./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:35:50,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:35:50,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:35:50,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:35:50,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:35:50,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:35:50,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:35:50,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:35:50,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:35:50,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:35:50,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:35:50,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:35:50,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:35:50,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:35:50,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:35:50,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:35:50,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:35:50,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:35:50,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:35:50,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:35:50,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:35:50,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:35:50,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:35:50,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:35:50,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:35:50,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:35:50,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:35:50,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:35:50,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:35:50,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:35:50,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:35:50,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:35:50,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:35:50,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:35:50,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:35:50,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:35:50,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:35:50,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:35:50,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:35:50,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:35:50,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:35:50,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 16:35:50,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:35:50,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:35:50,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:35:50,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:35:50,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:35:50,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:35:50,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:35:50,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:35:50,538 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:35:50,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:35:50,539 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:35:50,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:35:50,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:35:50,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:35:50,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:35:50,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:35:50,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:35:50,540 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:35:50,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:35:50,540 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:35:50,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:35:50,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:35:50,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:35:50,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:35:50,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:35:50,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:35:50,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:35:50,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:35:50,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:35:50,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:35:50,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:35:50,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:35:50,542 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:35:50,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:35:50,543 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:35:50,543 INFO L138 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_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f [2022-12-13 16:35:50,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:35:50,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:35:50,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:35:50,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:35:50,750 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:35:50,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/heap-data/shared_mem1.i [2022-12-13 16:35:53,419 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:35:53,572 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:35:53,572 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/sv-benchmarks/c/heap-data/shared_mem1.i [2022-12-13 16:35:53,580 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/data/0cda44cdb/9b8e3768dd214c3cae4404ae04eef005/FLAG63da427f6 [2022-12-13 16:35:53,590 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/data/0cda44cdb/9b8e3768dd214c3cae4404ae04eef005 [2022-12-13 16:35:53,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:35:53,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:35:53,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:35:53,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:35:53,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:35:53,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:53,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d46b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53, skipping insertion in model container [2022-12-13 16:35:53,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:53,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:35:53,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:35:53,881 WARN L237 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_940f5345-8138-4bd5-807d-757ebef03d03/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2022-12-13 16:35:53,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:35:53,894 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:35:53,928 WARN L237 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_940f5345-8138-4bd5-807d-757ebef03d03/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2022-12-13 16:35:53,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:35:53,951 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:35:53,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53 WrapperNode [2022-12-13 16:35:53,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:35:53,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:35:53,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:35:53,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:35:53,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:53,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:53,988 INFO L138 Inliner]: procedures = 121, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2022-12-13 16:35:53,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:35:53,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:35:53,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:35:53,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:35:53,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:53,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:54,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:54,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:54,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:54,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:54,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:54,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:54,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:35:54,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:35:54,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:35:54,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:35:54,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (1/1) ... [2022-12-13 16:35:54,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:35:54,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:35:54,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:35:54,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:35:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:35:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:35:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 16:35:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:35:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 16:35:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 16:35:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:35:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:35:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:35:54,173 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:35:54,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:35:54,308 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:35:54,314 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:35:54,314 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 16:35:54,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:35:54 BoogieIcfgContainer [2022-12-13 16:35:54,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:35:54,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:35:54,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:35:54,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:35:54,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:35:53" (1/3) ... [2022-12-13 