./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:02:37,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:02:37,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-24 22:02:37,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:02:37,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:02:37,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:02:37,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:02:37,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:02:37,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 22:02:37,503 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 22:02:37,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:02:37,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:02:37,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:02:37,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:02:37,507 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:02:37,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:02:37,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:02:37,509 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:02:37,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:02:37,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:02:37,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:02:37,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:02:37,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:02:37,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:02:37,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:02:37,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:02:37,519 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:02:37,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:02:37,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:02:37,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 22:02:37,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:02:37,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 22:02:37,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:02:37,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:02:37,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:02:37,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:02:37,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:02:37,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:02:37,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 22:02:37,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:02:37,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 22:02:37,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:02:37,528 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 [2023-11-24 22:02:37,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:02:37,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:02:37,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:02:37,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:02:37,882 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:02:37,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2023-11-24 22:02:41,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:02:41,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:02:41,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2023-11-24 22:02:41,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/data/4d29e9c8f/f60648b07d6d450e999147ba7d63e6f9/FLAG73c0098bc [2023-11-24 22:02:41,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/data/4d29e9c8f/f60648b07d6d450e999147ba7d63e6f9 [2023-11-24 22:02:41,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:02:41,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:02:41,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:02:41,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:02:41,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:02:41,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c5872e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41, skipping insertion in model container [2023-11-24 22:02:41,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:02:41,612 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_abdaa420-3da3-4226-9d05-41a26d9e1c39/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c[321,334] [2023-11-24 22:02:41,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:02:41,640 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:02:41,649 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_abdaa420-3da3-4226-9d05-41a26d9e1c39/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c[321,334] [2023-11-24 22:02:41,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:02:41,670 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:02:41,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41 WrapperNode [2023-11-24 22:02:41,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:02:41,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:02:41,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:02:41,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:02:41,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,710 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-24 22:02:41,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:02:41,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:02:41,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:02:41,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:02:41,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,737 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2023-11-24 22:02:41,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:02:41,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:02:41,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:02:41,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:02:41,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (1/1) ... [2023-11-24 22:02:41,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 22:02:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:41,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 22:02:41,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 22:02:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:02:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-24 22:02:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-24 22:02:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-24 22:02:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:02:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-24 22:02:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-24 22:02:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-24 22:02:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:02:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:02:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-24 22:02:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-24 22:02:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-24 22:02:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:02:41,940 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:02:41,943 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:02:42,143 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:02:42,197 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:02:42,197 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 22:02:42,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:02:42 BoogieIcfgContainer [2023-11-24 22:02:42,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:02:42,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:02:42,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:02:42,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:02:42,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:02:41" (1/3) ... [2023-11-24 22:02:42,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18673eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:02:42, skipping insertion in model container [2023-11-24 22:02:42,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:41" (2/3) ... [2023-11-24 22:02:42,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18673eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:02:42, skipping insertion