./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array11_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array11_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh --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 c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:24:48,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:24:49,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:24:49,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:24:49,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:24:49,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:24:49,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:24:49,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:24:49,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:24:49,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:24:49,058 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:24:49,059 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:24:49,059 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:24:49,060 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:24:49,060 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:24:49,061 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:24:49,061 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:24:49,062 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:24:49,062 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:24:49,063 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:24:49,063 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:24:49,064 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:24:49,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:24:49,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:24:49,065 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:24:49,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:24:49,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:24:49,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:24:49,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:24:49,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:24:49,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:24:49,067 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:24:49,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:24:49,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:24:49,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:24:49,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:24:49,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:24:49,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:24:49,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:24:49,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:24:49,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:24:49,069 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:24:49,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:24:49,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:24:49,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:24:49,070 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:24:49,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:24:49,070 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_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb [2023-12-02 19:24:49,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:24:49,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:24:49,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:24:49,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:24:49,308 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:24:49,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/array-patterns/array11_pattern.c [2023-12-02 19:24:52,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:24:52,214 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:24:52,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/sv-benchmarks/c/array-patterns/array11_pattern.c [2023-12-02 19:24:52,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/data/66a529038/104a7913095e4c8a9dc80aad902ce228/FLAGd5ab0b9a0 [2023-12-02 19:24:52,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/data/66a529038/104a7913095e4c8a9dc80aad902ce228 [2023-12-02 19:24:52,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:24:52,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:24:52,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:24:52,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:24:52,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:24:52,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a42e091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52, skipping insertion in model container [2023-12-02 19:24:52,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:24:52,401 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_0a246c39-b7bf-427a-b15b-ca798c518ca7/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2023-12-02 19:24:52,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:24:52,436 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:24:52,449 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_0a246c39-b7bf-427a-b15b-ca798c518ca7/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2023-12-02 19:24:52,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:24:52,476 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:24:52,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52 WrapperNode [2023-12-02 19:24:52,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:24:52,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:24:52,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:24:52,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:24:52,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,519 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-12-02 19:24:52,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:24:52,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:24:52,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:24:52,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:24:52,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:24:52,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:24:52,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:24:52,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:24:52,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (1/1) ... [2023-12-02 