16:35:54,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff67717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:35:54, skipping insertion in model container [2022-12-13 16:35:54,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:35:53" (2/3) ... [2022-12-13 16:35:54,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff67717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:35:54, skipping insertion in model container [2022-12-13 16:35:54,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:35:54" (3/3) ... [2022-12-13 16:35:54,326 INFO L112 eAbstractionObserver]: Analyzing ICFG shared_mem1.i [2022-12-13 16:35:54,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:35:54,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:35:54,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:35:54,396 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=LoopsAndPotentialCycles, 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;@710a3525, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:35:54,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:35:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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) [2022-12-13 16:35:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 16:35:54,404 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:35:54,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:35:54,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:35:54,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:35:54,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1650103796, now seen corresponding path program 1 times [2022-12-13 16:35:54,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:35:54,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246931972] [2022-12-13 16:35:54,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:35:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:35:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:35:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:54,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:35:54,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246931972] [2022-12-13 16:35:54,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246931972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:35:54,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:35:54,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:35:54,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817959704] [2022-12-13 16:35:54,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:35:54,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:35:54,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:35:54,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:35:54,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:35:54,600 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 16:35:54,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:35:54,621 INFO L93 Difference]: Finished difference Result 27 states and 38 transitions. [2022-12-13 16:35:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:35:54,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-12-13 16:35:54,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:35:54,630 INFO L225 Difference]: With dead ends: 27 [2022-12-13 16:35:54,630 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:35:54,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:35:54,635 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:35:54,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:35:54,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:35:54,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:35:54,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 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) [2022-12-13 16:35:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-12-13 16:35:54,658 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 10 [2022-12-13 16:35:54,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:35:54,658 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-12-13 16:35:54,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 16:35:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-12-13 16:35:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:35:54,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:35:54,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:35:54,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:35:54,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:35:54,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:35:54,660 INFO L85 PathProgramCache]: Analyzing trace with hash -812668617, now seen corresponding path program 1 times [2022-12-13 16:35:54,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:35:54,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485717422] [2022-12-13 16:35:54,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:35:54,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:35:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:35:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:55,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:35:55,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485717422] [2022-12-13 16:35:55,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485717422] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:35:55,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:35:55,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 16:35:55,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393368298] [2022-12-13 16:35:55,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:35:55,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 16:35:55,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:35:55,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 16:35:55,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:35:55,240 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2022-12-13 16:35:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:35:55,389 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2022-12-13 16:35:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:35:55,390 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 16:35:55,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:35:55,391 INFO L225 Difference]: With dead ends: 29 [2022-12-13 16:35:55,391 INFO L226 Difference]: Without dead ends: 27 [2022-12-13 16:35:55,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-12-13 16:35:55,392 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 31 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:35:55,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 38 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:35:55,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-13 16:35:55,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2022-12-13 16:35:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:35:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2022-12-13 16:35:55,397 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 11 [2022-12-13 16:35:55,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:35:55,397 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-12-13 16:35:55,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2022-12-13 16:35:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-12-13 16:35:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:35:55,397 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:35:55,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:35:55,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:35:55,398 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:35:55,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:35:55,398 INFO L85 PathProgramCache]: Analyzing trace with hash -812666695, now seen corresponding path program 1 times [2022-12-13 16:35:55,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:35:55,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441839553] [2022-12-13 16:35:55,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:35:55,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:35:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:35:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:55,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:35:55,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441839553] [2022-12-13 16:35:55,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441839553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:35:55,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:35:55,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:35:55,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259159755] [2022-12-13 16:35:55,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:35:55,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:35:55,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:35:55,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:35:55,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:35:55,723 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-12-13 16:35:55,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:35:55,855 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2022-12-13 16:35:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:35:55,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 16:35:55,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:35:55,856 INFO L225 Difference]: With dead ends: 31 [2022-12-13 16:35:55,856 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 16:35:55,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:35:55,857 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:35:55,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 38 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:35:55,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 16:35:55,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2022-12-13 16:35:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 