in model container [2023-11-24 22:02:42,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:02:42" (3/3) ... [2023-11-24 22:02:42,209 INFO L112 eAbstractionObserver]: Analyzing ICFG rev-2-n-u.c [2023-11-24 22:02:42,231 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:02:42,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 22:02:42,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 22:02:42,297 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=PETRI_NET, 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;@6360ebdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:02:42,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 22:02:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.875) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:02:42,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:02:42,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:02:42,309 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:02:42,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:42,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1021079152, now seen corresponding path program 1 times [2023-11-24 22:02:42,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:02:42,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185368679] [2023-11-24 22:02:42,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:42,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:02:42,422 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:02:42,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826979425] [2023-11-24 22:02:42,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:42,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:42,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:42,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:02:42,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 22:02:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:02:42,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:02:42,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:02:42,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:02:42,668 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:02:42,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:02:42,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185368679] [2023-11-24 22:02:42,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:02:42,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826979425] [2023-11-24 22:02:42,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826979425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:02:42,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:02:42,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:02:42,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509760448] [2023-11-24 22:02:42,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:02:42,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:02:42,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:02:42,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:02:42,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:02:42,758 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.875) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:42,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 22:02:42,825 INFO L93 Difference]: Finished difference Result 38 states and 66 transitions. [2023-11-24 22:02:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:02:42,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-24 22:02:42,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 22:02:42,836 INFO L225 Difference]: With dead ends: 38 [2023-11-24 22:02:42,836 INFO L226 Difference]: Without dead ends: 19 [2023-11-24 22:02:42,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:02:42,843 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 22:02:42,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 22:02:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-24 22:02:42,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2023-11-24 22:02:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2023-11-24 22:02:42,879 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 9 [2023-11-24 22:02:42,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 22:02:42,880 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2023-11-24 22:02:42,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-24 22:02:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:02:42,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:02:42,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:02:42,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-24 22:02:43,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 22:02:43,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:02:43,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:43,089 INFO L85 PathProgramCache]: Analyzing trace with hash -109940317, now seen corresponding path program 1 times [2023-11-24 22:02:43,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:02:43,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771048328] [2023-11-24 22:02:43,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:43,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:02:43,117 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:02:43,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962884595] [2023-11-24 22:02:43,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:43,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:43,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:43,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:02:43,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 22:02:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:02:43,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:02:43,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:02:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:02:43,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:02:43,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:02:43,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771048328] [2023-11-24 22:02:43,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:02:43,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962884595] [2023-11-24 22:02:43,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962884595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:02:43,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:02:43,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 22:02:43,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319673337] [2023-11-24 22:02:43,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:02:43,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 22:02:43,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:02:43,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 22:02:43,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 22:02:43,230 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:43,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 22:02:43,293 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2023-11-24 22:02:43,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 22:02:43,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-24 22:02:43,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 22:02:43,297 INFO L225 Difference]: With dead ends: 42 [2023-11-24 22:02:43,297 INFO L226 Difference]: Without dead ends: 27 [2023-11-24 22:02:43,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 22:02:43,302 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 23 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 22:02:43,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 22:02:43,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-24 22:02:43,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2023-11-24 22:02:43,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-11-24 22:02:43,321 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 12 [2023-11-24 22:02:43,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 22:02:43,322 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-24 