19:24:52,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:24:52,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:24:52,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:24:52,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:24:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:24:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:24:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:24:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:24:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:24:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:24:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:24:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:24:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:24:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:24:52,689 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:24:52,691 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:24:52,966 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:24:53,011 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:24:53,011 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 19:24:53,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:53 BoogieIcfgContainer [2023-12-02 19:24:53,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:24:53,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:24:53,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:24:53,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:24:53,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:24:52" (1/3) ... [2023-12-02 19:24:53,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4594b9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:53, skipping insertion in model container [2023-12-02 19:24:53,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:24:52" (2/3) ... [2023-12-02 19:24:53,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4594b9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:24:53, skipping insertion in model container [2023-12-02 19:24:53,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:24:53" (3/3) ... [2023-12-02 19:24:53,023 INFO L112 eAbstractionObserver]: Analyzing ICFG array11_pattern.c [2023-12-02 19:24:53,039 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:24:53,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:24:53,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:24:53,087 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;@6c4d6b95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:24:53,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:24:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:24:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 19:24:53,098 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:24:53,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:24:53,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:24:53,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:24:53,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1638619159, now seen corresponding path program 1 times [2023-12-02 19:24:53,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:24:53,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792872114] [2023-12-02 19:24:53,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:53,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:24:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:24:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:24:53,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:24:53,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792872114] [2023-12-02 19:24:53,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792872114] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:24:53,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:24:53,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:24:53,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257612782] [2023-12-02 19:24:53,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:24:53,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:24:53,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:24:53,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:24:53,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:24:53,325 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 19:24:53,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:24:53,362 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2023-12-02 19:24:53,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:24:53,365 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-12-02 19:24:53,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:24:53,371 INFO L225 Difference]: With dead ends: 24 [2023-12-02 19:24:53,371 INFO L226 Difference]: Without dead ends: 15 [2023-12-02 19:24:53,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:24:53,377 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:24:53,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:24:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-12-02 19:24:53,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-12-02 19:24:53,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:24:53,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2023-12-02 19:24:53,411 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2023-12-02 19:24:53,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:24:53,413 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2023-12-02 19:24:53,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 19:24:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-02 19:24:53,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 19:24:53,414 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:24:53,414 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:24:53,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:24:53,415 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:24:53,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:24:53,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1148568094, now seen corresponding path program 1 times [2023-12-02 19:24:53,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:24:53,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404759949] [2023-12-02 19:24:53,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:53,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:24:53,446 