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) [2022-12-13 16:35:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2022-12-13 16:35:55,860 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 29 transitions. Word has length 11 [2022-12-13 16:35:55,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:35:55,861 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 29 transitions. [2022-12-13 16:35:55,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-12-13 16:35:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-12-13 16:35:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 16:35:55,861 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:35:55,862 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:35:55,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:35:55,862 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:35:55,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:35:55,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1760681901, now seen corresponding path program 1 times [2022-12-13 16:35:55,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:35:55,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632403619] [2022-12-13 16:35:55,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:35:55,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:35:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:35:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:56,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:35:56,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632403619] [2022-12-13 16:35:56,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632403619] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:35:56,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975348763] [2022-12-13 16:35:56,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:35:56,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:35:56,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:35:56,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:35:56,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:35:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:35:56,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-13 16:35:56,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:35:56,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:35:56,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:35:56,608 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 16:35:56,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-13 16:35:56,649 INFO L321 Elim1Store]: treesize reduction 46, result has 29.2 percent of original size [2022-12-13 16:35:56,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 94 [2022-12-13 16:35:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-13 16:35:56,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2022-12-13 16:35:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 41 [2022-12-13 16:35:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2022-12-13 16:35:56,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-12-13 16:35:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-12-13 16:35:56,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-12-13 16:35:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2022-12-13 16:35:56,948 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 16:35:56,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-13 16:35:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:56,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-12-13 16:35:56,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-12-13 16:35:57,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2022-12-13 16:35:57,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:35:57,111 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 16:35:57,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 42 [2022-12-13 16:35:57,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-12-13 16:35:57,244 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:35:57,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 29 [2022-12-13 16:35:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:57,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:35:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:57,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975348763] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:35:57,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:35:57,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-12-13 16:35:57,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663363279] [2022-12-13 16:35:57,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:35:57,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 16:35:57,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:35:57,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 16:35:57,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-12-13 16:35:57,620 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. Second operand has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 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) [2022-12-13 16:35:58,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:35:58,084 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2022-12-13 16:35:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:35:58,085 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-13 16:35:58,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:35:58,085 INFO L225 Difference]: With dead ends: 42 [2022-12-13 16:35:58,085 INFO L226 Difference]: Without dead ends: 32 [2022-12-13 16:35:58,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2022-12-13 16:35:58,086 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 51 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:35:58,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 54 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:35:58,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-13 16:35:58,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2022-12-13 16:35:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:35:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-12-13 16:35:58,090 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 14 [2022-12-13 16:35:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:35:58,091 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-12-13 16:35:58,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 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) [2022-12-13 16:35:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-12-13 16:35:58,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 16:35:58,091 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:35:58,091 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:35:58,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:35:58,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:35:58,294 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:35:58,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:35:58,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1760679979, now seen corresponding path program 1 times [2022-12-13 16:35:58,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:35:58,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747452518] [2022-12-13 16:35:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:35:58,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:35:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:35:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:58,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:35:58,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747452518] [2022-12-13 16:35:58,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747452518] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:35:58,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344927824] [2022-12-13 16:35:58,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:35:58,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:35:58,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:35:58,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:35:58,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:35:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:35:58,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-13 16:35:58,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:35:58,958 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-12-13 16:35:58,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 74 [2022-12-13 16:35:58,983 INFO L321 Elim1Store]: treesize reduction 55, result has 24.7 percent of original size [2022-12-13 16:35:58,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 91 [2022-12-13 16:35:58,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:58,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:58,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-13 16:35:59,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2022-12-13 16:35:59,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2022-12-13 16:35:59,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2022-12-13 16:35:59,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 121 [2022-12-13 16:35:59,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:35:59,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 3 [2022-12-13 16:35:59,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2022-12-13 16:35:59,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:35:59,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:35:59,194 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 16:35:59,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-13 16:35:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-12-13 16:35:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-12-13 16:35:59,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-12-13 16:35:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2022-12-13 16:35:59,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:35:59,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-12-13 16:35:59,370 