./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-reverse_simple.i --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_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/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_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-reverse_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/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_9b93bedf-3df9-449d-b897-fbd9af5170e3/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 a7651578256dc791e0a036690d99e12094845a58f582fb99f9abee48c7c5dfba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:08:11,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:08:11,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:08:11,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:08:11,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:08:11,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:08:11,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:08:11,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:08:11,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:08:11,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:08:11,562 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:08:11,562 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:08:11,563 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:08:11,563 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:08:11,564 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:08:11,564 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:08:11,565 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:08:11,565 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:08:11,566 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:08:11,566 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:08:11,567 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:08:11,568 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:08:11,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:08:11,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:08:11,570 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:08:11,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:08:11,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:08:11,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:08:11,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:08:11,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:08:11,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:08:11,572 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:08:11,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:08:11,573 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:08:11,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:08:11,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:08:11,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:08:11,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:08:11,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:08:11,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:08:11,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:08:11,575 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:08:11,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:08:11,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:08:11,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:08:11,576 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:08:11,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:08:11,576 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_9b93bedf-3df9-449d-b897-fbd9af5170e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7651578256dc791e0a036690d99e12094845a58f582fb99f9abee48c7c5dfba [2023-12-02 18:08:11,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:08:11,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:08:11,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:08:11,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:08:11,830 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:08:11,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/forester-heap/sll-reverse_simple.i [2023-12-02 18:08:14,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:08:14,921 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:08:14,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/sv-benchmarks/c/forester-heap/sll-reverse_simple.i [2023-12-02 18:08:14,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/data/b34f7b2cd/2890b79a463c43aba2bcae283b418c2a/FLAG8d5b7181a [2023-12-02 18:08:14,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/data/b34f7b2cd/2890b79a463c43aba2bcae283b418c2a [2023-12-02 18:08:14,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:08:14,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:08:14,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:08:14,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:08:14,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:08:14,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:08:14" (1/1) ... [2023-12-02 18:08:14,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7689b6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:14, skipping insertion in model container [2023-12-02 18:08:14,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:08:14" (1/1) ... [2023-12-02 18:08:15,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:08:15,331 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_9b93bedf-3df9-449d-b897-fbd9af5170e3/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22251,22264] [2023-12-02 18:08:15,337 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_9b93bedf-3df9-449d-b897-fbd9af5170e3/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22336,22349] [2023-12-02 18:08:15,344 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_9b93bedf-3df9-449d-b897-fbd9af5170e3/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22829,22842] [2023-12-02 18:08:15,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:08:15,362 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:08:15,404 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_9b93bedf-3df9-449d-b897-fbd9af5170e3/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22251,22264] [2023-12-02 18:08:15,405 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_9b93bedf-3df9-449d-b897-fbd9af5170e3/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22336,22349] [2023-12-02 18:08:15,410 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_9b93bedf-3df9-449d-b897-fbd9af5170e3/sv-benchmarks/c/forester-heap/sll-reverse_simple.i[22829,22842] [2023-12-02 18:08:15,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:08:15,446 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:08:15,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15 WrapperNode [2023-12-02 18:08:15,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:08:15,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:08:15,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:08:15,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:08:15,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,491 INFO L138 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 139 [2023-12-02 18:08:15,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:08:15,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:08:15,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:08:15,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:08:15,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:08:15,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:08:15,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:08:15,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:08:15,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (1/1) ... [2023-12-02 18:08:15,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:08:15,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:08:15,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:08:15,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:08:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:08:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:08:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 18:08:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 18:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 18:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 18:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:08:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:08:15,714 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:08:15,717 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:08:15,946 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:08:16,048 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:08:16,049 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-12-02 18:08:16,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:16 BoogieIcfgContainer [2023-12-02 18:08:16,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:08:16,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:08:16,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:08:16,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:08:16,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:08:14" (1/3) ... [2023-12-02 18:08:16,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22453d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:08:16, skipping insertion in model container [2023-12-02 18:08:16,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:15" (2/3) ... [2023-12-02 18:08:16,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22453d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:08:16, skipping insertion in model container [2023-12-02 18:08:16,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:16" (3/3) ... [2023-12-02 18:08:16,060 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-reverse_simple.i [2023-12-02 18:08:16,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:08:16,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-12-02 18:08:16,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:08:16,139 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;@623e2295, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:08:16,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-02 18:08:16,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 24 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) [2023-12-02 18:08:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 18:08:16,147 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:16,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 18:08:16,148 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:16,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:16,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1043513562, now seen corresponding path program 1 times [2023-12-02 18:08:16,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:16,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444711124] [2023-12-02 18:08:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:16,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:16,331 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 18:08:16,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:16,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444711124] [2023-12-02 18:08:16,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444711124] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:08:16,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:08:16,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:08:16,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013933237] [2023-12-02 18:08:16,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:08:16,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:08:16,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:08:16,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:08:16,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:08:16,377 INFO L87 Difference]: Start difference. First operand has 25 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 24 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-12-02 18:08:16,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:08:16,494 INFO L93 Difference]: Finished difference Result 47 states and 75 transitions. [2023-12-02 18:08:16,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:08:16,497 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2023-12-02 18:08:16,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:08:16,507 INFO L225 Difference]: With dead ends: 47 [2023-12-02 18:08:16,507 INFO L226 Difference]: Without dead ends: 23 [2023-12-02 18:08:16,511 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 18:08:16,515 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:08:16,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:08:16,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-12-02 18:08:16,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-12-02 18:08:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 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) [2023-12-02 18:08:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-12-02 18:08:16,550 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 6 [2023-12-02 18:08:16,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:08:16,551 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-12-02 18:08:16,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-12-02 18:08:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-12-02 18:08:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 18:08:16,552 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:16,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:08:16,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:08:16,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:16,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:16,554 INFO L85 PathProgramCache]: Analyzing trace with hash -31129012, now seen corresponding path program 1 times [2023-12-02 18:08:16,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:16,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543971659] [2023-12-02 18:08:16,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:16,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:16,883 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 18:08:16,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:16,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543971659] [2023-12-02 18:08:16,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543971659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:08:16,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:08:16,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 18:08:16,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396547229] [2023-12-02 18:08:16,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:08:16,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:08:16,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:08:16,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:08:16,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:08:16,888 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2023-12-02 18:08:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:08:17,219 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2023-12-02 18:08:17,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:08:17,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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 [2023-12-02 18:08:17,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:08:17,221 INFO L225 Difference]: With dead ends: 52 [2023-12-02 18:08:17,221 INFO L226 Difference]: Without dead ends: 33 [2023-12-02 18:08:17,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 18:08:17,224 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:08:17,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 55 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 18:08:17,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-12-02 18:08:17,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2023-12-02 18:08:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.28) internal successors, (32), 27 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) [2023-12-02 18:08:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-12-02 18:08:17,232 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 8 [2023-12-02 18:08:17,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:08:17,233 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-12-02 18:08:17,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2023-12-02 18:08:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-12-02 18:08:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 18:08:17,234 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:17,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:08:17,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:08:17,235 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:17,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash -31130262, now seen corresponding path program 1 times [2023-12-02 18:08:17,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:17,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850600940] [2023-12-02 18:08:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:17,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:17,315 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 18:08:17,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:17,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850600940] [2023-12-02 18:08:17,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850600940] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:08:17,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:08:17,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:08:17,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698790142] [2023-12-02 18:08:17,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:08:17,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:08:17,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:08:17,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:08:17,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:08:17,319 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 4 states, 4 states have (on average 2.0) 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) [2023-12-02 18:08:17,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:08:17,426 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2023-12-02 18:08:17,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:08:17,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) 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 [2023-12-02 18:08:17,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:08:17,429 INFO L225 Difference]: With dead ends: 47 [2023-12-02 18:08:17,429 INFO L226 Difference]: Without dead ends: 37 [2023-12-02 18:08:17,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 18:08:17,431 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 33 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:08:17,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 28 