22:02:43,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-24 22:02:43,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:02:43,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:02:43,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:02:43,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:02:43,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:43,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:02:43,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:43,533 INFO L85 PathProgramCache]: Analyzing trace with hash 201196895, now seen corresponding path program 1 times [2023-11-24 22:02:43,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:02:43,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124560066] [2023-11-24 22:02:43,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:43,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:02:43,553 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:02:43,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509184688] [2023-11-24 22:02:43,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:43,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:43,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:43,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:02:43,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 22:02:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:02:43,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:02:43,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:02:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:02:43,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:02:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:02:43,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:02:43,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124560066] [2023-11-24 22:02:43,708 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:02:43,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509184688] [2023-11-24 22:02:43,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509184688] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:02:43,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-24 22:02:43,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-24 22:02:43,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319518263] [2023-11-24 22:02:43,709 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-24 22:02:43,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 22:02:43,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:02:43,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 22:02:43,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-24 22:02:43,711 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:43,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 22:02:43,823 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2023-11-24 22:02:43,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 22:02:43,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-24 22:02:43,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 22:02:43,825 INFO L225 Difference]: With dead ends: 62 [2023-11-24 22:02:43,825 INFO L226 Difference]: Without dead ends: 44 [2023-11-24 22:02:43,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-11-24 22:02:43,827 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 77 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 22:02:43,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 37 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 22:02:43,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-24 22:02:43,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 35. [2023-11-24 22:02:43,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2023-11-24 22:02:43,837 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 13 [2023-11-24 22:02:43,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 22:02:43,838 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2023-11-24 22:02:43,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-24 22:02:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:02:43,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:02:43,839 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:02:43,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:02:44,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:44,045 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:02:44,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash 160923811, now seen corresponding path program 2 times [2023-11-24 22:02:44,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:02:44,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500334877] [2023-11-24 22:02:44,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:02:44,059 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:02:44,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433433352] [2023-11-24 22:02:44,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 22:02:44,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:44,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:44,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:02:44,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 22:02:44,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 22:02:44,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:02:44,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:02:44,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:02:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:02:44,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:02:44,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:02:44,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500334877] [2023-11-24 22:02:44,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:02:44,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433433352] [2023-11-24 22:02:44,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433433352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:02:44,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:02:44,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 22:02:44,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347379442] [2023-11-24 22:02:44,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:02:44,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 22:02:44,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:02:44,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 22:02:44,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 22:02:44,179 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:44,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 22:02:44,233 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2023-11-24 22:02:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 22:02:44,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-24 22:02:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 22:02:44,236 INFO L225 Difference]: With dead ends: 83 [2023-11-24 22:02:44,236 INFO L226 Difference]: Without dead ends: 65 [2023-11-24 22:02:44,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-24 22:02:44,238 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 39 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 22:02:44,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 16 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 22:02:44,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-24 22:02:44,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 36. [2023-11-24 22:02:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2023-11-24 22:02:44,250 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 16 [2023-11-24 22:02:44,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 22:02:44,251 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2023-11-24 22:02:44,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-24 22:02:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:02:44,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:02:44,252 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:02:44,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:02:44,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:44,458 