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:24:53,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738341715] [2023-12-02 19:24:53,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:53,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:24:53,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:24:53,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:24:53,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:24:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:24:53,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 19:24:53,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:24:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 19:24:53,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:24:53,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:24:53,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404759949] [2023-12-02 19:24:53,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 19:24:53,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738341715] [2023-12-02 19:24:53,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738341715] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:24:53,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:24:53,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:24:53,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548803896] [2023-12-02 19:24:53,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:24:53,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:24:53,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:24:53,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:24:53,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:24:53,600 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:24:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:24:53,635 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2023-12-02 19:24:53,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:24:53,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2023-12-02 19:24:53,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:24:53,637 INFO L225 Difference]: With dead ends: 19 [2023-12-02 19:24:53,637 INFO L226 Difference]: Without dead ends: 16 [2023-12-02 19:24:53,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:24:53,639 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:24:53,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:24:53,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-12-02 19:24:53,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-12-02 19:24:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:24:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-12-02 19:24:53,646 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 16 [2023-12-02 19:24:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:24:53,646 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-12-02 19:24:53,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:24:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-02 19:24:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 19:24:53,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:24:53,648 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:24:53,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:24:53,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:24:53,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:24:53,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:24:53,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1246049377, now seen corresponding path program 1 times [2023-12-02 19:24:53,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:24:53,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725494284] [2023-12-02 19:24:53,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:53,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:24:53,875 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:24:53,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166070000] [2023-12-02 19:24:53,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:53,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:24:53,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:24:53,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:24:53,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 19:24:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:24:53,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:24:53,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:24:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:24:54,008 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:24:54,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:24:54,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725494284] [2023-12-02 19:24:54,009 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 19:24:54,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166070000] [2023-12-02 19:24:54,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166070000] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:24:54,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:24:54,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:24:54,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512504636] [2023-12-02 19:24:54,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:24:54,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:24:54,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:24:54,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:24:54,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:24:54,013 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:24:54,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:24:54,081 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2023-12-02 19:24:54,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:24:54,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2023-12-02 19:24:54,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:24:54,083 INFO L225 Difference]: With dead ends: 29 [2023-12-02 19:24:54,083 INFO L226 Difference]: Without dead ends: 17 [2023-12-02 19:24:54,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:24:54,084 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:24:54,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:24:54,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-12-02 