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:08:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-12-02 18:08:17,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 33. [2023-12-02 18:08:17,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 32 states have internal predecessors, (38), 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) [2023-12-02 18:08:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2023-12-02 18:08:17,440 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 8 [2023-12-02 18:08:17,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:08:17,440 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2023-12-02 18:08:17,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) 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) [2023-12-02 18:08:17,441 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-12-02 18:08:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 18:08:17,442 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:17,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:08:17,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 18:08:17,442 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:17,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:17,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1852774813, now seen corresponding path program 1 times [2023-12-02 18:08:17,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:17,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119128614] [2023-12-02 18:08:17,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:17,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:18,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:18,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119128614] [2023-12-02 18:08:18,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119128614] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:08:18,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755863139] [2023-12-02 18:08:18,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:18,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:08:18,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:08:18,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:08:18,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:08:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:18,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 18:08:18,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:08:18,285 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 6 treesize of output 5 [2023-12-02 18:08:18,293 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 18 treesize of output 7 [2023-12-02 18:08:18,302 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 18 treesize of output 7 [2023-12-02 18:08:18,802 INFO L349 Elim1Store]: treesize reduction 26, result has 43.5 percent of original size [2023-12-02 18:08:18,803 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 175 treesize of output 207 [2023-12-02 18:08:18,879 INFO L349 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2023-12-02 18:08:18,880 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 194 treesize of output 234 [2023-12-02 18:08:18,944 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-12-02 18:08:18,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 188 [2023-12-02 18:08:19,013 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 14 treesize of output 9 [2023-12-02 18:08:19,055 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 14 treesize of output 9 [2023-12-02 18:08:19,086 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2023-12-02 18:08:19,086 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 3 case distinctions, treesize of input 36 treesize of output 7 [2023-12-02 18:08:19,106 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 18:08:19,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 15 treesize of output 15 [2023-12-02 18:08:19,124 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-02 18:08:19,125 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 1 case distinctions, treesize of input 36 treesize of output 7 [2023-12-02 18:08:19,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 3 [2023-12-02 18:08:19,140 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-02 18:08:19,140 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 1 case distinctions, treesize of input 23 treesize of output 7 [2023-12-02 18:08:19,170 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 24 treesize of output 12 [2023-12-02 18:08:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:19,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:08:19,349 INFO L349 Elim1Store]: treesize reduction 12, result has 70.0 percent of original size [2023-12-02 18:08:19,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 178 treesize of output 213 [2023-12-02 18:08:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:20,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755863139] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:08:20,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [332430563] [2023-12-02 18:08:20,342 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:08:20,342 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:08:20,347 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:08:20,354 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:08:20,355 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:08:25,946 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:08:26,831 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '439#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= 2 |ULTIMATE.start_main_~t1~0#1|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~t2~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~prev~0#1.offset|) (= |ULTIMATE.start_main_~prev~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~t2~0#1| 1)) (or (not (= |ULTIMATE.start_main_~x~0#1.base| 0)) (not (= |ULTIMATE.start_main_~x~0#1.offset| 0))))' at error location [2023-12-02 18:08:26,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:08:26,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:08:26,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-12-02 18:08:26,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026769260] [2023-12-02 18:08:26,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:08:26,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 18:08:26,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:08:26,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 18:08:26,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=201, Unknown=2, NotChecked=0, Total=272 [2023-12-02 18:08:26,835 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 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) [2023-12-02 18:08:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:08:28,716 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2023-12-02 18:08:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 18:08:28,719 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 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 [2023-12-02 18:08:28,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:08:28,719 INFO L225 Difference]: With dead ends: 68 [2023-12-02 18:08:28,720 INFO L226 Difference]: Without dead ends: 62 [2023-12-02 18:08:28,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=108, Invalid=307, Unknown=5, NotChecked=0, Total=420 [2023-12-02 18:08:28,721 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 38 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 11 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 18:08:28,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 122 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 122 Invalid, 8 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 18:08:28,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-02 18:08:28,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 42. [2023-12-02 18:08:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 41 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) [2023-12-02 18:08:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2023-12-02 18:08:28,733 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 14 [2023-12-02 18:08:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:08:28,734 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2023-12-02 18:08:28,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 states have internal predecessors, (33), 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) [2023-12-02 18:08:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-12-02 18:08:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 18:08:28,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:28,735 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:08:28,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:08:28,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:08:28,936 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:28,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1529663503, now seen corresponding path program 2 times [2023-12-02 18:08:28,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:28,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129708324] [2023-12-02 18:08:28,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:28,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:29,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:29,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129708324] [2023-12-02 18:08:29,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129708324] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:08:29,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012823712] [2023-12-02 18:08:29,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 18:08:29,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:08:29,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:08:29,765 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:08:29,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 18:08:30,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 18:08:30,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:08:30,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-02 18:08:30,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:08:30,046 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 18 treesize of output 7 [2023-12-02 18:08:30,052 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 18 treesize of output 7 [2023-12-02 18:08:30,056 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 6 treesize of output 5 [2023-12-02 18:08:30,284 INFO L349 Elim1Store]: treesize reduction 26, result has 39.5 percent of original size [2023-12-02 18:08:30,285 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 187 treesize of output 219 [2023-12-02 18:08:30,335 INFO L349 Elim1Store]: treesize reduction 26, result has 43.5 percent of original size [2023-12-02 18:08:30,336 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 173 treesize of output 205 [2023-12-02 18:08:30,373 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-12-02 18:08:30,373 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 2 case distinctions, treesize of input 170 treesize of output 198 [2023-12-02 18:08:30,408 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 18:08:30,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 18:08:30,441 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 14 treesize of output 9 [2023-12-02 18:08:30,483 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 14 treesize of output 9 [2023-12-02 18:08:30,503 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2023-12-02 18:08:30,503 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 3 case distinctions, treesize of input 36 treesize of output 7 [2023-12-02 18:08:30,508 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 18 treesize of output 3 [2023-12-02 18:08:30,517 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 18:08:30,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 15 treesize of output 15 [2023-12-02 18:08:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:08:30,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2023-12-02 18:08:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:08:30,558 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 21 treesize of output 1 [2023-12-02 18:08:30,684 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 23 treesize of output 11 [2023-12-02 18:08:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:08:30,695 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 31 treesize of output 27 [2023-12-02 18:08:30,702 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 24 treesize of output 12 [2023-12-02 18:08:30,749 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 20 treesize of output 15 [2023-12-02 18:08:30,756 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 15 treesize of output 1 [2023-12-02 18:08:30,760 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 [2023-12-02 18:08:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:30,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:08:31,038 INFO L349 Elim1Store]: treesize reduction 12, result has 76.9 percent of original size [2023-12-02 18:08:31,039 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 5 case distinctions, treesize of input 192 treesize of output 225 [2023-12-02 18:08:31,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:08:31,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 23 [2023-12-02 18:08:31,219 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 12 treesize of output 8 [2023-12-02 18:08:31,314 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-02 18:08:31,314 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 1 case distinctions, treesize of input 14 treesize of output 1 [2023-12-02 18:08:31,350 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-12-02 18:08:31,350 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 1 case distinctions, treesize of input 20 treesize of output 20 [2023-12-02 18:08:31,364 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 8 treesize of output 4 [2023-12-02 18:08:31,550 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 [2023-12-02 18:08:31,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:08:31,622 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 255 treesize of output 254 [2023-12-02 18:08:31,642 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 8 treesize of output 4 [2023-12-02 18:08:31,728 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 8 treesize of output 4 [2023-12-02 18:08:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:32,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012823712] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:08:32,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2063025795] [2023-12-02 18:08:32,144 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:08:32,144 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:08:32,144 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:08:32,145 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:08:32,145 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:08:37,203 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:08:38,086 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '708#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= 2 |ULTIMATE.start_main_~t1~0#1|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~t2~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~prev~0#1.offset|) (= |ULTIMATE.start_main_~prev~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~t2~0#1| 1)) (or (not (= |ULTIMATE.start_main_~x~0#1.base| 0)) (not (= |ULTIMATE.start_main_~x~0#1.offset| 0))))' at error location [2023-12-02 18:08:38,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:08:38,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:08:38,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-12-02 18:08:38,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513482656] [2023-12-02 18:08:38,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:08:38,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 18:08:38,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:08:38,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 18:08:38,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=464, Unknown=4, NotChecked=0, Total=552 [2023-12-02 18:08:38,089 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 18 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 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) [2023-12-02 18:08:38,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:08:38,820 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2023-12-02 18:08:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 18:08:38,821 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 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 15 [2023-12-02 18:08:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:08:38,822 INFO L225 Difference]: With dead ends: 60 [2023-12-02 18:08:38,822 INFO L226 Difference]: Without dead ends: 58 [2023-12-02 18:08:38,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=105, Invalid=593, Unknown=4, NotChecked=0, Total=702 [2023-12-02 18:08:38,823 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 24 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:08:38,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 165 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 18:08:38,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-02 18:08:38,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 50. [2023-12-02 18:08:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 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) [2023-12-02 18:08:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2023-12-02 18:08:38,837 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 15 [2023-12-02 18:08:38,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:08:38,838 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2023-12-02 18:08:38,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 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) [2023-12-02 18:08:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-12-02 18:08:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 18:08:38,839 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:38,839 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:08:38,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 18:08:39,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:08:39,040 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:39,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash 946879330, now seen corresponding path program 1 times [2023-12-02 18:08:39,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:39,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395434621] [2023-12-02 18:08:39,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:39,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 18:08:39,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:39,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395434621] [2023-12-02 