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:02:44,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:44,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1512840420, now seen corresponding path program 1 times [2023-11-24 22:02:44,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:02:44,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799823014] [2023-11-24 22:02:44,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:44,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:02:44,487 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:02:44,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1979454487] [2023-11-24 22:02:44,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:44,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:44,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:44,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:02:44,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 22:02:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:02:44,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:02:44,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:02:44,728 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:02:44,728 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:02:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:02:44,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:02:44,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799823014] [2023-11-24 22:02:44,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:02:44,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979454487] [2023-11-24 22:02:44,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979454487] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:02:44,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-24 22:02:44,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-11-24 22:02:44,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481301904] [2023-11-24 22:02:44,836 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-24 22:02:44,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-24 22:02:44,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:02:44,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-24 22:02:44,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2023-11-24 22:02:44,840 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:45,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 22:02:45,118 INFO L93 Difference]: Finished difference Result 119 states and 150 transitions. [2023-11-24 22:02:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-24 22:02:45,119 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-24 22:02:45,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 22:02:45,124 INFO L225 Difference]: With dead ends: 119 [2023-11-24 22:02:45,124 INFO L226 Difference]: Without dead ends: 85 [2023-11-24 22:02:45,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2023-11-24 22:02:45,127 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 178 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 22:02:45,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 60 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 22:02:45,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-24 22:02:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 66. [2023-11-24 22:02:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2023-11-24 22:02:45,167 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 23 [2023-11-24 22:02:45,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 22:02:45,167 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2023-11-24 22:02:45,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2023-11-24 22:02:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:02:45,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:02:45,169 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:02:45,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-24 22:02:45,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:45,385 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:02:45,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:45,386 INFO L85 PathProgramCache]: Analyzing trace with hash -613040220, now seen corresponding path program 2 times [2023-11-24 22:02:45,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:02:45,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282860819] [2023-11-24 22:02:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:45,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:02:45,416 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:02:45,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431339908] [2023-11-24 22:02:45,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 22:02:45,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:45,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:45,419 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:02:45,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 22:02:45,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 22:02:45,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:02:45,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:02:45,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:02:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:02:45,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:02:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:02:46,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:02:46,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282860819] [2023-11-24 22:02:46,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:02:46,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431339908] [2023-11-24 22:02:46,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431339908] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:02:46,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-24 22:02:46,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2023-11-24 22:02:46,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888376027] [2023-11-24 22:02:46,047 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-24 22:02:46,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-24 22:02:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:02:46,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-24 22:02:46,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=347, Unknown=0, NotChecked=0, Total=650 [2023-11-24 22:02:46,050 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 26 states, 26 states have (on average 1.5) internal successors, (39), 25 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) [2023-11-24 22:02:46,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 22:02:46,671 INFO L93 Difference]: Finished difference Result 233 states and 288 transitions. [2023-11-24 22:02:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-24 22:02:46,671 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 25 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 35 [2023-11-24 22:02:46,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 22:02:46,673 INFO L225 Difference]: With dead ends: 233 [2023-11-24 22:02:46,674 INFO L226 Difference]: Without dead ends: 169 [2023-11-24 22:02:46,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=589, Invalid=743, Unknown=0, NotChecked=0, Total=1332 [2023-11-24 22:02:46,677 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 287 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-24 22:02:46,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 106 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-24 22:02:46,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-24 22:02:46,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 126. [2023-11-24 22:02:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.216) internal successors, (152), 125 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 152 transitions. [2023-11-24 22:02:46,728 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 152 transitions. Word has length 35 [2023-11-24 22:02:46,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 22:02:46,729 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 152 transitions. [2023-11-24 22:02:46,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 25 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) [2023-11-24 22:02:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 152 transitions. [2023-11-24 22:02:46,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:02:46,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:02:46,733 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:02:46,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-24 22:02:46,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-24 22:02:46,939 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:02:46,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:46,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1067390244, now seen corresponding path program 3 times [2023-11-24 22:02:46,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:02:46,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584240592] [2023-11-24 22:02:46,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:02:47,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:02:47,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109345549] [2023-11-24 22:02:47,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 22:02:47,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:47,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:47,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:02:47,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 22:02:47,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-24 22:02:47,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:02:47,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:02:47,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:02:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2023-11-24 22:02:47,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:02:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2023-11-24 22:02:47,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:02:47,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584240592] [2023-11-24 22:02:47,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:02:47,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109345549] [2023-11-24 22:02:47,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109345549] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:02:47,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-24 22:02:47,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-24 22:02:47,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400716990] [2023-11-24 22:02:47,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-24 22:02:47,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 22:02:47,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:02:47,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 22:02:47,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-24 22:02:47,474 INFO L87 Difference]: Start difference. First operand 126 states and 152 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:47,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 22:02:47,652 INFO L93 Difference]: Finished difference Result 589 states and 717 transitions. [2023-11-24 22:02:47,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 22:02:47,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 7 states have internal predecessors, (29), 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 59 [2023-11-24 22:02:47,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 22:02:47,656 INFO L225 Difference]: With dead ends: 589 [2023-11-24 22:02:47,656 INFO L226 Difference]: Without dead ends: 490 [2023-11-24 22:02:47,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-11-24 22:02:47,658 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 104 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 22:02:47,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 30 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 22:02:47,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2023-11-24 22:02:47,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 276. [2023-11-24 22:02:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 275 states have (on average 1.12) internal successors, (308), 275 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 308 transitions. [2023-11-24 22:02:47,720 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 308 transitions. Word has length 59 [2023-11-24 22:02:47,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 22:02:47,720 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 308 transitions. [2023-11-24 22:02:47,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:02:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 308 transitions. [2023-11-24 22:02:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-24 22:02:47,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 22:02:47,724 INFO L195 NwaCegarLoop]: trace histogram [88, 88, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:02:47,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-24 22:02:47,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-24 22:02:47,931 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 22:02:47,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:47,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1557367024, now seen corresponding path program 4 times [2023-11-24 22:02:47,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:02:47,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744134242] [2023-11-24 22:02:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:47,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:02:48,047 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:02:48,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3914880] [2023-11-24 22:02:48,048 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-24 22:02:48,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:02:48,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:48,049 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:02:48,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abdaa420-3da3-4226-9d05-41a26d9e1c39/bin/uautomizer-verify-NlZe1sFDwI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-24 22:02:56,639 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-24 22:02:56,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:02:56,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 334 conjunts are in the unsatisfiable core [2023-11-24 22:02:56,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:02:56,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2023-11-24 22:02:56,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:56,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:56,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:57,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:58,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-24 22:02:58,270 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,270 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 53 treesize of output 27 [2023-11-24 22:02:58,344 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,345 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 53 treesize of output 27 [2023-11-24 22:02:58,425 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,425 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 53 treesize of output 27 [2023-11-24 22:02:58,504 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,504 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 53 treesize of output 27 [2023-11-24 22:02:58,604 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,605 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 53 treesize of output 27 [2023-11-24 22:02:58,688 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,689 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 53 treesize of output 27 [2023-11-24 22:02:58,787 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,788 