19:24:54,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-12-02 19:24:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:24:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2023-12-02 19:24:54,089 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 17 [2023-12-02 19:24:54,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:24:54,089 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-12-02 19:24:54,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:24:54,090 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 19:24:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 19:24:54,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:24:54,091 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:24:54,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 19:24:54,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:24:54,292 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:24:54,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:24:54,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1748234507, now seen corresponding path program 1 times [2023-12-02 19:24:54,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:24:54,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634518058] [2023-12-02 19:24:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:54,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:24:54,342 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:24:54,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1357495955] [2023-12-02 19:24:54,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:24:54,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:24:54,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:24:54,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:24:54,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 19:24:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:24:54,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 19:24:54,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:24:54,522 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 10 treesize of output 8 [2023-12-02 19:24:54,592 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 27 treesize of output 15 [2023-12-02 19:24:55,092 INFO L349 Elim1Store]: treesize reduction 100, result has 13.0 percent of original size [2023-12-02 19:24:55,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 41 [2023-12-02 19:24:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:24:55,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:30:13,062 WARN L293 SmtUtils]: Spent 2.58m on a formula simplification that was a NOOP. DAG size: 205 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:30:20,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:30:20,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634518058] [2023-12-02 19:30:20,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 19:30:20,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357495955] [2023-12-02 19:30:20,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357495955] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 19:30:20,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1315776320] [2023-12-02 19:30:20,583 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2023-12-02 19:30:20,583 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:30:20,586 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:30:20,590 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:30:20,590 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:30:21,337 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-12-02 19:30:21,338 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:30:27,376 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '393#(and (<= |ULTIMATE.start_main_~index~0#1| 32766) (= |ULTIMATE.start_main_~temp~0#1| 0) (<= 1 |#StackHeapBarrier|) (not (= (* 2 ~ARR_SIZE~0) (+ 2 |ULTIMATE.start_main_~sum~0#1|))) (= |ULTIMATE.start_main_~#array2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~index~0#1|) (<= ~ARR_SIZE~0 |ULTIMATE.start_main_~count~0#1|) (<= 2 |ULTIMATE.start_main_~#array1~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (not (= |ULTIMATE.start_main_~sum~0#1| 0)) (<= 2 |ULTIMATE.start_main_~#array2~0#1.base|) (= (+ |ULTIMATE.start_main_~num~0#1| 1) 0) (= |ULTIMATE.start_main_~#array1~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0) (<= ~ARR_SIZE~0 32767) (<= 1 ~ARR_SIZE~0))' at error location [2023-12-02 19:30:27,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 19:30:27,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 19:30:27,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2023-12-02 19:30:27,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068800246] [2023-12-02 19:30:27,376 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 19:30:27,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 19:30:27,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:30:27,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 19:30:27,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=830, Unknown=9, NotChecked=0, Total=992 [2023-12-02 19:30:27,378 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:30:29,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:30:29,282 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2023-12-02 19:30:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 19:30:29,283 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-12-02 19:30:29,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:30:29,284 INFO L225 Difference]: With dead ends: 37 [2023-12-02 19:30:29,284 INFO L226 Difference]: Without dead ends: 34 [2023-12-02 19:30:29,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 193.7s TimeCoverageRelationStatistics Valid=219, Invalid=1104, Unknown=9, NotChecked=0, Total=1332 [2023-12-02 19:30:29,286 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 40 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:30:29,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 75 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 19:30:29,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-12-02 19:30:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2023-12-02 19:30:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 19:30:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-12-02 19:30:29,295 