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-13 16:35:59,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 16:35:59,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-12-13 16:35:59,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2022-12-13 16:35:59,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 30 [2022-12-13 16:35:59,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-12-13 16:35:59,530 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 16:35:59,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 16:35:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:59,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:35:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:35:59,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344927824] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:35:59,810 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:35:59,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2022-12-13 16:35:59,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944262804] [2022-12-13 16:35:59,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:35:59,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 16:35:59,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:35:59,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 16:35:59,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=179, Unknown=1, NotChecked=0, Total=240 [2022-12-13 16:35:59,812 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:36:00,174 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2022-12-13 16:36:00,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:36:00,175 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-13 16:36:00,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:36:00,175 INFO L225 Difference]: With dead ends: 35 [2022-12-13 16:36:00,175 INFO L226 Difference]: Without dead ends: 28 [2022-12-13 16:36:00,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=303, Unknown=1, NotChecked=0, Total=420 [2022-12-13 16:36:00,176 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 34 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:36:00,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 47 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:36:00,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-13 16:36:00,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2022-12-13 16:36:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 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) [2022-12-13 16:36:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-12-13 16:36:00,179 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 14 [2022-12-13 16:36:00,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:36:00,179 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-12-13 16:36:00,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-12-13 16:36:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 16:36:00,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:36:00,179 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:36:00,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 16:36:00,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:36:00,381 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:36:00,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:36:00,383 INFO L85 PathProgramCache]: Analyzing trace with hash 187961508, now seen corresponding path program 1 times [2022-12-13 16:36:00,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:36:00,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421128345] [2022-12-13 16:36:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:36:00,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:36:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:36:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:36:00,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:36:00,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421128345] [2022-12-13 16:36:00,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421128345] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:36:00,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724152580] [2022-12-13 16:36:00,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:36:00,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:36:00,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:36:00,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:36:00,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:36:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:36:00,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 16:36:00,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:36:00,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:36:00,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:00,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:00,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-12-13 16:36:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:00,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-12-13 16:36:00,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:00,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:00,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-13 16:36:00,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:00,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:36:00,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2022-12-13 16:36:00,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-12-13 16:36:01,077 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 16:36:01,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2022-12-13 16:36:01,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 38 [2022-12-13 16:36:01,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2022-12-13 16:36:01,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2022-12-13 16:36:01,206 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 16:36:01,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2022-12-13 16:36:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:36:01,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:36:01,291 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_515 (Array Int Int)) (v_ArrVal_516 (Array Int Int)) (v_ArrVal_514 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_514)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_516)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_515)) (.cse7 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)) (.cse5 (+ 4 (select (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_514)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2022-12-13 16:36:01,326 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_515 (Array Int Int)) (v_ArrVal_516 (Array Int Int)) (v_ArrVal_514 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_ArrVal_514)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_516)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_515)) (.cse7 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) .cse7)) (.cse5 (+ 4 (select (select .cse6 |c_ULTIMATE.start_main_~head~0#1.base|) .cse7)))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_514)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2022-12-13 16:36:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-12-13 16:36:01,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724152580] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:36:01,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:36:01,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 7] total 18 [2022-12-13 16:36:01,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692634165] [2022-12-13 16:36:01,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:36:01,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 16:36:01,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:36:01,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 16:36:01,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=206, Unknown=2, NotChecked=58, Total=306 [2022-12-13 16:36:01,371 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:02,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:36:02,290 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2022-12-13 16:36:02,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:36:02,291 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-13 16:36:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:36:02,291 INFO L225 Difference]: With dead ends: 50 [2022-12-13 16:36:02,291 INFO L226 Difference]: Without dead ends: 27 [2022-12-13 16:36:02,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=112, Invalid=356, Unknown=2, NotChecked=82, Total=552 [2022-12-13 16:36:02,292 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 56 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:36:02,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 115 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 34 Unchecked, 0.3s Time] [2022-12-13 16:36:02,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-13 16:36:02,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-12-13 16:36:02,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-12-13 16:36:02,295 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 16 [2022-12-13 16:36:02,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:36:02,295 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-12-13 16:36:02,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-12-13 16:36:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 16:36:02,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:36:02,296 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:36:02,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 16:36:02,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 16:36:02,497 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:36:02,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:36:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2098222328, now seen corresponding path program 1 times [2022-12-13 16:36:02,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:36:02,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465051026] [2022-12-13 