18:08:39,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395434621] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:08:39,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290973832] [2023-12-02 18:08:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:39,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:08:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:08:39,157 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:08:39,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 18:08:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:39,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 18:08:39,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:08:39,332 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 25 treesize of output 17 [2023-12-02 18:08:39,334 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 21 treesize of output 13 [2023-12-02 18:08:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 18:08:39,345 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:08:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 18:08:39,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290973832] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:08:39,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [60272275] [2023-12-02 18:08:39,412 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-12-02 18:08:39,412 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:08:39,413 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:08:39,413 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:08:39,413 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:08:43,794 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:08:44,267 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '967#(and (<= 1 |#StackHeapBarrier|) (or (not (= (select (select |#memory_$Pointer$.base| 0) 0) 0)) (not (= (select (select |#memory_$Pointer$.offset| 0) 0) 0))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_#t~nondet6#1_36| Int)) (and (not (= |v_ULTIMATE.start_main_#t~nondet6#1_36| 0)) (<= 0 (+ |v_ULTIMATE.start_main_#t~nondet6#1_36| 2147483648)) (<= |v_ULTIMATE.start_main_#t~nondet6#1_36| 2147483647))))' at error location [2023-12-02 18:08:44,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:08:44,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:08:44,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2023-12-02 18:08:44,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522351448] [2023-12-02 18:08:44,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:08:44,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:08:44,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:08:44,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:08:44,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-12-02 18:08:44,269 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2023-12-02 18:08:44,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:08:44,476 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2023-12-02 18:08:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 18:08:44,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 15 [2023-12-02 18:08:44,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:08:44,477 INFO L225 Difference]: With dead ends: 50 [2023-12-02 18:08:44,477 INFO L226 Difference]: Without dead ends: 46 [2023-12-02 18:08:44,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-12-02 18:08:44,479 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:08:44,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 25 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 18:08:44,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-02 18:08:44,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2023-12-02 18:08:44,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 41 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) [2023-12-02 18:08:44,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2023-12-02 18:08:44,490 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 15 [2023-12-02 18:08:44,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:08:44,490 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2023-12-02 18:08:44,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2023-12-02 18:08:44,490 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-12-02 18:08:44,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 18:08:44,491 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:44,491 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:08:44,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 18:08:44,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:08:44,692 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:44,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:44,692 INFO L85 PathProgramCache]: Analyzing trace with hash 103147485, now seen corresponding path program 3 times [2023-12-02 18:08:44,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:44,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460757039] [2023-12-02 18:08:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:44,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:45,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:45,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460757039] [2023-12-02 18:08:45,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460757039] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:08:45,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318746838] [2023-12-02 18:08:45,181 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 18:08:45,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:08:45,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:08:45,182 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:08:45,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:08:45,587 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 18:08:45,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:08:45,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 18:08:45,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:08:45,602 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 18 treesize of output 7 [2023-12-02 18:08:45,608 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 18 treesize of output 7 [2023-12-02 18:08:45,613 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 6 treesize of output 5 [2023-12-02 18:08:45,890 INFO L349 Elim1Store]: treesize reduction 96, result has 25.6 percent of original size [2023-12-02 18:08:45,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 231 treesize of output 305 [2023-12-02 18:08:45,959 INFO L349 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2023-12-02 18:08:45,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 229 treesize of output 247 [2023-12-02 18:08:46,040 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-12-02 18:08:46,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 172 treesize of output 202 [2023-12-02 18:08:46,103 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 14 treesize of output 9 [2023-12-02 18:08:46,119 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-02 18:08:46,119 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 1 case distinctions, treesize of input 23 treesize of output 7 [2023-12-02 18:08:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:08:46,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 18:08:46,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:08:46,172 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 53 treesize of output 85 [2023-12-02 18:08:46,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:08:46,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:08:46,464 INFO L349 Elim1Store]: treesize reduction 106, result has 32.5 percent of original size [2023-12-02 18:08:46,464 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 322 treesize of output 313 [2023-12-02 18:08:46,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 252 [2023-12-02 18:08:46,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 238 [2023-12-02 18:08:46,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 224 [2023-12-02 18:08:46,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 45 treesize of output 46 [2023-12-02 18:08:46,667 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 196 [2023-12-02 18:08:46,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2023-12-02 18:08:46,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 11 [2023-12-02 18:08:47,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 15 [2023-12-02 18:08:47,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 15 [2023-12-02 18:08:47,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 15 [2023-12-02 18:08:47,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2023-12-02 18:08:47,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 11 [2023-12-02 18:08:47,311 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-12-02 18:08:47,312 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 40 [2023-12-02 18:08:47,320 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 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-02 18:08:47,324 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 30 treesize of output 22 [2023-12-02 18:08:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:47,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:08:47,400 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (and (forall ((v_ArrVal_499 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_499) .cse0) .cse1) 0)) (forall ((v_ArrVal_498 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_498) .cse0) .cse1) 0)))) is different from false [2023-12-02 18:08:47,559 INFO L349 Elim1Store]: treesize reduction 12, result has 70.0 percent of original size [2023-12-02 18:08:47,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 234 treesize of output 269 [2023-12-02 18:08:47,863 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 [2023-12-02 18:08:49,054 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse11 (select .cse7 |c_ULTIMATE.start_main_~x~0#1.offset|)) (.cse4 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (let ((.cse26 (= .cse5 0)) (.cse27 (= |c_ULTIMATE.start_main_~x~0#1.offset| 0)) (.cse0 (= (select .cse4 |c_ULTIMATE.start_main_~x~0#1.offset|) 0)) (.cse60 (= .cse11 0))) (let ((.cse8 (not (= .cse11 |c_ULTIMATE.start_main_~x~0#1.base|))) (.cse9 (and .cse0 .cse60)) (.cse33 (store .cse7 0 0)) (.cse34 (store .cse4 0 0)) (.cse35 (not .cse27)) (.cse18 (not (= |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (.cse28 (not .cse26)) (.cse20 (not (= (select |c_#valid| |c_ULTIMATE.start_main_~x~0#1.base|) 0))) (.cse30 (store (store .cse7 (- 4) |c_ULTIMATE.start_main_~x~0#1.base|) 0 0)) (.cse31 (store (store .cse4 (- 4) 0) 0 0)) (.cse21 (= 0 |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse13 (not .cse0)) (.cse36 (not .cse60))) (and (or .cse0 (forall ((v_DerPreprocessor_36 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_ArrVal_491 Int) (v_DerPreprocessor_39 (Array Int Int)) (v_ArrVal_498 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_37) v_DerPreprocessor_36 v_DerPreprocessor_38))) (let ((.cse1 (select .cse3 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse6 (select .cse1 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= v_DerPreprocessor_37 .cse1)) (= (let ((.cse2 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse6 v_DerPreprocessor_39))) (select (select (store .cse2 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse2 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (not (= v_DerPreprocessor_36 .cse6)) (not (= .cse1 (store .cse7 .cse5 (select .cse1 .cse5)))))))))) (or .cse8 .cse9 (forall ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_41 (Array Int Int)) (v_ArrVal_491 Int) (v_ArrVal_498 (Array Int Int))) (= 0 (let ((.cse10 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse11 v_DerPreprocessor_40))) (select (select (store .cse10 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| .cse11 v_DerPreprocessor_41) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) (or (forall ((v_DerPreprocessor_82 (Array Int Int)) (v_DerPreprocessor_83 (Array Int Int)) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse12 (store |c_#memory_$Pointer$.base| .cse11 v_DerPreprocessor_83))) (select (store .cse12 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse12 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse11 v_DerPreprocessor_82) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse8 .cse9) (or .cse13 (and (forall ((v_DerPreprocessor_79 Int) (v_DerPreprocessor_77 Int) (v_DerPreprocessor_78 Int) (v_DerPreprocessor_75 Int) (v_DerPreprocessor_76 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse15 (let ((.cse17 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_78) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_77)))) (store .cse17 v_DerPreprocessor_77 (store (store (select .cse17 v_DerPreprocessor_77) 0 0) 4 v_DerPreprocessor_79))))) (let ((.cse14 (select (select .cse15 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse14 0) (not (= (select |c_#valid| .cse14) 0)) (not (= .cse14 v_DerPreprocessor_77)) (= (select (select (store .cse15 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse15 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (let ((.cse16 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_75) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse16 .cse14 (store (store (select .cse16 .cse14) 0 0) 4 v_DerPreprocessor_76))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (= .cse14 |c_ULTIMATE.start_main_~x~0#1.base|))))) (or (and (or .cse18 (forall ((v_DerPreprocessor_69 Int) (v_DerPreprocessor_71 Int) (v_DerPreprocessor_72 Int) (v_DerPreprocessor_70 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse19 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse7 8 v_DerPreprocessor_69) 0 0) 4 v_DerPreprocessor_70)))) (select (store .cse19 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse19 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse4 8 v_DerPreprocessor_71) 0 0) 4 v_DerPreprocessor_72)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse20 .cse21) (forall ((v_DerPreprocessor_68 Int) (v_DerPreprocessor_66 Int) (v_DerPreprocessor_67 Int) (v_DerPreprocessor_64 Int) (v_DerPreprocessor_65 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse23 (let ((.cse25 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_67) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_66)))) (store .cse25 v_DerPreprocessor_66 (store (store (select .cse25 v_DerPreprocessor_66) 0 0) 4 v_DerPreprocessor_68))))) (let ((.cse22 (select (select .cse23 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse22 0) (not (= (select |c_#valid| .cse22) 0)) (= (select (select (store .cse23 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse23 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (let ((.cse24 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_64) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse24 .cse22 (store (store (select .cse24 .cse22) 0 0) 4 v_DerPreprocessor_65))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_66 .cse22))))))) .cse26 .cse27) (or .cse28 .cse20 (forall ((v_DerPreprocessor_73 Int) (v_ArrVal_499 (Array Int Int)) (v_DerPreprocessor_74 Int)) (= (select (let ((.cse29 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse30 4 v_DerPreprocessor_73)))) (select (store .cse29 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse29 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse31 4 v_DerPreprocessor_74)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse21) (or .cse20 (forall ((v_DerPreprocessor_80 Int) (v_DerPreprocessor_81 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse32 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse33 4 v_DerPreprocessor_80)))) (select (store .cse32 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse32 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse34 4 v_DerPreprocessor_81)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse35 .cse21)) .cse36) (forall ((v_DerPreprocessor_36 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_ArrVal_491 Int) (v_DerPreprocessor_39 (Array Int Int)) (v_ArrVal_498 (Array Int Int))) (let ((.cse40 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_37) v_DerPreprocessor_36 v_DerPreprocessor_38))) (let ((.cse38 (select .cse40 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse37 (select .cse38 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse37 0) (not (= v_DerPreprocessor_37 .cse38)) (= (let ((.cse39 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse37 v_DerPreprocessor_39))) (select (select (store .cse39 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse40 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse39 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (not (= v_DerPreprocessor_36 .cse37)) (not (= .cse38 (store .cse7 .cse5 (select .cse38 .cse5))))))))) (or .cse0 (forall ((v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_60 Int) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse41 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_61) v_DerPreprocessor_60 v_DerPreprocessor_62))) (let ((.cse43 (select .cse41 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse42 (select .cse43 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (select (select (store .cse41 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse41 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse42 v_DerPreprocessor_63) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_60 .cse42)) (not (= .cse43 (store .cse7 .cse5 (select .cse43 .cse5)))) (not (= .cse43 v_DerPreprocessor_61)))))))) (or (and (or (forall ((v_DerPreprocessor_47 Int) (v_DerPreprocessor_48 Int) (v_ArrVal_498 (Array Int Int))) (= (let ((.cse44 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse34 4 v_DerPreprocessor_47)))) (select (select (store .cse44 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse33 4 v_DerPreprocessor_48)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse44 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) .cse20 .cse35 .cse21) (or .cse26 .cse27 (and (or .cse18 .cse20 .cse21 (forall ((v_DerPreprocessor_49 Int) (v_DerPreprocessor_50 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_51 Int) (v_DerPreprocessor_52 Int)) (= (let ((.cse45 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse4 8 v_DerPreprocessor_49) 0 0) 4 v_DerPreprocessor_50)))) (select (select (store .cse45 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse7 8 v_DerPreprocessor_51) 0 0) 4 v_DerPreprocessor_52)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse45 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))) (forall ((v_DerPreprocessor_57 Int) (v_DerPreprocessor_55 Int) (v_DerPreprocessor_56 Int) (v_DerPreprocessor_53 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_54 Int)) (let ((.cse48 (let ((.cse50 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_56) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_55)))) (store .cse50 v_DerPreprocessor_55 (store (store (select .cse50 v_DerPreprocessor_55) 0 0) 4 v_DerPreprocessor_57))))) (let ((.cse46 (select (select .cse48 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse46) 0)) (= (let ((.cse47 (let ((.cse49 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_53) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse49 .cse46 (store (store (select .cse49 .cse46) 0 0) 4 v_DerPreprocessor_54))))) (select (select (store .cse47 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse48 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse47 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (= .cse46 0) (not (= v_DerPreprocessor_55 .cse46)))))))) (or .cse28 .cse20 (forall ((v_DerPreprocessor_58 Int) (v_DerPreprocessor_59 Int) (v_ArrVal_498 (Array Int Int))) (= (let ((.cse51 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse31 4 v_DerPreprocessor_58)))) (select (select (store .cse51 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse30 4 v_DerPreprocessor_59)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse51 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) .cse21) (forall ((v_DerPreprocessor_46 Int) (v_DerPreprocessor_44 Int) (v_DerPreprocessor_45 Int) (v_DerPreprocessor_42 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_43 Int)) (let ((.cse54 (let ((.cse56 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_45) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_44)))) (store .cse56 v_DerPreprocessor_44 (store (store (select .cse56 v_DerPreprocessor_44) 0 0) 4 v_DerPreprocessor_46))))) (let ((.cse52 (select (select .cse54 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse52) 0)) (= .cse52 |c_ULTIMATE.start_main_~x~0#1.base|) (not (= .cse52 v_DerPreprocessor_44)) (= .cse52 0) (= (let ((.cse53 (let ((.cse55 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_42) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse55 .cse52 (store (store (select .cse55 .cse52) 0 0) 4 v_DerPreprocessor_43))))) (select (select (store .cse53 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse54 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse53 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)))))) .cse13 .cse36) (forall ((v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_60 Int) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse57 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_61) v_DerPreprocessor_60 v_DerPreprocessor_62))) (let ((.cse59 (select .cse57 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse58 (select .cse59 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (select (select (store .cse57 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse57 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse58 v_DerPreprocessor_63) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_60 .cse58)) (= .cse58 0) (not (= .cse59 (store .cse7 .cse5 (select .cse59 .cse5)))) (not (= .cse59 v_DerPreprocessor_61)))))))))))) is different from false [2023-12-02 18:08:51,068 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse11 (select .cse7 |c_ULTIMATE.start_main_~x~0#1.offset|)) (.cse4 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (let ((.cse26 (= .cse5 0)) (.cse27 (= |c_ULTIMATE.start_main_~x~0#1.offset| 0)) (.cse0 (= (select .cse4 |c_ULTIMATE.start_main_~x~0#1.offset|) 0)) (.cse60 (= .cse11 0))) (let ((.cse8 (not (= .cse11 |c_ULTIMATE.start_main_~x~0#1.base|))) (.cse9 (and .cse0 .cse60)) (.cse33 (store .cse7 0 0)) (.cse34 (store .cse4 0 0)) (.cse35 (not .cse27)) (.cse18 (not (= |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (.cse28 (not .cse26)) (.cse20 (not (= (select |c_#valid| |c_ULTIMATE.start_main_~x~0#1.base|) 0))) (.cse30 (store (store .cse7 (- 4) |c_ULTIMATE.start_main_~x~0#1.base|) 0 0)) (.cse31 (store (store .cse4 (- 4) 0) 0 0)) (.cse21 (= 0 |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse13 (not .cse0)) (.cse36 (not .cse60))) (and (or .cse0 (forall ((v_DerPreprocessor_36 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_ArrVal_491 Int) (v_DerPreprocessor_39 (Array Int Int)) (v_ArrVal_498 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_37) v_DerPreprocessor_36 v_DerPreprocessor_38))) (let ((.cse1 (select .cse3 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse6 (select .cse1 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= v_DerPreprocessor_37 .cse1)) (= (let ((.cse2 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse6 v_DerPreprocessor_39))) (select (select (store .cse2 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse2 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (not (= v_DerPreprocessor_36 .cse6)) (not (= .cse1 (store .cse7 .cse5 (select .cse1 .cse5)))))))))) (or .cse8 .cse9 (forall ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_41 (Array Int Int)) (v_ArrVal_491 Int) (v_ArrVal_498 (Array Int Int))) (= 0 (let ((.cse10 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse11 v_DerPreprocessor_40))) (select (select (store .cse10 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| .cse11 v_DerPreprocessor_41) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) (or (forall ((v_DerPreprocessor_82 (Array Int Int)) (v_DerPreprocessor_83 (Array Int Int)) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse12 (store |c_#memory_$Pointer$.base| .cse11 v_DerPreprocessor_83))) (select (store .cse12 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse12 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse11 v_DerPreprocessor_82) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse8 .cse9) (or .cse13 (and (forall ((v_DerPreprocessor_79 Int) (v_DerPreprocessor_77 Int) (v_DerPreprocessor_78 Int) (v_DerPreprocessor_75 Int) (v_DerPreprocessor_76 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse15 (let ((.cse17 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_78) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_77)))) (store .cse17 v_DerPreprocessor_77 (store (store (select .cse17 v_DerPreprocessor_77) 0 0) 4 v_DerPreprocessor_79))))) (let ((.cse14 (select (select .cse15 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse14 0) (not (= (select |c_#valid| .cse14) 0)) (not (= .cse14 v_DerPreprocessor_77)) (= (select (select (store .cse15 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse15 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (let ((.cse16 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_75) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse16 .cse14 (store (store (select .cse16 .cse14) 0 0) 4 v_DerPreprocessor_76))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (= .cse14 |c_ULTIMATE.start_main_~x~0#1.base|))))) (or (and (or .cse18 (forall ((v_DerPreprocessor_69 Int) (v_DerPreprocessor_71 Int) (v_DerPreprocessor_72 Int) (v_DerPreprocessor_70 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse19 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse7 8 v_DerPreprocessor_69) 0 0) 4 v_DerPreprocessor_70)))) (select (store .cse19 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse19 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse4 8 v_DerPreprocessor_71) 0 0) 4 v_DerPreprocessor_72)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse20 .cse21) (forall ((v_DerPreprocessor_68 Int) (v_DerPreprocessor_66 Int) (v_DerPreprocessor_67 Int) (v_DerPreprocessor_64 Int) (v_DerPreprocessor_65 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse23 (let ((.cse25 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_67) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_66)))) (store .cse25 v_DerPreprocessor_66 (store (store (select .cse25 v_DerPreprocessor_66) 0 0) 4 v_DerPreprocessor_68))))) (let ((.cse22 (select (select .cse23 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse22 0) (not (= (select |c_#valid| .cse22) 0)) (= (select (select (store .cse23 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse23 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (let ((.cse24 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_64) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse24 .cse22 (store (store (select .cse24 .cse22) 0 0) 4 v_DerPreprocessor_65))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_66 .cse22))))))) .cse26 .cse27) (or .cse28 .cse20 (forall ((v_DerPreprocessor_73 Int) (v_ArrVal_499 (Array Int Int)) (v_DerPreprocessor_74 Int)) (= (select (let ((.cse29 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse30 4 v_DerPreprocessor_73)))) (select (store .cse29 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse29 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse31 4 v_DerPreprocessor_74)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse21) (or .cse20 (forall ((v_DerPreprocessor_80 Int) (v_DerPreprocessor_81 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse32 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse33 4 v_DerPreprocessor_80)))) (select (store .cse32 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse32 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse34 4 v_DerPreprocessor_81)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse35 .cse21)) .cse36) (forall ((v_DerPreprocessor_36 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_ArrVal_491 Int) (v_DerPreprocessor_39 (Array Int Int)) (v_ArrVal_498 (Array Int Int))) (let ((.cse40 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_37) v_DerPreprocessor_36 v_DerPreprocessor_38))) (let ((.cse38 (select .cse40 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse37 (select .cse38 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse37 0) (not (= v_DerPreprocessor_37 .cse38)) (= (let ((.cse39 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse37 v_DerPreprocessor_39))) (select (select (store .cse39 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse40 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse39 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (not (= v_DerPreprocessor_36 .cse37)) (not (= .cse38 (store .cse7 .cse5 (select .cse38 .cse5))))))))) (or .cse0 (forall ((v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_60 Int) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse41 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_61) v_DerPreprocessor_60 v_DerPreprocessor_62))) (let ((.cse43 (select .cse41 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse42 (select .cse43 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (select (select (store .cse41 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse41 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse42 v_DerPreprocessor_63) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_60 .cse42)) (not (= .cse43 (store .cse7 .cse5 (select .cse43 .cse5)))) (not (= .cse43 v_DerPreprocessor_61)))))))) (or (and (or (forall ((v_DerPreprocessor_47 Int) (v_DerPreprocessor_48 Int) (v_ArrVal_498 (Array Int Int))) (= (let ((.cse44 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse34 4 v_DerPreprocessor_47)))) (select (select (store .cse44 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse33 4 v_DerPreprocessor_48)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse44 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) .cse20 .cse35 .cse21) (or .cse26 .cse27 (and (or .cse18 .cse20 .cse21 (forall ((v_DerPreprocessor_49 Int) (v_DerPreprocessor_50 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_51 Int) (v_DerPreprocessor_52 Int)) (= (let ((.cse45 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse4 8 v_DerPreprocessor_49) 0 0) 4 v_DerPreprocessor_50)))) (select (select (store .cse45 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse7 8 v_DerPreprocessor_51) 0 0) 4 v_DerPreprocessor_52)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse45 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))) (forall ((v_DerPreprocessor_57 Int) (v_DerPreprocessor_55 Int) (v_DerPreprocessor_56 Int) (v_DerPreprocessor_53 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_54 Int)) (let ((.cse48 (let ((.cse50 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_56) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_55)))) (store .cse50 v_DerPreprocessor_55 (store (store (select .cse50 v_DerPreprocessor_55) 0 0) 4 v_DerPreprocessor_57))))) (let ((.cse46 (select (select .cse48 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse46) 0)) (= (let ((.cse47 (let ((.cse49 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_53) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse49 .cse46 (store (store (select .cse49 .cse46) 0 0) 4 v_DerPreprocessor_54))))) (select (select (store .cse47 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse48 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse47 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (= .cse46 0) (not (= v_DerPreprocessor_55 .cse46)))))))) (or .cse28 .cse20 (forall ((v_DerPreprocessor_58 Int) (v_DerPreprocessor_59 Int) (v_ArrVal_498 (Array Int Int))) (= (let ((.cse51 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse31 4 v_DerPreprocessor_58)))) (select (select (store .cse51 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse30 4 v_DerPreprocessor_59)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse51 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) .cse21) (forall ((v_DerPreprocessor_46 Int) (v_DerPreprocessor_44 Int) (v_DerPreprocessor_45 Int) (v_DerPreprocessor_42 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_43 Int)) (let ((.cse54 (let ((.cse56 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_45) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_44)))) (store .cse56 v_DerPreprocessor_44 (store (store (select .cse56 v_DerPreprocessor_44) 0 0) 4 v_DerPreprocessor_46))))) (let ((.cse52 (select (select .cse54 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse52) 0)) (= .cse52 |c_ULTIMATE.start_main_~x~0#1.base|) (not (= .cse52 v_DerPreprocessor_44)) (= .cse52 0) (= (let ((.cse53 (let ((.cse55 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_42) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse55 .cse52 (store (store (select .cse55 .cse52) 0 0) 4 v_DerPreprocessor_43))))) (select (select (store .cse53 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse54 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse53 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)))))) .cse13 .cse36) (forall ((v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_60 Int) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse57 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_61) v_DerPreprocessor_60 v_DerPreprocessor_62))) (let ((.cse59 (select .cse57 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse58 (select .cse59 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (select (select (store .cse57 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse57 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse58 v_DerPreprocessor_63) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_60 .cse58)) (= .cse58 0) (not (= .cse59 (store .cse7 .cse5 (select .cse59 .cse5)))) (not (= .cse59 v_DerPreprocessor_61)))))))))))) is different from true [2023-12-02 18:08:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-12-02 18:08:55,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318746838] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:08:55,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [484971750] [2023-12-02 18:08:55,101 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:08:55,101 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:08:55,102 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:08:55,102 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:08:55,102 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:08:59,810 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:09:00,823 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1219#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= 2 |ULTIMATE.start_main_~t1~0#1|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~t2~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~prev~0#1.offset|) (= |ULTIMATE.start_main_~prev~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~t2~0#1| 1)) (or (not (= |ULTIMATE.start_main_~x~0#1.base| 0)) (not (= |ULTIMATE.start_main_~x~0#1.offset| 0))))' at error location [2023-12-02 18:09:00,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:09:00,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:09:00,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2023-12-02 18:09:00,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426564497] [2023-12-02 18:09:00,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:09:00,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 18:09:00,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:09:00,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 18:09:00,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=263, Unknown=3, NotChecked=70, Total=420 [2023-12-02 18:09:00,826 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 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) [2023-12-02 18:09:03,179 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse12 (select .cse7 |c_ULTIMATE.start_main_~x~0#1.offset|)) (.