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 18 [2023-12-02 19:30:29,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:30:29,295 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-12-02 19:30:29,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:30:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-12-02 19:30:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 19:30:29,296 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:30:29,296 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:30:29,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-02 19:30:29,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:30:29,497 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:30:29,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:30:29,497 INFO L85 PathProgramCache]: Analyzing trace with hash 81754399, now seen corresponding path program 2 times [2023-12-02 19:30:29,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:30:29,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92334419] [2023-12-02 19:30:29,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:30:29,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:30:29,520 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:30:29,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [7505264] [2023-12-02 19:30:29,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 19:30:29,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:30:29,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:30:29,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:30:29,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a246c39-b7bf-427a-b15b-ca798c518ca7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 19:30:29,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 19:30:29,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:30:29,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 19:30:29,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:30:29,627 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 10 treesize of output 8 [2023-12-02 19:30:29,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:30:29,935 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 406 treesize of output 369 [2023-12-02 19:30:32,085 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (mod |ULTIMATE.start_main_~index~0#1| 4294967296) (mod (* |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~index~0#1|) 4294967296)) [2023-12-02 19:30:34,136 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (mod |ULTIMATE.start_main_~index~0#1| 4294967296) (mod (* |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~index~0#1|) 4294967296)) [2023-12-02 19:30:34,136 INFO L224 Elim1Store]: Index analysis took 4188 ms [2023-12-02 19:30:34,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 631 [2023-12-02 19:30:34,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 310 [2023-12-02 19:30:49,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:30:51,828 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296) (select v_arrayElimArr_4 (* v_z_39 4))) [2023-12-02 19:30:53,830 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= v_z_39 (+ (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296) 4294967296)) [2023-12-02 19:30:53,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:30:53,836 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 19:30:53,838 INFO L224 Elim1Store]: Index analysis took 4015 ms [2023-12-02 19:30:53,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 147 [2023-12-02 19:31:02,987 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296) v_z_39) [2023-12-02 19:31:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:31:03,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 19:31:03,257 INFO L224 Elim1Store]: Index analysis took 2284 ms [2023-12-02 19:31:03,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 147 [2023-12-02 19:31:06,666 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296) v_z_39) [2023-12-02 19:31:08,788 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296) (select v_arrayElimArr_4 (* v_z_39 4))) [2023-12-02 19:31:08,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:31:10,854 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= v_z_39 (select v_arrayElimArr_3 (* v_z_39 4))) [2023-12-02 19:31:10,899 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 19:31:10,901 INFO L224 Elim1Store]: Index analysis took 6244 ms [2023-12-02 19:31:10,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 147 [2023-12-02 19:31:12,852 INFO L224 Elim1Store]: Index analysis took 287 ms [2023-12-02 19:31:12,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 52 treesize of output 36 [2023-12-02 19:31:13,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 52 treesize of output 36 [2023-12-02 19:31:13,966 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 19:31:14,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:31:14,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 70 treesize of output 79 [2023-12-02 19:31:14,162 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 19:31:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:31:14,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 70 treesize of output 79 [2023-12-02 19:31:14,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 19:31:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:31:14,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 70 treesize of output 79 [2023-12-02 19:31:20,576 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ 4294967296 (select v_arrayElimArr_4 (* v_z_39 4))) v_z_39) [2023-12-02 19:31:20,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 19:31:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 19:31:20,585 INFO L224 Elim1Store]: Index analysis took 2009 ms [2023-12-02 19:31:20,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 70 treesize of output 79 [2023-12-02 19:31:20,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 53 treesize of output 31 [2023-12-02 19:31:21,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 53 treesize of output 31 [2023-12-02 19:31:21,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 53 treesize of output 31 [2023-12-02 19:31:22,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 53 treesize of output 31 [2023-12-02 