_110 0))) (let ((.cse59 (select (select (store .cse57 |c_ULTIMATE.start_main_~c~0#1.base| .cse58) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse57 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse58 (+ v_prenex_110 8) .cse59)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse59)))) 8)) .cse15) (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_prenex_108 (Array Int Int)) (v_prenex_102 Int) (v_DerPreprocessor_83 (Array Int Int))) (or (= (let ((.cse60 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_108))) (let ((.cse61 (store (select .cse60 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_102 0))) (let ((.cse62 (select (select (store .cse60 |c_ULTIMATE.start_main_~c~0#1.base| .cse61) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse60 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse61 (+ v_prenex_102 8) .cse62)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse62)))) 8) (not (= (let ((.cse63 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))))) .cse63 (select v_prenex_108 .cse63))) v_prenex_108))))) .cse21) (or .cse1 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_prenex_109 (Array Int Int)) (v_prenex_103 Int) (v_DerPreprocessor_83 (Array Int Int))) (or (= (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_109))) (let ((.cse66 (store (select .cse65 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_103 0))) (let ((.cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~c~0#1.base| .cse66) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse64 (select (select (store .cse65 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse66 (+ v_prenex_103 8) .cse64)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)))))) 8) (not (= (let ((.cse67 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse8) (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))))) .cse67 (select v_prenex_109 .cse67))) v_prenex_109)))))))) .cse32) (or .cse33 (and (or .cse22 (and (or (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_81 (Array Int Int)) (v_prenex_99 Int) (v_DerPreprocessor_83 (Array Int Int))) (or (= (let ((.cse68 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_81))) (let ((.cse69 (store (select .cse68 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_99 0))) (let ((.cse70 (select (select (store .cse68 |c_ULTIMATE.start_main_~c~0#1.base| .cse69) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse68 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse69 (+ v_prenex_99 8) .cse70)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse70)))) 8) (not (= v_DerPreprocessor_81 (let ((.cse71 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35))) .cse71 (select v_DerPreprocessor_81 .cse71))))))) .cse21) (or .cse1 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_prenex_101 Int) (v_DerPreprocessor_83 (Array Int Int)) (v_prenex_100 (Array Int Int))) (or (= (let ((.cse72 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_prenex_100))) (let ((.cse73 (store (select .cse72 |c_ULTIMATE.start_main_~c~0#1.base|) v_prenex_101 0))) (let ((.cse74 (select (select (store .cse72 |c_ULTIMATE.start_main_~c~0#1.base| .cse73) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse72 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse73 (+ v_prenex_101 8) .cse74)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse74)))) 8) (not (= (let ((.cse75 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6) (+ (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35))) .cse75 (select v_prenex_100 .cse75))) v_prenex_100))))))) (or .cse0 (forall ((|ULTIMATE.start_main_~b~0#1.offset| Int) (v_DerPreprocessor_83 (Array Int Int)) (v_DerPreprocessor_79 (Array Int Int)) (|ULTIMATE.start_main_~c~0#1.offset| Int)) (or (not (= v_DerPreprocessor_79 (let ((.cse76 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse11 (- 34359738368)))) (store (store v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse6 (- 34359738368)) (+ (select v_DerPreprocessor_83 (+ |ULTIMATE.start_main_~b~0#1.offset| .cse7)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_83) |c_ULTIMATE.start_main_~a~0#1.base|) .cse35))) .cse76 (select v_DerPreprocessor_79 .cse76))))) (= 8 (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_79))) (let ((.cse78 (store (select .cse77 |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (let ((.cse79 (select (select (store .cse77 |c_ULTIMATE.start_main_~c~0#1.base| .cse78) |c_ULTIMATE.start_main_~b~0#1.base|) |ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse77 |c_ULTIMATE.start_main_~c~0#1.base| (store .cse78 (+ |ULTIMATE.start_main_~c~0#1.offset| 8) .cse79)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| 8)) .cse79)))))))))))))))) is different from true