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (let ((.cse27 (= .cse5 0)) (.cse13 (= |c_ULTIMATE.start_main_~x~0#1.offset| 0)) (.cse1 (= (select .cse0 |c_ULTIMATE.start_main_~x~0#1.offset|) 0)) (.cse60 (= .cse12 0))) (let ((.cse9 (not (= .cse12 |c_ULTIMATE.start_main_~x~0#1.base|))) (.cse10 (and .cse1 .cse60)) (.cse33 (store .cse7 0 0)) (.cse34 (store .cse0 0 0)) (.cse35 (not .cse13)) (.cse20 (not (= |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (.cse28 (not .cse27)) (.cse22 (not (= (select |c_#valid| |c_ULTIMATE.start_main_~x~0#1.base|) 0))) (.cse30 (store (store .cse7 (- 4) |c_ULTIMATE.start_main_~x~0#1.base|) 0 0)) (.cse31 (store (store .cse0 (- 4) 0) 0 0)) (.cse8 (= 0 |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse15 (not .cse1)) (.cse36 (not .cse60))) (and (= (select .cse0 0) 0) (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) 0) 0) (or .cse1 (forall ((v_DerPreprocessor_36 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_ArrVal_491 Int) (v_DerPreprocessor_39 (Array Int Int)) (v_ArrVal_498 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_37) v_DerPreprocessor_36 v_DerPreprocessor_38))) (let ((.cse2 (select .cse4 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse6 (select .cse2 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= v_DerPreprocessor_37 .cse2)) (= (let ((.cse3 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse0 .cse5 v_ArrVal_491)) .cse6 v_DerPreprocessor_39))) (select (select (store .cse3 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse4 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (not (= v_DerPreprocessor_36 .cse6)) (not (= .cse2 (store .cse7 .cse5 (select .cse2 .cse5)))))))))) (not .cse8) (or .cse9 .cse10 (forall ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_41 (Array Int Int)) (v_ArrVal_491 Int) (v_ArrVal_498 (Array Int Int))) (= 0 (let ((.cse11 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse0 .cse5 v_ArrVal_491)) .cse12 v_DerPreprocessor_40))) (select (select (store .cse11 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| .cse12 v_DerPreprocessor_41) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse11 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) .cse13 (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~x~0#1.base|) (or (forall ((v_DerPreprocessor_82 (Array Int Int)) (v_DerPreprocessor_83 (Array Int Int)) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse14 (store |c_#memory_$Pointer$.base| .cse12 v_DerPreprocessor_83))) (select (store .cse14 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse14 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse0 .cse5 v_ArrVal_491)) .cse12 v_DerPreprocessor_82) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse9 .cse10) (or .cse15 (and (forall ((v_DerPreprocessor_79 Int) (v_DerPreprocessor_77 Int) (v_DerPreprocessor_78 Int) (v_DerPreprocessor_75 Int) (v_DerPreprocessor_76 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse17 (let ((.cse19 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_78) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_77)))) (store .cse19 v_DerPreprocessor_77 (store (store (select .cse19 v_DerPreprocessor_77) 0 0) 4 v_DerPreprocessor_79))))) (let ((.cse16 (select (select .cse17 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse16 0) (not (= (select |c_#valid| .cse16) 0)) (not (= .cse16 v_DerPreprocessor_77)) (= (select (select (store .cse17 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse17 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (let ((.cse18 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse0 .cse5 v_DerPreprocessor_75) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse18 .cse16 (store (store (select .cse18 .cse16) 0 0) 4 v_DerPreprocessor_76))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (= .cse16 |c_ULTIMATE.start_main_~x~0#1.base|))))) (or (and (or .cse20 (forall ((v_DerPreprocessor_69 Int) (v_DerPreprocessor_71 Int) (v_DerPreprocessor_72 Int) (v_DerPreprocessor_70 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse21 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse7 8 v_DerPreprocessor_69) 0 0) 4 v_DerPreprocessor_70)))) (select (store .cse21 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse21 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse0 8 v_DerPreprocessor_71) 0 0) 4 v_DerPreprocessor_72)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse22 .cse8) (forall ((v_DerPreprocessor_68 Int) (v_DerPreprocessor_66 Int) (v_DerPreprocessor_67 Int) (v_DerPreprocessor_64 Int) (v_DerPreprocessor_65 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse24 (let ((.cse26 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_67) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_66)))) (store .cse26 v_DerPreprocessor_66 (store (store (select .cse26 v_DerPreprocessor_66) 0 0) 4 v_DerPreprocessor_68))))) (let ((.cse23 (select (select .cse24 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse23 0) (not (= (select |c_#valid| .cse23) 0)) (= (select (select (store .cse24 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse24 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (let ((.cse25 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse0 .cse5 v_DerPreprocessor_64) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse25 .cse23 (store (store (select .cse25 .cse23) 0 0) 4 v_DerPreprocessor_65))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_66 .cse23))))))) .cse27 .cse13) (or .cse28 .cse22 (forall ((v_DerPreprocessor_73 Int) (v_ArrVal_499 (Array Int Int)) (v_DerPreprocessor_74 Int)) (= (select (let ((.cse29 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse30 4 v_DerPreprocessor_73)))) (select (store .cse29 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse29 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse31 4 v_DerPreprocessor_74)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse8) (or .cse22 (forall ((v_DerPreprocessor_80 Int) (v_DerPreprocessor_81 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse32 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse33 4 v_DerPreprocessor_80)))) (select (store .cse32 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse32 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse34 4 v_DerPreprocessor_81)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse35 .cse8)) .cse36) (= (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) 1) (= (select .cse7 0) 0) (forall ((v_DerPreprocessor_36 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_ArrVal_491 Int) (v_DerPreprocessor_39 (Array Int Int)) (v_ArrVal_498 (Array Int Int))) (let ((.cse40 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_37) v_DerPreprocessor_36 v_DerPreprocessor_38))) (let ((.cse38 (select .cse40 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse37 (select .cse38 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse37 0) (not (= v_DerPreprocessor_37 .cse38)) (= (let ((.cse39 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse0 .cse5 v_ArrVal_491)) .cse37 v_DerPreprocessor_39))) (select (select (store .cse39 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse40 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse39 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (not (= v_DerPreprocessor_36 .cse37)) (not (= .cse38 (store .cse7 .cse5 (select .cse38 .cse5))))))))) (or .cse1 (forall ((v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_60 Int) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse41 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_61) v_DerPreprocessor_60 v_DerPreprocessor_62))) (let ((.cse43 (select .cse41 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse42 (select .cse43 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (select (select (store .cse41 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse41 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse0 .cse5 v_ArrVal_491)) .cse42 v_DerPreprocessor_63) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_60 .cse42)) (not (= .cse43 (store .cse7 .cse5 (select .cse43 .cse5)))) (not (= .cse43 v_DerPreprocessor_61)))))))) (or (and (or (forall ((v_DerPreprocessor_47 Int) (v_DerPreprocessor_48 Int) (v_ArrVal_498 (Array Int Int))) (= (let ((.cse44 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse34 4 v_DerPreprocessor_47)))) (select (select (store .cse44 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse33 4 v_DerPreprocessor_48)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse44 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) .cse22 .cse35 .cse8) (or .cse27 .cse13 (and (or .cse20 .cse22 .cse8 (forall ((v_DerPreprocessor_49 Int) (v_DerPreprocessor_50 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_51 Int) (v_DerPreprocessor_52 Int)) (= (let ((.cse45 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse0 8 v_DerPreprocessor_49) 0 0) 4 v_DerPreprocessor_50)))) (select (select (store .cse45 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse7 8 v_DerPreprocessor_51) 0 0) 4 v_DerPreprocessor_52)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse45 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))) (forall ((v_DerPreprocessor_57 Int) (v_DerPreprocessor_55 Int) (v_DerPreprocessor_56 Int) (v_DerPreprocessor_53 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_54 Int)) (let ((.cse48 (let ((.cse50 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_56) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_55)))) (store .cse50 v_DerPreprocessor_55 (store (store (select .cse50 v_DerPreprocessor_55) 0 0) 4 v_DerPreprocessor_57))))) (let ((.cse46 (select (select .cse48 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse46) 0)) (= (let ((.cse47 (let ((.cse49 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse0 .cse5 v_DerPreprocessor_53) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse49 .cse46 (store (store (select .cse49 .cse46) 0 0) 4 v_DerPreprocessor_54))))) (select (select (store .cse47 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse48 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse47 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (= .cse46 0) (not (= v_DerPreprocessor_55 .cse46)))))))) (or .cse28 .cse22 (forall ((v_DerPreprocessor_58 Int) (v_DerPreprocessor_59 Int) (v_ArrVal_498 (Array Int Int))) (= (let ((.cse51 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse31 4 v_DerPreprocessor_58)))) (select (select (store .cse51 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse30 4 v_DerPreprocessor_59)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse51 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) .cse8) (forall ((v_DerPreprocessor_46 Int) (v_DerPreprocessor_44 Int) (v_DerPreprocessor_45 Int) (v_DerPreprocessor_42 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_43 Int)) (let ((.cse54 (let ((.cse56 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_45) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_44)))) (store .cse56 v_DerPreprocessor_44 (store (store (select .cse56 v_DerPreprocessor_44) 0 0) 4 v_DerPreprocessor_46))))) (let ((.cse52 (select (select .cse54 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse52) 0)) (= .cse52 |c_ULTIMATE.start_main_~x~0#1.base|) (not (= .cse52 v_DerPreprocessor_44)) (= .cse52 0) (= (let ((.cse53 (let ((.cse55 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse0 .cse5 v_DerPreprocessor_42) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse55 .cse52 (store (store (select .cse55 .cse52) 0 0) 4 v_DerPreprocessor_43))))) (select (select (store .cse53 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse54 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse53 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)))))) .cse15 .cse36) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) 0) 0) (forall ((v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_60 Int) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse57 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_61) v_DerPreprocessor_60 v_DerPreprocessor_62))) (let ((.cse59 (select .cse57 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse58 (select .cse59 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (select (select (store .cse57 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse57 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse0 .cse5 v_ArrVal_491)) .cse58 v_DerPreprocessor_63) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_60 .cse58)) (= .cse58 0) (not (= .cse59 (store .cse7 .cse5 (select .cse59 .cse5)))) (not (= .cse59 v_DerPreprocessor_61)))))))))))) is different from true [2023-12-02 18:09:05,211 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse11 (select .cse7 |c_ULTIMATE.start_main_~x~0#1.offset|)) (.cse4 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (let ((.cse27 (= .cse5 0)) (.cse12 (= |c_ULTIMATE.start_main_~x~0#1.offset| 0)) (.cse0 (= (select .cse4 |c_ULTIMATE.start_main_~x~0#1.offset|) 0)) (.cse60 (= .cse11 0))) (let ((.cse8 (not (= .cse11 |c_ULTIMATE.start_main_~x~0#1.base|))) (.cse9 (and .cse0 .cse60)) (.cse33 (store .cse7 0 0)) (.cse34 (store .cse4 0 0)) (.cse35 (not .cse12)) (.cse19 (not (= |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (.cse28 (not .cse27)) (.cse21 (not (= (select |c_#valid| |c_ULTIMATE.start_main_~x~0#1.base|) 0))) (.cse30 (store (store .cse7 (- 4) |c_ULTIMATE.start_main_~x~0#1.base|) 0 0)) (.cse31 (store (store .cse4 (- 4) 0) 0 0)) (.cse22 (= 0 |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse14 (not .cse0)) (.cse36 (not .cse60))) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) 0) 0) (or .cse0 (forall ((v_DerPreprocessor_36 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_ArrVal_491 Int) (v_DerPreprocessor_39 (Array Int Int)) (v_ArrVal_498 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_37) v_DerPreprocessor_36 v_DerPreprocessor_38))) (let ((.cse1 (select .cse3 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse6 (select .cse1 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= v_DerPreprocessor_37 .cse1)) (= (let ((.cse2 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse6 v_DerPreprocessor_39))) (select (select (store .cse2 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse2 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (not (= v_DerPreprocessor_36 .cse6)) (not (= .cse1 (store .cse7 .cse5 (select .cse1 .cse5)))))))))) (or .cse8 .cse9 (forall ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_41 (Array Int Int)) (v_ArrVal_491 Int) (v_ArrVal_498 (Array Int Int))) (= 0 (let ((.cse10 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse11 v_DerPreprocessor_40))) (select (select (store .cse10 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| .cse11 v_DerPreprocessor_41) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) .cse12 (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~x~0#1.base|) (or (forall ((v_DerPreprocessor_82 (Array Int Int)) (v_DerPreprocessor_83 (Array Int Int)) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse13 (store |c_#memory_$Pointer$.base| .cse11 v_DerPreprocessor_83))) (select (store .cse13 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse13 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse11 v_DerPreprocessor_82) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse8 .cse9) (or .cse14 (and (forall ((v_DerPreprocessor_79 Int) (v_DerPreprocessor_77 Int) (v_DerPreprocessor_78 Int) (v_DerPreprocessor_75 Int) (v_DerPreprocessor_76 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse16 (let ((.cse18 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_78) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_77)))) (store .cse18 v_DerPreprocessor_77 (store (store (select .cse18 v_DerPreprocessor_77) 0 0) 4 v_DerPreprocessor_79))))) (let ((.cse15 (select (select .cse16 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse15 0) (not (= (select |c_#valid| .cse15) 0)) (not (= .cse15 v_DerPreprocessor_77)) (= (select (select (store .cse16 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse16 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (let ((.cse17 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_75) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse17 .cse15 (store (store (select .cse17 .cse15) 0 0) 4 v_DerPreprocessor_76))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (= .cse15 |c_ULTIMATE.start_main_~x~0#1.base|))))) (or (and (or .cse19 (forall ((v_DerPreprocessor_69 Int) (v_DerPreprocessor_71 Int) (v_DerPreprocessor_72 Int) (v_DerPreprocessor_70 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse20 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse7 8 v_DerPreprocessor_69) 0 0) 4 v_DerPreprocessor_70)))) (select (store .cse20 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse20 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse4 8 v_DerPreprocessor_71) 0 0) 4 v_DerPreprocessor_72)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse21 .cse22) (forall ((v_DerPreprocessor_68 Int) (v_DerPreprocessor_66 Int) (v_DerPreprocessor_67 Int) (v_DerPreprocessor_64 Int) (v_DerPreprocessor_65 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse24 (let ((.cse26 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_67) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_66)))) (store .cse26 v_DerPreprocessor_66 (store (store (select .cse26 v_DerPreprocessor_66) 0 0) 4 v_DerPreprocessor_68))))) (let ((.cse23 (select (select .cse24 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse23 0) (not (= (select |c_#valid| .cse23) 0)) (= (select (select (store .cse24 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse24 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (let ((.cse25 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_64) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse25 .cse23 (store (store (select .cse25 .cse23) 0 0) 4 v_DerPreprocessor_65))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_66 .cse23))))))) .cse27 .cse12) (or .cse28 .cse21 (forall ((v_DerPreprocessor_73 Int) (v_ArrVal_499 (Array Int Int)) (v_DerPreprocessor_74 Int)) (= (select (let ((.cse29 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse30 4 v_DerPreprocessor_73)))) (select (store .cse29 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse29 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse31 4 v_DerPreprocessor_74)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse22) (or .cse21 (forall ((v_DerPreprocessor_80 Int) (v_DerPreprocessor_81 Int) (v_ArrVal_499 (Array Int Int))) (= (select (let ((.cse32 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse33 4 v_DerPreprocessor_80)))) (select (store .cse32 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse32 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse34 4 v_DerPreprocessor_81)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) .cse35 .cse22)) .cse36) (= (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) 1) (forall ((v_DerPreprocessor_36 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_ArrVal_491 Int) (v_DerPreprocessor_39 (Array Int Int)) (v_ArrVal_498 (Array Int Int))) (let ((.cse40 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_37) v_DerPreprocessor_36 v_DerPreprocessor_38))) (let ((.cse38 (select .cse40 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse37 (select .cse38 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse37 0) (not (= v_DerPreprocessor_37 .cse38)) (= (let ((.cse39 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse37 v_DerPreprocessor_39))) (select (select (store .cse39 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse40 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse39 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (not (= v_DerPreprocessor_36 .cse37)) (not (= .cse38 (store .cse7 .cse5 (select .cse38 .cse5))))))))) (or .cse0 (forall ((v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_60 Int) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse41 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_61) v_DerPreprocessor_60 v_DerPreprocessor_62))) (let ((.cse43 (select .cse41 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse42 (select .cse43 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (select (select (store .cse41 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse41 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse42 v_DerPreprocessor_63) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_60 .cse42)) (not (= .cse43 (store .cse7 .cse5 (select .cse43 .cse5)))) (not (= .cse43 v_DerPreprocessor_61)))))))) (or (and (or (forall ((v_DerPreprocessor_47 Int) (v_DerPreprocessor_48 Int) (v_ArrVal_498 (Array Int Int))) (= (let ((.cse44 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse34 4 v_DerPreprocessor_47)))) (select (select (store .cse44 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse33 