19:31:22,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 82 treesize of output 36 [2023-12-02 19:31:22,823 INFO L224 Elim1Store]: Index analysis took 507 ms [2023-12-02 19:31:22,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 175 [2023-12-02 19:31:28,304 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (+ (select v_arrayElimArr_9 (+ (- 17179869184) (* v_z_39 4))) 4294967296) (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296)) [2023-12-02 19:31:28,304 INFO L224 Elim1Store]: Index analysis took 2271 ms [2023-12-02 19:31:28,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 59 treesize of output 37 [2023-12-02 19:31:31,009 INFO L224 Elim1Store]: Index analysis took 205 ms [2023-12-02 19:31:31,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 12 [2023-12-02 19:31:35,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 7 [2023-12-02 19:31:36,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 7 [2023-12-02 19:32:18,360 WARN L293 SmtUtils]: Spent 17.53s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:32:43,584 WARN L854 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#array2~0#1.base| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (= |c_ULTIMATE.start_main_~count~0#1| 0) (= |c_ULTIMATE.start_main_~#array2~0#1.offset| 0) (= |c_ULTIMATE.start_main_~#array1~0#1.offset| 0) (= |c_ULTIMATE.start_main_~sum~0#1| 0) (let ((.cse21 (* c_~ARR_SIZE~0 4)) (.cse17 (<= 1 c_~ARR_SIZE~0)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base|))) (or (exists ((v_z_39 Int)) (and (<= 0 v_z_39) (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse2 (* v_z_39 4)) (.cse0 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse3 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296))) (and (= .cse0 (+ (select .cse1 .cse2) 4294967296)) (= .cse3 (+ 4294967296 (select .cse4 .cse2))) (<= 2147483648 .cse0) (<= 2147483648 .cse3)))) (exists ((v_y_39 Int)) (let ((.cse6 (* v_y_39 4294967296))) (let ((.cse5 (+ .cse6 v_z_39 1))) (and (<= .cse5 c_~ARR_SIZE~0) (not (= c_~ARR_SIZE~0 .cse5)) (<= 0 (+ .cse6 v_z_39)))))) (<= v_z_39 2147483647))) (exists ((v_z_39 Int)) (and (<= 0 v_z_39) (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse9 (* v_z_39 4)) (.cse7 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse8 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296))) (and (<= .cse7 2147483647) (= .cse8 (+ 4294967296 (select .cse4 .cse9))) (= (select .cse1 .cse9) .cse7) (<= 2147483648 .cse8)))) (exists ((v_y_39 Int)) (let ((.cse11 (* v_y_39 4294967296))) (let ((.cse10 (+ .cse11 v_z_39 1))) (and (<= .cse10 c_~ARR_SIZE~0) (not (= c_~ARR_SIZE~0 .cse10)) (<= 0 (+ .cse11 v_z_39)))))) (<= v_z_39 2147483647))) (exists ((v_z_39 Int)) (and (<= v_z_39 4294967295) (<= 2147483648 v_z_39) (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse12 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse13 (+ (- 17179869184) (* v_z_39 4))) (.cse14 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296))) (and (= .cse12 (+ (select .cse1 .cse13) 4294967296)) (<= 2147483648 .cse12) (= .cse14 (+ (select .cse4 .cse13) 4294967296)) (<= 2147483648 .cse14)))) (exists ((v_y_39 Int)) (let ((.cse16 (* v_y_39 4294967296))) (let ((.cse15 (+ .cse16 v_z_39 1))) (and (<= .cse15 c_~ARR_SIZE~0) (not (= c_~ARR_SIZE~0 .cse15)) (<= 0 (+ .cse16 v_z_39)))))))) (and .cse17 (or (exists ((v_y_39 Int)) (let ((.cse20 (* v_y_39 4294967296)) (.cse19 (+ (- 4) .cse21 (* (- 17179869184) v_y_39)))) (and (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse18 (mod (+ (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) (* 4294967295 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (and (= .cse18 (+ (select .cse1 .cse19) 4294967296)) (<= (mod (+ (* 4294967295 |ULTIMATE.start_main_~num~0#1|) (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1|)) 4294967296) 2147483647) (<= 2147483648 .cse18)))) (<= c_~ARR_SIZE~0 (+ .cse20 2147483648)) (<= (+ .cse20 1) c_~ARR_SIZE~0) (= (+ .cse20 1 (select .cse4 .cse19)) c_~ARR_SIZE~0)))) (exists ((v_y_39 Int)) (let ((.cse22 (* v_y_39 4294967296)) (.cse24 (+ (- 4) .cse21 (* (- 17179869184) v_y_39)))) (and (<= c_~ARR_SIZE~0 (+ .cse22 2147483648)) (<= (+ .cse22 1) c_~ARR_SIZE~0) (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse23 (mod (+ (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) (* 4294967295 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (and (<= .cse23 2147483647) (= (select .cse1 .cse24) .cse23) (<= (mod (+ (* 4294967295 |ULTIMATE.start_main_~num~0#1|) (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1|)) 4294967296) 2147483647)))) (= (+ .cse22 1 (select .cse4 .cse24)) c_~ARR_SIZE~0)))))) (exists ((v_z_39 Int)) (and (<= v_z_39 4294967295) (<= 2147483648 v_z_39) (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse25 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse27 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse26 (+ (- 17179869184) (* v_z_39 4)))) (and (= .cse25 (+ (select .cse1 .cse26) 4294967296)) (<= .cse27 2147483647) (<= 2147483648 .cse25) (= .cse27 (select .cse4 .cse26))))) (exists ((v_y_39 Int)) (let ((.cse29 (* v_y_39 4294967296))) (let ((.cse28 (+ .cse29 v_z_39 1))) (and (<= .cse28 c_~ARR_SIZE~0) (not (= c_~ARR_SIZE~0 .cse28)) (<= 0 (+ .cse29 v_z_39)))))))) (and .cse17 (exists ((|ULTIMATE.start_main_~num~0#1| Int) (v_y_39 Int)) (let ((.cse30 (mod (+ (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) (* 4294967295 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|)) 4294967296)) (.cse31 (+ (- 17179869188) .cse21 (* (- 17179869184) v_y_39))) (.cse32 (* v_y_39 4294967296))) (and (= .cse30 (+ (select .cse1 .cse31) 4294967296)) (<= 2147483648 (mod (+ (* 4294967295 |ULTIMATE.start_main_~num~0#1|) (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1|)) 4294967296)) (<= (+ 2147483649 .cse32) c_~ARR_SIZE~0) (<= 2147483648 .cse30) (<= c_~ARR_SIZE~0 (+ .cse32 4294967296)) (= c_~ARR_SIZE~0 (+ (select .cse4 .cse31) .cse32 4294967297)))))) (exists ((v_z_39 Int)) (and (<= v_z_39 4294967295) (<= 2147483648 v_z_39) (exists ((|ULTIMATE.start_main_~num~0#1| Int) (v_DerPreprocessor_6 Int)) (let ((.cse36 (* v_z_39 4))) (let ((.cse34 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse33 (+ (- 17179869184) .cse36)) (.cse37 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296))) (and (= (select .cse1 .cse33) .cse34) (<= .cse34 2147483647) (let ((.cse35 (+ .cse34 (- 4294967296)))) (= (store .cse1 .cse33 .cse35) (store (store .cse1 .cse36 v_DerPreprocessor_6) .cse33 .cse35))) (= .cse37 (+ (select .cse4 .cse33) 4294967296)) (<= 2147483648 .cse37))))) (exists ((v_y_39 Int)) (let ((.cse39 (* v_y_39 4294967296))) (let ((.cse38 (+ .cse39 v_z_39 1))) (and (<= .cse38 c_~ARR_SIZE~0) (not (= c_~ARR_SIZE~0 .cse38)) (<= 0 (+ .cse39 v_z_39)))))))) (exists ((v_z_39 Int)) (and (<= v_z_39 4294967295) (exists ((|ULTIMATE.start_main_~num~0#1| Int) (v_DerPreprocessor_6 Int)) (let ((.cse44 (* v_z_39 4))) (let ((.cse41 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse42 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse40 (+ (- 17179869184) .cse44))) (and (= (select .cse1 .cse40) .cse41) (<= .cse41 2147483647) (<= .cse42 2147483647) (let ((.cse43 (+ .cse41 (- 4294967296)))) (= (store .cse1 .cse40 .cse43) (store (store .cse1 .cse44 v_DerPreprocessor_6) .cse40 .cse43))) (= .cse42 (select .cse4 .cse40)))))) (<= 2147483648 v_z_39) (exists ((v_y_39 Int)) (let ((.cse46 (* v_y_39 4294967296))) (let ((.cse45 (+ .cse46 v_z_39 1))) (and (<= .cse45 c_~ARR_SIZE~0) (not (= c_~ARR_SIZE~0 .cse45)) (<= 0 (+ .cse46 v_z_39)))))))) (and (exists ((|ULTIMATE.start_main_~num~0#1| Int) (v_y_39 Int)) (let ((.cse47 (mod (+ (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) (* 4294967295 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|)) 4294967296)) (.cse48 (* v_y_39 4294967296)) (.cse49 (+ (- 4) .cse21 (* (- 17179869184) v_y_39)))) (and (<= 2147483648 (mod (+ (* 4294967295 |ULTIMATE.start_main_~num~0#1|) (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1|)) 4294967296)) (<= .cse47 2147483647) (<= c_~ARR_SIZE~0 (+ .cse48 2147483648)) (= (select .cse1 .cse49) .cse47) (<= (+ .cse48 1) c_~ARR_SIZE~0) (= (+ .cse48 1 (select .cse4 .cse49)) c_~ARR_SIZE~0)))) .cse17) (exists ((v_z_39 Int) (v_y_39 Int)) (let ((.cse54 (* v_y_39 4294967296))) (let ((.cse50 (+ .cse54 v_z_39 1))) (and (<= .cse50 c_~ARR_SIZE~0) (not (= c_~ARR_SIZE~0 .cse50)) (<= 0 v_z_39) (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse53 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse52 (* v_z_39 4)) (.cse51 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296))) (and (= .cse51 (+ (select .cse1 .cse52) 4294967296)) (<= .cse53 2147483647) (= .cse53 (select .cse4 .cse52)) (<= 2147483648 .cse51)))) (<= 0 (+ .cse54 v_z_39)) (<= v_z_39 2147483647))))) (and (exists ((|ULTIMATE.start_main_~num~0#1| Int) (v_y_39 Int)) (let ((.cse55 (mod (+ (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) (* 4294967295 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|)) 4294967296)) (.cse56 (+ (- 17179869188) .cse21 (* (- 17179869184) v_y_39))) (.cse57 (* v_y_39 4294967296))) (and (= .cse55 (+ (select .cse1 .cse56) 4294967296)) (<= (mod (+ (* 4294967295 |ULTIMATE.start_main_~num~0#1|) (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1|)) 4294967296) 2147483647) (<= (+ 2147483649 .cse57) c_~ARR_SIZE~0) (<= 2147483648 .cse55) (<= c_~ARR_SIZE~0 (+ .cse57 4294967296)) (= c_~ARR_SIZE~0 (+ (select .cse4 .cse56) .cse57 4294967297))))) .cse17) (and .cse17 (exists ((|ULTIMATE.start_main_~num~0#1| Int) (v_y_39 Int) (v_DerPreprocessor_6 Int)) (let ((.cse61 (* (- 17179869184) v_y_39))) (let ((.cse60 (* v_y_39 4294967296)) (.cse59 (+ (- 17179869188) .cse21 .cse61)) (.cse58 (mod (+ (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) (* 4294967295 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (and (<= 2147483648 (mod (+ (* 4294967295 |ULTIMATE.start_main_~num~0#1|) (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1|)) 4294967296)) (<= .cse58 2147483647) (= (select .cse1 .cse59) .cse58) (<= (+ 2147483649 .cse60) c_~ARR_SIZE~0) (<= c_~ARR_SIZE~0 (+ .cse60 4294967296)) (= c_~ARR_SIZE~0 (+ (select .cse4 .cse59) .cse60 4294967297)) (let ((.cse62 (+ .cse58 (- 4294967296)))) (= (store (store .cse1 (+ (- 4) .cse21 .cse61) v_DerPreprocessor_6) .cse59 .cse62) (store .cse1 .cse59 .cse62)))))))) (and (exists ((|ULTIMATE.start_main_~num~0#1| Int) (v_y_39 Int) (v_DerPreprocessor_6 Int)) (let ((.cse66 (* (- 17179869184) v_y_39))) (let ((.cse65 (* v_y_39 4294967296)) (.cse64 (+ (- 17179869188) .cse21 .cse66)) (.cse63 (mod (+ (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) (* 4294967295 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|)) 4294967296))) (and (<= .cse63 2147483647) (= (select .cse1 .cse64) .cse63) (<= (mod (+ (* 4294967295 |ULTIMATE.start_main_~num~0#1|) (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1|)) 4294967296) 2147483647) (<= (+ 2147483649 .cse65) c_~ARR_SIZE~0) (<= c_~ARR_SIZE~0 (+ .cse65 4294967296)) (= c_~ARR_SIZE~0 (+ (select .cse4 .cse64) .cse65 4294967297)) (let ((.cse67 (+ .cse63 (- 4294967296)))) (= (store (store .cse1 (+ (- 4) .cse21 .cse66) v_DerPreprocessor_6) .cse64 .cse67) (store .cse1 .cse64 .cse67))))))) .cse17) (and (exists ((|ULTIMATE.start_main_~num~0#1| Int) (v_y_39 Int)) (let ((.cse68 (mod (+ (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) (* 4294967295 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|)) 4294967296)) (.cse70 (* v_y_39 4294967296)) (.cse69 (+ (- 4) .cse21 (* (- 17179869184) v_y_39)))) (and (= .cse68 (+ (select .cse1 .cse69) 4294967296)) (<= 2147483648 (mod (+ (* 4294967295 |ULTIMATE.start_main_~num~0#1|) (* c_~ARR_SIZE~0 |ULTIMATE.start_main_~num~0#1|)) 4294967296)) (<= c_~ARR_SIZE~0 (+ .cse70 2147483648)) (<= (+ .cse70 1) c_~ARR_SIZE~0) (<= 2147483648 .cse68) (= (+ .cse70 1 (select .cse4 .cse69)) c_~ARR_SIZE~0)))) .cse17) (exists ((v_z_39 Int) (v_y_39 Int)) (let ((.cse75 (* v_y_39 4294967296))) (let ((.cse71 (+ .cse75 v_z_39 1))) (and (<= .cse71 c_~ARR_SIZE~0) (not (= c_~ARR_SIZE~0 .cse71)) (<= 0 v_z_39) (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse72 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1| |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse74 (mod (* v_z_39 |ULTIMATE.start_main_~num~0#1|) 4294967296)) (.cse73 (* v_z_39 4))) (and (<= .cse72 2147483647) (= (select .cse1 .cse73) .cse72) (<= .cse74 2147483647) (= .cse74 (select .cse4 .cse73))))) (<= 0 (+ .cse75 v_z_39)) (<= v_z_39 2147483647)))))))) is different from false [2023-12-02 19:32:44,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 1640 treesize of output 1556