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 53 treesize of output 27 [2023-11-24 22:02:58,880 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,880 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 53 treesize of output 27 [2023-11-24 22:02:58,970 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:58,970 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 53 treesize of output 27 [2023-11-24 22:02:59,063 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,063 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 53 treesize of output 27 [2023-11-24 22:02:59,166 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,166 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 53 treesize of output 27 [2023-11-24 22:02:59,267 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,267 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 53 treesize of output 27 [2023-11-24 22:02:59,368 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,369 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 53 treesize of output 27 [2023-11-24 22:02:59,476 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,476 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 53 treesize of output 27 [2023-11-24 22:02:59,598 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,599 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 53 treesize of output 27 [2023-11-24 22:02:59,696 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,697 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 53 treesize of output 27 [2023-11-24 22:02:59,794 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,795 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 53 treesize of output 27 [2023-11-24 22:02:59,902 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:02:59,902 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 53 treesize of output 27 [2023-11-24 22:03:00,004 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:03:00,004 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 53 treesize of output 27 [2023-11-24 22:03:00,110 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:03:00,110 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 53 treesize of output 27 [2023-11-24 22:03:00,218 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:03:00,219 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 53 treesize of output 27 [2023-11-24 22:03:00,327 INFO L349 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-11-24 22:03:00,328 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 53 treesize of output 27 [2023-11-24 22:03:00,506 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:00,506 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 53 treesize of output 27 [2023-11-24 22:03:00,598 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:00,599 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 53 treesize of output 27 [2023-11-24 22:03:00,697 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:00,697 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 53 treesize of output 27 [2023-11-24 22:03:00,812 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:00,813 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 53 treesize of output 27 [2023-11-24 22:03:00,923 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:00,923 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 53 treesize of output 27 [2023-11-24 22:03:01,024 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,025 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 53 treesize of output 27 [2023-11-24 22:03:01,129 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,129 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 53 treesize of output 27 [2023-11-24 22:03:01,232 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,233 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 53 treesize of output 27 [2023-11-24 22:03:01,338 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,339 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 53 treesize of output 27 [2023-11-24 22:03:01,443 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,444 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 53 treesize of output 27 [2023-11-24 22:03:01,551 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,551 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 53 treesize of output 27 [2023-11-24 22:03:01,669 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,670 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 53 treesize of output 27 [2023-11-24 22:03:01,784 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,784 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 53 treesize of output 27 [2023-11-24 22:03:01,905 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:01,905 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 53 treesize of output 27 [2023-11-24 22:03:02,023 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:02,024 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 53 treesize of output 27 [2023-11-24 22:03:02,181 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:02,181 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 53 treesize of output 27 [2023-11-24 22:03:02,293 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:02,293 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 53 treesize of output 27 [2023-11-24 22:03:02,414 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:02,414 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 53 treesize of output 27 [2023-11-24 22:03:02,529 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:02,529 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 53 treesize of output 27 [2023-11-24 22:03:02,659 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:02,659 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 53 treesize of output 27 [2023-11-24 22:03:02,786 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:02,786 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 53 treesize of output 27 [2023-11-24 22:03:02,935 INFO L349 Elim1Store]: treesize reduction 36, result has 16.3 percent of original size [2023-11-24 22:03:02,936 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 53 treesize of output 27 [2023-11-24 22:03:03,166 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-24 22:03:03,167 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 47 treesize of output 27 [2023-11-24 22:03:03,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:03,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:03,523 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-11-24 22:03:03,523 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 49 treesize of output 27 [2023-11-24 22:03:03,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:03,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:03,863 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-11-24 22:03:03,863 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 49 treesize of output 27 [2023-11-24 22:03:03,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:04,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:04,213 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-11-24 22:03:04,214 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 49 treesize of output 27 [2023-11-24 22:03:04,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:04,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:04,653 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-11-24 22:03:04,654 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 49 treesize of output 27 [2023-11-24 22:03:04,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:04,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:05,054 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-11-24 22:03:05,054 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 49 treesize of output 27 [2023-11-24 22:03:05,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:05,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:05,456 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-11-24 22:03:05,456 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 49 treesize of output 27 [2023-11-24 22:03:05,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:05,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2023-11-24 22:03:05,848 INFO L349 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2023-11-24 22:03:05,848 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 49 treesize of output 27 [2023-11-24 22:03:06,140 INFO L134 CoverageAnalysis]: Checked inductivity of 8404 backedges. 