4 v_DerPreprocessor_48)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse44 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) .cse21 .cse35 .cse22) (or .cse27 .cse12 (and (or .cse19 .cse21 .cse22 (forall ((v_DerPreprocessor_49 Int) (v_DerPreprocessor_50 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_51 Int) (v_DerPreprocessor_52 Int)) (= (let ((.cse45 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse4 8 v_DerPreprocessor_49) 0 0) 4 v_DerPreprocessor_50)))) (select (select (store .cse45 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store (store .cse7 8 v_DerPreprocessor_51) 0 0) 4 v_DerPreprocessor_52)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse45 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))) (forall ((v_DerPreprocessor_57 Int) (v_DerPreprocessor_55 Int) (v_DerPreprocessor_56 Int) (v_DerPreprocessor_53 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_54 Int)) (let ((.cse48 (let ((.cse50 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_56) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_55)))) (store .cse50 v_DerPreprocessor_55 (store (store (select .cse50 v_DerPreprocessor_55) 0 0) 4 v_DerPreprocessor_57))))) (let ((.cse46 (select (select .cse48 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse46) 0)) (= (let ((.cse47 (let ((.cse49 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_53) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse49 .cse46 (store (store (select .cse49 .cse46) 0 0) 4 v_DerPreprocessor_54))))) (select (select (store .cse47 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse48 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse47 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0) (= .cse46 0) (not (= v_DerPreprocessor_55 .cse46)))))))) (or .cse28 .cse21 (forall ((v_DerPreprocessor_58 Int) (v_DerPreprocessor_59 Int) (v_ArrVal_498 (Array Int Int))) (= (let ((.cse51 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse31 4 v_DerPreprocessor_58)))) (select (select (store .cse51 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse30 4 v_DerPreprocessor_59)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse51 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) .cse22) (forall ((v_DerPreprocessor_46 Int) (v_DerPreprocessor_44 Int) (v_DerPreprocessor_45 Int) (v_DerPreprocessor_42 Int) (v_ArrVal_498 (Array Int Int)) (v_DerPreprocessor_43 Int)) (let ((.cse54 (let ((.cse56 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse7 .cse5 v_DerPreprocessor_45) |c_ULTIMATE.start_main_~x~0#1.offset| v_DerPreprocessor_44)))) (store .cse56 v_DerPreprocessor_44 (store (store (select .cse56 v_DerPreprocessor_44) 0 0) 4 v_DerPreprocessor_46))))) (let ((.cse52 (select (select .cse54 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse52) 0)) (= .cse52 |c_ULTIMATE.start_main_~x~0#1.base|) (not (= .cse52 v_DerPreprocessor_44)) (= .cse52 0) (= (let ((.cse53 (let ((.cse55 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (store .cse4 .cse5 v_DerPreprocessor_42) |c_ULTIMATE.start_main_~x~0#1.offset| 0)))) (store .cse55 .cse52 (store (store (select .cse55 .cse52) 0 0) 4 v_DerPreprocessor_43))))) (select (select (store .cse53 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_498) (select (select .cse54 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse53 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)))))) .cse14 .cse36) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) 0) 0) (forall ((v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_60 Int) (v_ArrVal_491 Int) (v_ArrVal_499 (Array Int Int))) (let ((.cse57 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_61) v_DerPreprocessor_60 v_DerPreprocessor_62))) (let ((.cse59 (select .cse57 |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse58 (select .cse59 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (select (select (store .cse57 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_499) (select (select .cse57 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse4 .cse5 v_ArrVal_491)) .cse58 v_DerPreprocessor_63) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0) (not (= v_DerPreprocessor_60 .cse58)) (= .cse58 0) (not (= .cse59 (store .cse7 .cse5 (select .cse59 .cse5)))) (not (= .cse59 v_DerPreprocessor_61)))))))))))) is different from true [2023-12-02 18:09:06,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:09:07,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:09:07,147 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2023-12-02 18:09:07,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:09:07,147 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 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 [2023-12-02 18:09:07,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:09:07,148 INFO L225 Difference]: With dead ends: 49 [2023-12-02 18:09:07,148 INFO L226 Difference]: Without dead ends: 42 [2023-12-02 18:09:07,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=101, Invalid=290, Unknown=5, NotChecked=156, Total=552 [2023-12-02 18:09:07,149 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 102 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:09:07,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 91 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 102 Unchecked, 2.2s Time] [2023-12-02 18:09:07,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-02 18:09:07,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-12-02 18:09:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 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) [2023-12-02 18:09:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2023-12-02 18:09:07,163 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 16 [2023-12-02 18:09:07,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:09:07,163 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2023-12-02 18:09:07,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 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) [2023-12-02 18:09:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-12-02 18:09:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 18:09:07,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:09:07,164 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:09:07,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 18:09:07,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:09:07,365 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:09:07,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:09:07,365 INFO L85 PathProgramCache]: Analyzing trace with hash 242415028, now seen corresponding path program 1 times [2023-12-02 18:09:07,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:09:07,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346481257] [2023-12-02 18:09:07,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:09:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:09:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:09:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:09:07,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:09:07,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346481257] [2023-12-02 18:09:07,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346481257] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:09:07,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72180411] [2023-12-02 18:09:07,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:09:07,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:09:07,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:09:07,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:09:07,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 18:09:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:09:08,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-02 18:09:08,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:09:08,160 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 6 treesize of output 5 [2023-12-02 18:09:08,195 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-12-02 18:09:08,206 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 18:09:08,206 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-12-02 18:09:08,214 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 18:09:08,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 15 treesize of output 15 [2023-12-02 18:09:08,330 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 55 [2023-12-02 18:09:08,340 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 18:09:08,340 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 64 [2023-12-02 18:09:08,344 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 16 treesize of output 1 [2023-12-02 18:09:08,346 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2023-12-02 18:09:08,349 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 24 treesize of output 11 [2023-12-02 18:09:08,378 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 23 treesize of output 11 [2023-12-02 18:09:08,381 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 7 treesize of output 3 [2023-12-02 18:09:08,384 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 24 treesize of output 12 [2023-12-02 18:09:08,410 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 15 treesize of output 1 [2023-12-02 18:09:08,413 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 20 treesize of output 15 [2023-12-02 18:09:08,416 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 [2023-12-02 18:09:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:09:08,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:09:08,507 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_667 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_667) |c_ULTIMATE.start_main_~prev~0#1.base|) (+ |c_ULTIMATE.start_main_~prev~0#1.offset| 4)) 1)) is different from false [2023-12-02 18:09:08,517 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_667 (Array Int Int)) (v_ArrVal_663 (Array Int Int))) (or (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_663) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_667) |c_ULTIMATE.start_main_~x~0#1.base|) (+ |c_ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (not (= v_ArrVal_663 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| (select v_ArrVal_663 |c_ULTIMATE.start_main_~x~0#1.offset|)))))) is different from false [2023-12-02 18:09:08,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:08,592 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 200 treesize of output 214 [2023-12-02 18:09:08,648 INFO L349 Elim1Store]: treesize reduction 24, result has 64.2 percent of original size [2023-12-02 18:09:08,649 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 5 case distinctions, treesize of input 187 treesize of output 240 [2023-12-02 18:09:08,692 INFO L349 Elim1Store]: treesize reduction 14, result has 65.0 percent of original size [2023-12-02 18:09:08,692 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 191 treesize of output 220 [2023-12-02 18:09:08,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:08,724 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2023-12-02 18:09:08,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2023-12-02 18:09:08,940 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 8 treesize of output 4 [2023-12-02 18:09:09,025 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 6 treesize of output 4 [2023-12-02 18:09:09,039 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 [2023-12-02 18:09:09,072 INFO L349 Elim1Store]: treesize reduction 61, result has 23.8 percent of original size [2023-12-02 18:09:09,072 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 2 case distinctions, treesize of input 233 treesize of output 226 [2023-12-02 18:09:09,080 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 206 treesize of output 202 [2023-12-02 18:09:09,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:09,093 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 202 treesize of output 206 [2023-12-02 18:09:09,101 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 197 treesize of output 193 [2023-12-02 18:09:09,114 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:09,114 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 193 treesize of output 197 [2023-12-02 18:09:09,170 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 6 treesize of output 4 [2023-12-02 18:09:09,205 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 6 treesize of output 4 [2023-12-02 18:09:09,249 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 8 treesize of output 6 [2023-12-02 18:09:09,260 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 8 treesize of output 6 [2023-12-02 18:09:09,289 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 8 treesize of output 6 [2023-12-02 18:09:09,319 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 8 treesize of output 6 [2023-12-02 18:09:09,393 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 [2023-12-02 18:09:09,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:09,428 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 106 treesize of output 110 [2023-12-02 18:09:09,432 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 84 treesize of output 80 [2023-12-02 18:09:09,465 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 [2023-12-02 18:09:09,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:09,472 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 62 treesize of output 62 [2023-12-02 18:09:09,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:09,563 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 32 [2023-12-02 18:09:09,571 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:09,571 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 81 treesize of output 60 [2023-12-02 18:09:09,575 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 39 treesize of output 35 [2023-12-02 18:09:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2023-12-02 18:09:09,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72180411] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:09:09,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1663077905] [2023-12-02 18:09:09,662 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:09:09,662 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:09:09,662 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:09:09,662 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:09:09,662 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:09:18,231 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:09:19,180 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1483#(and (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= 2 |ULTIMATE.start_main_~t1~0#1|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~t2~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~prev~0#1.offset|) (= |ULTIMATE.start_main_~prev~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~t2~0#1| 1)) (or (not (= |ULTIMATE.start_main_~x~0#1.base| 0)) (not (= |ULTIMATE.start_main_~x~0#1.offset| 0))))' at error location [2023-12-02 18:09:19,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:09:19,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:09:19,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2023-12-02 18:09:19,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248586773] [2023-12-02 18:09:19,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:09:19,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 18:09:19,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:09:19,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 18:09:19,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=679, Unknown=5, NotChecked=106, Total=870 [2023-12-02 18:09:19,183 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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) [2023-12-02 18:09:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:09:20,314 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2023-12-02 18:09:20,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 18:09:20,314 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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 [2023-12-02 18:09:20,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:09:20,315 INFO L225 Difference]: With dead ends: 67 [2023-12-02 18:09:20,315 INFO L226 Difference]: Without dead ends: 65 [2023-12-02 18:09:20,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=109, Invalid=886, Unknown=5, NotChecked=122, Total=1122 [2023-12-02 18:09:20,317 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 63 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 116 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:09:20,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 192 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 242 Invalid, 0 Unknown, 116 Unchecked, 0.9s Time] [2023-12-02 18:09:20,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-02 18:09:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 44. [2023-12-02 18:09:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 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) [2023-12-02 18:09:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2023-12-02 18:09:20,330 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 17 [2023-12-02 18:09:20,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:09:20,331 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2023-12-02 18:09:20,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 20 states have internal predecessors, (39), 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) [2023-12-02 18:09:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-12-02 18:09:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 18:09:20,332 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:09:20,332 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:09:20,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 18:09:20,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:09:20,532 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:09:20,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:09:20,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1146849576, now seen corresponding path program 2 times [2023-12-02 18:09:20,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:09:20,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875256589] [2023-12-02 18:09:20,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:09:20,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:09:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:09:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:09:21,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:09:21,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875256589] [2023-12-02 18:09:21,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875256589] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:09:21,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493555269] [2023-12-02 18:09:21,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 18:09:21,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:09:21,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:09:21,468 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:09:21,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b93bedf-3df9-449d-b897-fbd9af5170e3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 18:09:22,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 18:09:22,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:09:22,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-02 18:09:22,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:09:22,493 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 6 treesize of output 5 [2023-12-02 18:09:22,554 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-12-02 18:09:22,555 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 1 case distinctions, treesize of input 46 treesize of output 19 [2023-12-02 18:09:22,571 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-12-02 18:09:22,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 15 treesize of output 15 [2023-12-02 18:09:22,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 11 [2023-12-02 18:09:22,801 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 18:09:22,804 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-02 18:09:22,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 18:09:22,810 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-02 18:09:22,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:09:22,820 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 0 case distinctions, treesize of input 67 treesize of output 52 [2023-12-02 18:09:22,852 INFO L349 Elim1Store]: treesize reduction 112, result has 18.2 percent of original size [2023-12-02 18:09:22,853 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 144 treesize of output 99 [2023-12-02 18:09:22,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:09:22,889 INFO L349 Elim1Store]: treesize reduction 37, result has 36.2 percent of original size [2023-12-02 18:09:22,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 25 [2023-12-02 18:09:22,902 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 18 treesize of output 11 [2023-12-02 18:09:22,967 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-12-02 18:09:22,968 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 40 [2023-12-02 18:09:22,975 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 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-02 18:09:22,980 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 30 treesize of output 22 [2023-12-02 18:09:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:09:23,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:09:23,045 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (and (forall ((v_ArrVal_852 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_852) .cse0) .cse1) 0)) (forall ((v_ArrVal_851 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_851) .cse0) .cse1) 0)))) is different from false [2023-12-02 18:09:23,171 INFO L349 Elim1Store]: treesize reduction 14, result has 69.6 percent of original size [2023-12-02 18:09:23,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 243 treesize of output 284 [2023-12-02 18:09:23,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2023-12-02 18:09:23,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2023-12-02 18:09:23,762 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 37 treesize of output 35 [2023-12-02 18:09:23,800 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse11 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse9 (select .cse11 |c_ULTIMATE.start_main_~x~0#1.offset|))) (let ((.cse5 (= .cse9 0)) (.cse34 (select |c_#memory_$Pointer$.base| .cse9)) (.cse18 (= .cse9 |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse0 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse12 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (and (or (not (= (select .cse0 |c_ULTIMATE.start_main_~x~0#1.offset|) 0)) (and (forall ((|v_ULTIMATE.start_main_~x~0#1.base_151| Int)) (or (= |v_ULTIMATE.start_main_~x~0#1.base_151| 0) (= |v_ULTIMATE.start_main_~x~0#1.base_151| |c_ULTIMATE.start_main_~x~0#1.base|) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int)) (v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int)) (v_ArrVal_852 (Array Int Int))) (= (select (let ((.cse1 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_99) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_100))) (select (store .cse1 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse1 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_101) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_102) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)))) (or (= 0 |c_ULTIMATE.start_main_~x~0#1.base|) (and (forall ((v_DerPreprocessor_97 (Array Int Int)) (v_DerPreprocessor_98 (Array Int Int)) (v_ArrVal_852 (Array Int Int))) (= (select (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_98))) (select (store .cse2 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse2 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_97) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)) (forall ((v_DerPreprocessor_97 (Array Int Int)) (v_DerPreprocessor_98 (Array Int Int)) (v_ArrVal_851 (Array Int Int))) (= (let ((.cse3 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_97))) (select (select (store .cse3 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_98) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)))) (forall ((|v_ULTIMATE.start_main_~x~0#1.base_151| Int)) (or (= |v_ULTIMATE.start_main_~x~0#1.base_151| 0) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int)) (v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int)) (v_ArrVal_851 (Array Int Int))) (= (let ((.cse4 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_101) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_102))) (select (select (store .cse4 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_DerPreprocessor_99) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_100) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse4 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) (= |v_ULTIMATE.start_main_~x~0#1.base_151| |c_ULTIMATE.start_main_~x~0#1.base|)))) (not .cse5)) (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse6 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse6 0) (= (let ((.cse10 (+ .cse6 4))) (let ((.cse7 (let ((.cse13 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse13 .cse9 (store (select .cse13 .cse9) .cse10 v_prenex_44))))) (select (select (store .cse7 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse11 .cse12 v_DerPreprocessor_104)))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse7 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0) (= .cse6 |c_ULTIMATE.start_main_~x~0#1.offset|) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12))))))) (or (and (or (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (or (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))) (= 0 (let ((.cse16 (+ (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|) 4))) (select (let ((.cse14 (let ((.cse15 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse11 .cse12 v_DerPreprocessor_104)))) (store .cse15 .cse9 (store (select .cse15 .cse9) .cse16 v_DerPreprocessor_105))))) (select (store .cse14 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse14 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse17 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse17 .cse9 (store (select .cse17 .cse9) .cse16 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) .cse18) (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse19 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse19 |c_ULTIMATE.start_main_~x~0#1.offset|) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))) (= 0 (let ((.cse22 (+ .cse19 4))) (select (let ((.cse20 (let ((.cse21 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse11 .cse12 v_DerPreprocessor_104)))) (store .cse21 .cse9 (store (select .cse21 .cse9) .cse22 v_DerPreprocessor_105))))) (select (store .cse20 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse20 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse23 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse23 .cse9 (store (select .cse23 .cse9) .cse22 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) (or .cse18 (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (or (= (let ((.cse26 (+ (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|) 4))) (let ((.cse24 (let ((.cse27 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse27 .cse9 (store (select .cse27 .cse9) .cse26 v_prenex_44))))) (select (select (store .cse24 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse25 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse11 .cse12 v_DerPreprocessor_104)))) (store .cse25 .cse9 (store (select .cse25 .cse9) .cse26 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse24 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12))))))) (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse32 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= (let ((.cse30 (+ .cse32 4))) (let ((.cse28 (let ((.cse31 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse31 .cse9 (store (select .cse31 .cse9) .cse30 v_prenex_44))))) (select (select (store .cse28 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse29 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse11 .cse12 v_DerPreprocessor_104)))) (store .cse29 .cse9 (store (select .cse29 .cse9) .cse30 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse28 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0) (= .cse32 |c_ULTIMATE.start_main_~x~0#1.offset|) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12))))))) (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse37 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (forall ((v_DerPreprocessor_103 Int) (v_ArrVal_852 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= 0 (let ((.cse35 (+ .cse37 4))) (select (let ((.cse33 (store |c_#memory_$Pointer$.base| .cse9 (store .cse34 .cse35 v_DerPreprocessor_106)))) (select (store .cse33 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse33 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse36 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse36 .cse9 (store (select .cse36 .cse9) .cse35 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))) (not (= .cse37 |c_ULTIMATE.start_main_~x~0#1.offset|))))) (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse41 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))) (forall ((v_prenex_45 Int) (v_ArrVal_851 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= (let ((.cse39 (+ .cse41 4))) (let ((.cse38 (let ((.cse40 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse40 .cse9 (store (select .cse40 .cse9) .cse39 v_prenex_45))))) (select (select (store .cse38 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store |c_#memory_$Pointer$.base| .cse9 (store .cse34 .cse39 v_DerPreprocessor_106)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse38 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0)) (not (= .cse41 |c_ULTIMATE.start_main_~x~0#1.offset|)))))) .cse5) (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse42 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse42 0) (forall ((v_DerPreprocessor_103 Int) (v_ArrVal_852 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= 0 (let ((.cse44 (+ .cse42 4))) (select (let ((.cse43 (store |c_#memory_$Pointer$.base| .cse9 (store .cse34 .cse44 v_DerPreprocessor_106)))) (select (store .cse43 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse43 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse45 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse45 .cse9 (store (select .cse45 .cse9) .cse44 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))) (not (= .cse42 |c_ULTIMATE.start_main_~x~0#1.offset|))))) (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse46 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse46 0) (= .cse46 |c_ULTIMATE.start_main_~x~0#1.offset|) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))) (= 0 (let ((.cse49 (+ .cse46 4))) (select (let ((.cse47 (let ((.cse48 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse11 .cse12 v_DerPreprocessor_104)))) (store .cse48 .cse9 (store (select .cse48 .cse9) .cse49 v_DerPreprocessor_105))))) (select (store .cse47 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse47 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse50 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse50 .cse9 (store (select .cse50 .cse9) .cse49 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse51 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse51 0) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))) (forall ((v_prenex_45 Int) (v_ArrVal_851 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= (let ((.cse53 (+ .cse51 4))) (let ((.cse52 (let ((.cse54 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse54 .cse9 (store (select .cse54 .cse9) .cse53 v_prenex_45))))) (select (select (store .cse52 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store |c_#memory_$Pointer$.base| .cse9 (store .cse34 .cse53 v_DerPreprocessor_106)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse52 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0)) (not (= .cse51 |c_ULTIMATE.start_main_~x~0#1.offset|))))) (or .cse18 (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse55 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse55 0) (= (let ((.cse58 (+ .cse55 4))) (let ((.cse56 (let ((.cse59 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse59 .cse9 (store (select .cse59 .cse9) .cse58 v_prenex_44))))) (select (select (store .cse56 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse57 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse11 .cse12 v_DerPreprocessor_104)))) (store .cse57 .cse9 (store (select .cse57 .cse9) .cse58 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse56 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))))))) (or .cse18 (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse60 (select v_ArrVal_848 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (= .cse60 0) (not (= v_ArrVal_848 (store .cse0 .cse12 (select v_ArrVal_848 .cse12)))) (= 0 (let ((.cse63 (+ .cse60 4))) (select (let ((.cse61 (let ((.cse62 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store .cse11 .cse12 v_DerPreprocessor_104)))) (store .cse62 .cse9 (store (select .cse62 .cse9) .cse63 v_DerPreprocessor_105))))) (select (store .cse61 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse61 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse64 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_848))) (store .cse64 .cse9 (store (select .cse64 .cse9) .cse63 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))))))))) is different from false [2023-12-02 18:09:26,182 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 14 treesize of output 12 [2023-12-02 18:09:26,185 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 12 treesize of output 10 [2023-12-02 18:09:26,190 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 14 treesize of output 12 [2023-12-02 18:09:26,193 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 12 treesize of output 10 [2023-12-02 18:09:26,422 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|))) (let ((.cse2 (select .cse12 |c_ULTIMATE.start_main_~head~0#1.offset|))) (let ((.cse3 (select |c_#memory_$Pointer$.base| .cse2)) (.cse41 (= .cse2 0)) (.cse6 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse7 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) (.cse22 (= .cse2 |c_ULTIMATE.start_main_~head~0#1.base|))) (and (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse0 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse0 0) (forall ((v_DerPreprocessor_103 Int) (v_ArrVal_852 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= (let ((.cse4 (+ .cse0 4))) (select (let ((.cse1 (store |c_#memory_$Pointer$.base| .cse2 (store .cse3 .cse4 v_DerPreprocessor_106)))) (select (store .cse1 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse1 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse5 .cse2 (store (select .cse5 .cse2) .cse4 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (not (= .cse0 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse8 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse8 0) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|) (= (let ((.cse13 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse11 (+ .cse8 4))) (let ((.cse9 (store (select .cse13 .cse2) .cse11 v_prenex_44))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse9) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse10 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (store .cse10 .cse2 (store (select .cse10 .cse2) .cse11 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse13 .cse2 .cse9) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0)))) (or (and (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse17 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (forall ((v_prenex_45 Int) (v_ArrVal_851 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= 0 (let ((.cse16 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse15 (+ .cse17 4))) (let ((.cse14 (store (select .cse16 .cse2) .cse15 v_prenex_45))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse14) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store |c_#memory_$Pointer$.base| .cse2 (store .cse3 .cse15 v_DerPreprocessor_106)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse16 .cse2 .cse14) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (not (= .cse17 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (or (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (or (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= (let ((.cse20 (+ (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|) 4))) (select (let ((.cse19 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (let ((.cse18 (store (select .cse19 .cse2) .cse20 v_DerPreprocessor_105))) (select (store (store |c_#memory_$Pointer$.base| .cse2 .cse18) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store .cse19 .cse2 .cse18) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (select (select (let ((.cse21 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse21 .cse2 (store (select .cse21 .cse2) .cse20 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))) .cse22) (or (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (or (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= (let ((.cse26 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse25 (+ (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|) 4))) (let ((.cse23 (store (select .cse26 .cse2) .cse25 v_prenex_44))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse23) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse24 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (store .cse24 .cse2 (store (select .cse24 .cse2) .cse25 