462 proven. 3740 refuted. 0 times theorem prover too weak. 4202 trivial. 0 not checked. [2023-11-24 22:03:06,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:03:24,024 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (let ((.cse0 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse0 (* .cse0 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))) (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse0))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse1 (* .cse0 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse1) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse1) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|))) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |c_ULTIMATE.start_main_~j~0#1| 1)))) is different from false [2023-11-24 22:03:28,098 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (let ((.cse1 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse1))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse0 (* .cse1 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse0) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse1 (* .cse1 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))))) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)))) is different from false [2023-11-24 22:03:32,193 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (v_ArrVal_1199 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (|v_ULTIMATE.start_main_~j~0#1_248| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |v_ULTIMATE.start_main_~j~0#1_248| 1)) (let ((.cse1 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse1))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse0 (* .cse1 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1199) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_248| 4) .cse0) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse0) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse1 (* .cse1 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))))) (< |v_ULTIMATE.start_main_~j~0#1_248| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)))) is different from false [2023-11-24 22:03:36,307 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (v_ArrVal_1197 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (v_ArrVal_1199 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (|v_ULTIMATE.start_main_~j~0#1_249| Int) (|v_ULTIMATE.start_main_~j~0#1_248| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |v_ULTIMATE.start_main_~j~0#1_248| 1)) (< |v_ULTIMATE.start_main_~j~0#1_248| (+ |v_ULTIMATE.start_main_~j~0#1_249| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)) (< |v_ULTIMATE.start_main_~j~0#1_249| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (let ((.cse1 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse1))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse0 (* .cse1 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1197) (+ (* |v_ULTIMATE.start_main_~j~0#1_249| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1199) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_248| 4) .cse0) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse0) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse1 (* .cse1 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))))))) is different from false [2023-11-24 22:03:40,464 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~j~0#1_250| Int) (v_ArrVal_1241 Int) (v_ArrVal_1221 Int) (v_ArrVal_1243 Int) (v_ArrVal_1202 Int) (v_ArrVal_1224 Int) (v_ArrVal_1246 Int) (v_ArrVal_1204 Int) (v_ArrVal_1225 Int) (v_ArrVal_1247 Int) (v_ArrVal_1205 Int) (v_ArrVal_1227 Int) (v_ArrVal_1249 Int) (v_ArrVal_1207 Int) (v_ArrVal_1229 Int) (v_ArrVal_1209 Int) (v_ArrVal_1251 Int) (v_ArrVal_1195 Int) (|v_ULTIMATE.start_main_~j~0#1_245| Int) (v_ArrVal_1231 Int) (v_ArrVal_1197 Int) (|v_ULTIMATE.start_main_~j~0#1_247| Int) (v_ArrVal_1211 Int) (v_ArrVal_1233 Int) (v_ArrVal_1199 Int) (|v_ULTIMATE.start_main_~j~0#1_246| Int) (|v_ULTIMATE.start_main_~j~0#1_249| Int) (|v_ULTIMATE.start_main_~j~0#1_248| Int) (v_ArrVal_1215 Int) (v_ArrVal_1237 Int) (v_ArrVal_1214 Int) (v_ArrVal_1236 Int) (v_ArrVal_1217 Int) (v_ArrVal_1239 Int) (v_ArrVal_1219 Int)) (or (< |v_ULTIMATE.start_main_~j~0#1_245| (+ |v_ULTIMATE.start_main_~j~0#1_246| 1)) (< |v_ULTIMATE.start_main_~j~0#1_249| (+ |v_ULTIMATE.start_main_~j~0#1_250| 1)) (< |v_ULTIMATE.start_main_~j~0#1_247| (+ |v_ULTIMATE.start_main_~j~0#1_248| 1)) (let ((.cse1 (* |c_ULTIMATE.start_main_~n~0#1| 4))) (= (select (let ((.cse2 (* (+ |c_ULTIMATE.start_main_~i~0#1| 1) .cse1))) (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (store (let ((.cse0 (* .cse1 |c_ULTIMATE.start_main_~i~0#1|))) (store (store (store (store (store (store (store (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#A~0#1.base|) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4)) v_ArrVal_1195) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_250| 4) .cse0) v_ArrVal_1197) (+ (* |v_ULTIMATE.start_main_~j~0#1_249| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1199) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_248| 4) .cse0) v_ArrVal_1202) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0 (* |v_ULTIMATE.start_main_~j~0#1_247| 4)) v_ArrVal_1204) (+ (* |v_ULTIMATE.start_main_~j~0#1_246| 4) |c_ULTIMATE.start_main_~#A~0#1.offset| .cse0) v_ArrVal_1205) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| (* |v_ULTIMATE.start_main_~j~0#1_245| 4) .cse0) v_ArrVal_1207)) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1209) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 4) v_ArrVal_1211) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 8) v_ArrVal_1214) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 12) v_ArrVal_1215) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 16) v_ArrVal_1217) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 20) v_ArrVal_1219) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 24) v_ArrVal_1221) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 28) v_ArrVal_1224) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 32) v_ArrVal_1225) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 36) v_ArrVal_1227) (+ 40 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1229) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 44) v_ArrVal_1231) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 48) v_ArrVal_1233) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 52) v_ArrVal_1236) (+ 56 |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2) v_ArrVal_1237) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 60) v_ArrVal_1239) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 64) v_ArrVal_1241) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 68) v_ArrVal_1243) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 72) v_ArrVal_1246) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| 76 .cse2) v_ArrVal_1247) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 80) v_ArrVal_1249) (+ |c_ULTIMATE.start_main_~#A~0#1.offset| .cse2 84) v_ArrVal_1251)) |c_ULTIMATE.start_main_~#A~0#1.offset|) (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#B~0#1.base|) (+ |c_ULTIMATE.start_main_~#B~0#1.offset| (- 4) .cse1 (* .cse1 (+ (- 1) |c_ULTIMATE.start_main_~m~0#1|)))))) (< |v_ULTIMATE.start_main_~j~0#1_250| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (< |v_ULTIMATE.start_main_~j~0#1_248| (+ |v_ULTIMATE.start_main_~j~0#1_249| 1)) (< |v_ULTIMATE.start_main_~j~0#1_246| (+ |v_ULTIMATE.start_main_~j~0#1_247| 1)))) is different from false