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse26 .cse2 .cse23) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0))) .cse22) (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse27 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= .cse27 |c_ULTIMATE.start_main_~head~0#1.offset|) (= (let ((.cse31 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse30 (+ .cse27 4))) (let ((.cse28 (store (select .cse31 .cse2) .cse30 v_prenex_44))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse28) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse29 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (store .cse29 .cse2 (store (select .cse29 .cse2) .cse30 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse31 .cse2 .cse28) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0)))) (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse35 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (forall ((v_DerPreprocessor_103 Int) (v_ArrVal_852 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= (let ((.cse33 (+ .cse35 4))) (select (let ((.cse32 (store |c_#memory_$Pointer$.base| .cse2 (store .cse3 .cse33 v_DerPreprocessor_106)))) (select (store .cse32 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse32 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse34 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse34 .cse2 (store (select .cse34 .cse2) .cse33 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (not (= .cse35 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse36 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= .cse36 |c_ULTIMATE.start_main_~head~0#1.offset|) (= (let ((.cse39 (+ .cse36 4))) (select (let ((.cse38 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (let ((.cse37 (store (select .cse38 .cse2) .cse39 v_DerPreprocessor_105))) (select (store (store |c_#memory_$Pointer$.base| .cse2 .cse37) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store .cse38 .cse2 .cse37) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (select (select (let ((.cse40 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse40 .cse2 (store (select .cse40 .cse2) .cse39 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))))) .cse41) (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse42 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse42 0) (forall ((v_prenex_45 Int) (v_ArrVal_851 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= 0 (let ((.cse45 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse44 (+ .cse42 4))) (let ((.cse43 (store (select .cse45 .cse2) .cse44 v_prenex_45))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse43) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store |c_#memory_$Pointer$.base| .cse2 (store .cse3 .cse44 v_DerPreprocessor_106)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse45 .cse2 .cse43) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (not (= .cse42 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (or (not (= (select .cse6 |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) (not .cse41) (and (or (= |c_ULTIMATE.start_main_~head~0#1.base| 0) (and (forall ((v_arrayElimCell_124 Int) (v_arrayElimCell_125 Int) (v_ArrVal_851 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) v_arrayElimCell_124) v_arrayElimCell_125) 0)) (forall ((v_arrayElimCell_122 Int) (v_arrayElimCell_123 Int) (v_ArrVal_852 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) v_arrayElimCell_122) v_arrayElimCell_123) 0)))) (forall ((|v_ULTIMATE.start_main_~x~0#1.base_151| Int)) (or (= |v_ULTIMATE.start_main_~x~0#1.base_151| 0) (= |v_ULTIMATE.start_main_~x~0#1.base_151| |c_ULTIMATE.start_main_~head~0#1.base|) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int)) (v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int)) (v_ArrVal_851 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_102) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| v_DerPreprocessor_99) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_100) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_DerPreprocessor_101) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_102) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)))) (forall ((|v_ULTIMATE.start_main_~x~0#1.base_151| Int)) (or (= |v_ULTIMATE.start_main_~x~0#1.base_151| 0) (= |v_ULTIMATE.start_main_~x~0#1.base_151| |c_ULTIMATE.start_main_~head~0#1.base|) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int)) (v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int)) (v_ArrVal_852 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_100) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| v_DerPreprocessor_99) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_100) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_DerPreprocessor_101) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_102) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)))))) (or .cse22 (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse46 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse46 0) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= (let ((.cse49 (+ .cse46 4))) (select (let ((.cse48 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (let ((.cse47 (store (select .cse48 .cse2) .cse49 v_DerPreprocessor_105))) (select (store (store |c_#memory_$Pointer$.base| .cse2 .cse47) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store .cse48 .cse2 .cse47) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (select (select (let ((.cse50 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse50 .cse2 (store (select .cse50 .cse2) .cse49 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))))) (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse51 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse51 0) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= .cse51 |c_ULTIMATE.start_main_~head~0#1.offset|) (= (let ((.cse54 (+ .cse51 4))) (select (let ((.cse53 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (let ((.cse52 (store (select .cse53 .cse2) .cse54 v_DerPreprocessor_105))) (select (store (store |c_#memory_$Pointer$.base| .cse2 .cse52) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store .cse53 .cse2 .cse52) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (select (select (let ((.cse55 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse55 .cse2 (store (select .cse55 .cse2) .cse54 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)))) (or (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse56 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse56 0) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= (let ((.cse60 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse59 (+ .cse56 4))) (let ((.cse57 (store (select .cse60 .cse2) .cse59 v_prenex_44))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse57) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse58 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (store .cse58 .cse2 (store (select .cse58 .cse2) .cse59 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse60 .cse2 .cse57) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0)))) .cse22))))) is different from false [2023-12-02 18:09:28,430 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|))) (let ((.cse2 (select .cse12 |c_ULTIMATE.start_main_~head~0#1.offset|))) (let ((.cse3 (select |c_#memory_$Pointer$.base| .cse2)) (.cse41 (= .cse2 0)) (.cse6 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|)) (.cse7 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) (.cse22 (= .cse2 |c_ULTIMATE.start_main_~head~0#1.base|))) (and (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse0 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse0 0) (forall ((v_DerPreprocessor_103 Int) (v_ArrVal_852 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= (let ((.cse4 (+ .cse0 4))) (select (let ((.cse1 (store |c_#memory_$Pointer$.base| .cse2 (store .cse3 .cse4 v_DerPreprocessor_106)))) (select (store .cse1 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse1 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse5 .cse2 (store (select .cse5 .cse2) .cse4 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (not (= .cse0 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse8 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse8 0) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= .cse8 |c_ULTIMATE.start_main_~head~0#1.offset|) (= (let ((.cse13 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse11 (+ .cse8 4))) (let ((.cse9 (store (select .cse13 .cse2) .cse11 v_prenex_44))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse9) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse10 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (store .cse10 .cse2 (store (select .cse10 .cse2) .cse11 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse13 .cse2 .cse9) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0)))) (or (and (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse17 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (forall ((v_prenex_45 Int) (v_ArrVal_851 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= 0 (let ((.cse16 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse15 (+ .cse17 4))) (let ((.cse14 (store (select .cse16 .cse2) .cse15 v_prenex_45))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse14) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store |c_#memory_$Pointer$.base| .cse2 (store .cse3 .cse15 v_DerPreprocessor_106)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse16 .cse2 .cse14) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (not (= .cse17 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (or (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (or (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= (let ((.cse20 (+ (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|) 4))) (select (let ((.cse19 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (let ((.cse18 (store (select .cse19 .cse2) .cse20 v_DerPreprocessor_105))) (select (store (store |c_#memory_$Pointer$.base| .cse2 .cse18) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store .cse19 .cse2 .cse18) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (select (select (let ((.cse21 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse21 .cse2 (store (select .cse21 .cse2) .cse20 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))) .cse22) (or (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (or (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= (let ((.cse26 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse25 (+ (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|) 4))) (let ((.cse23 (store (select .cse26 .cse2) .cse25 v_prenex_44))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse23) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse24 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (store .cse24 .cse2 (store (select .cse24 .cse2) .cse25 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse26 .cse2 .cse23) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0))) .cse22) (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse27 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= .cse27 |c_ULTIMATE.start_main_~head~0#1.offset|) (= (let ((.cse31 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse30 (+ .cse27 4))) (let ((.cse28 (store (select .cse31 .cse2) .cse30 v_prenex_44))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse28) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse29 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (store .cse29 .cse2 (store (select .cse29 .cse2) .cse30 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse31 .cse2 .cse28) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0)))) (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse35 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (forall ((v_DerPreprocessor_103 Int) (v_ArrVal_852 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= (let ((.cse33 (+ .cse35 4))) (select (let ((.cse32 (store |c_#memory_$Pointer$.base| .cse2 (store .cse3 .cse33 v_DerPreprocessor_106)))) (select (store .cse32 |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select .cse32 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (let ((.cse34 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse34 .cse2 (store (select .cse34 .cse2) .cse33 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (not (= .cse35 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse36 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= .cse36 |c_ULTIMATE.start_main_~head~0#1.offset|) (= (let ((.cse39 (+ .cse36 4))) (select (let ((.cse38 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (let ((.cse37 (store (select .cse38 .cse2) .cse39 v_DerPreprocessor_105))) (select (store (store |c_#memory_$Pointer$.base| .cse2 .cse37) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store .cse38 .cse2 .cse37) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (select (select (let ((.cse40 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse40 .cse2 (store (select .cse40 .cse2) .cse39 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))))) .cse41) (forall ((v_ArrVal_848 (Array Int Int))) (let ((.cse42 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse42 0) (forall ((v_prenex_45 Int) (v_ArrVal_851 (Array Int Int)) (v_DerPreprocessor_106 Int)) (= 0 (let ((.cse45 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse44 (+ .cse42 4))) (let ((.cse43 (store (select .cse45 .cse2) .cse44 v_prenex_45))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse43) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store |c_#memory_$Pointer$.base| .cse2 (store .cse3 .cse44 v_DerPreprocessor_106)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse45 .cse2 .cse43) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (not (= .cse42 |c_ULTIMATE.start_main_~head~0#1.offset|))))) (or (not (= (select .cse6 |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) (not .cse41) (and (or (= |c_ULTIMATE.start_main_~head~0#1.base| 0) (and (forall ((v_arrayElimCell_124 Int) (v_arrayElimCell_125 Int) (v_ArrVal_851 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) v_arrayElimCell_124) v_arrayElimCell_125) 0)) (forall ((v_arrayElimCell_122 Int) (v_arrayElimCell_123 Int) (v_ArrVal_852 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) v_arrayElimCell_122) v_arrayElimCell_123) 0)))) (forall ((|v_ULTIMATE.start_main_~x~0#1.base_151| Int)) (or (= |v_ULTIMATE.start_main_~x~0#1.base_151| 0) (= |v_ULTIMATE.start_main_~x~0#1.base_151| |c_ULTIMATE.start_main_~head~0#1.base|) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int)) (v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int)) (v_ArrVal_851 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_102) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| v_DerPreprocessor_99) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_100) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_DerPreprocessor_101) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_102) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)))) (forall ((|v_ULTIMATE.start_main_~x~0#1.base_151| Int)) (or (= |v_ULTIMATE.start_main_~x~0#1.base_151| 0) (= |v_ULTIMATE.start_main_~x~0#1.base_151| |c_ULTIMATE.start_main_~head~0#1.base|) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int)) (v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int)) (v_ArrVal_852 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_100) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| v_DerPreprocessor_99) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_100) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_DerPreprocessor_101) |v_ULTIMATE.start_main_~x~0#1.base_151| v_DerPreprocessor_102) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0)))))) (or .cse22 (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse46 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse46 0) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= (let ((.cse49 (+ .cse46 4))) (select (let ((.cse48 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (let ((.cse47 (store (select .cse48 .cse2) .cse49 v_DerPreprocessor_105))) (select (store (store |c_#memory_$Pointer$.base| .cse2 .cse47) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store .cse48 .cse2 .cse47) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (select (select (let ((.cse50 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse50 .cse2 (store (select .cse50 .cse2) .cse49 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))))) (forall ((v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_103 Int) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_852 (Array Int Int))) (let ((.cse51 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse51 0) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= .cse51 |c_ULTIMATE.start_main_~head~0#1.offset|) (= (let ((.cse54 (+ .cse51 4))) (select (let ((.cse53 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (let ((.cse52 (store (select .cse53 .cse2) .cse54 v_DerPreprocessor_105))) (select (store (store |c_#memory_$Pointer$.base| .cse2 .cse52) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_852) (select (select (store .cse53 .cse2 .cse52) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (select (select (let ((.cse55 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848))) (store .cse55 .cse2 (store (select .cse55 .cse2) .cse54 v_DerPreprocessor_103))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)))) (or (forall ((v_prenex_44 Int) (v_ArrVal_848 (Array Int Int)) (v_DerPreprocessor_104 Int) (v_DerPreprocessor_105 Int) (v_ArrVal_851 (Array Int Int))) (let ((.cse56 (select v_ArrVal_848 |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= .cse56 0) (not (= v_ArrVal_848 (store .cse6 .cse7 (select v_ArrVal_848 .cse7)))) (= (let ((.cse60 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_848)) (.cse59 (+ .cse56 4))) (let ((.cse57 (store (select .cse60 .cse2) .cse59 v_prenex_44))) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 .cse57) |c_ULTIMATE.start_main_~head~0#1.base| v_ArrVal_851) (select (select (let ((.cse58 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store .cse12 .cse7 v_DerPreprocessor_104)))) (store .cse58 .cse2 (store (select .cse58 .cse2) .cse59 v_DerPreprocessor_105))) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select (store .cse60 .cse2 .cse57) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0)))) .cse22))))) is different from true [2023-12-02 18:09:33,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:09:33,003 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 4625 treesize of output 3521 [2023-12-02 18:13:09,281 WARN L293 SmtUtils]: Spent 3.60m on a formula simplification. DAG size of input: 62 DAG size of output: 48 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 18:13:09,282 INFO L349 Elim1Store]: treesize reduction 156, result has 36.8 percent of original size [2023-12-02 18:13:09,283 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 4785 treesize of output 3048