16:36:02,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:36:02,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:36:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:36:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:36:03,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:36:03,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465051026] [2022-12-13 16:36:03,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465051026] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:36:03,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721022549] [2022-12-13 16:36:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:36:03,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:36:03,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:36:03,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:36:03,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 16:36:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:36:03,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 89 conjunts are in the unsatisfiable core [2022-12-13 16:36:03,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:36:03,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:36:03,332 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 16:36:03,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-13 16:36:03,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-12-13 16:36:03,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-12-13 16:36:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-13 16:36:03,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 16:36:03,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:36:03,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2022-12-13 16:36:03,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-12-13 16:36:03,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 58 [2022-12-13 16:36:03,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 50 [2022-12-13 16:36:03,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 33 [2022-12-13 16:36:03,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2022-12-13 16:36:03,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 27 [2022-12-13 16:36:03,517 INFO L321 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2022-12-13 16:36:03,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 36 [2022-12-13 16:36:03,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:03,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-12-13 16:36:03,739 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-12-13 16:36:03,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 163 [2022-12-13 16:36:03,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 38 [2022-12-13 16:36:03,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2022-12-13 16:36:03,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:36:03,943 INFO L321 Elim1Store]: treesize reduction 25, result has 10.7 percent of original size [2022-12-13 16:36:03,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 125 treesize of output 69 [2022-12-13 16:36:03,950 INFO L321 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-12-13 16:36:03,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 41 [2022-12-13 16:36:03,955 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 16:36:03,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 16:36:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:36:03,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:36:04,048 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_698 Int) (v_ArrVal_696 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse8 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_698)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_697)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_696)) (.cse7 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)) (.cse5 (+ (select (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7) 4))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_698)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2022-12-13 16:36:04,211 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:36:04,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 690 treesize of output 558 [2022-12-13 16:36:04,228 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:36:04,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 546 treesize of output 498 [2022-12-13 16:36:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-12-13 16:36:04,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721022549] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:36:04,552 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:36:04,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 24 [2022-12-13 16:36:04,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608846579] [2022-12-13 16:36:04,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:36:04,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 16:36:04,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:36:04,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 16:36:04,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=434, Unknown=9, NotChecked=42, Total=552 [2022-12-13 16:36:04,554 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:04,621 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse10 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse10)) (.cse9 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse10))) (and (forall ((v_ArrVal_698 Int) (v_ArrVal_696 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| .cse3))) (or (not (<= (+ (select .cse0 .cse1) .cse2) v_ArrVal_698)) (< 100 (let ((.cse7 (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_697)) (.cse4 (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_696)) (.cse8 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse5 (select (select .cse4 |c_ULTIMATE.start_main_~head~0#1.base|) .cse8)) (.cse6 (+ 4 (select (select .cse7 |c_ULTIMATE.start_main_~head~0#1.base|) .cse8)))) (select (select (store |c_#memory_int| .cse3 (store .cse0 .cse1 v_ArrVal_698)) (select (select .cse4 .cse5) .cse6)) (select (select .cse7 .cse5) .cse6)))))))) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (<= 100 .cse9) (= |c_ULTIMATE.start_main_~m~0#1.offset| .cse1) (= .cse2 1) (= |c_ULTIMATE.start_main_~list~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= .cse9 100) (= |c_ULTIMATE.start_main_~list~0#1.base| |c_ULTIMATE.start_main_~head~0#1.base|) (= (select |c_#valid| |c_ULTIMATE.start_main_~m~0#1.base|) 1) (= (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |c_ULTIMATE.start_main_~m~0#1.base| |c_ULTIMATE.start_main_~list~0#1.base|)) (= |c_ULTIMATE.start_main_~m~0#1.offset| 0) (<= 1 .cse2) (= |c_ULTIMATE.start_main_~m~0#1.base| .cse3)))) is different from false [2022-12-13 16:36:06,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:36:06,692 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2022-12-13 16:36:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 16:36:06,693 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 16:36:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:36:06,693 INFO L225 Difference]: With dead ends: 32 [2022-12-13 16:36:06,693 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 16:36:06,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=162, Invalid=706, Unknown=10, NotChecked=114, Total=992 [2022-12-13 16:36:06,694 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 41 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 16:36:06,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 136 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 163 Invalid, 1 Unknown, 20 Unchecked, 0.6s Time] [2022-12-13 16:36:06,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 16:36:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-12-13 16:36:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 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) [2022-12-13 16:36:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2022-12-13 16:36:06,698 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 19 [2022-12-13 16:36:06,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:36:06,698 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-12-13 16:36:06,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:06,698 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-13 16:36:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 16:36:06,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:36:06,698 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:36:06,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 16:36:06,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:36:06,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:36:06,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:36:06,901 INFO L85 PathProgramCache]: Analyzing trace with hash -2096375286, now seen corresponding path program 1 times [2022-12-13 16:36:06,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:36:06,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890548752] [2022-12-13 16:36:06,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:36:06,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:36:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:36:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:36:07,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:36:07,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890548752] [2022-12-13 16:36:07,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890548752] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:36:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243621083] [2022-12-13 16:36:07,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:36:07,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:36:07,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:36:07,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:36:07,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 16:36:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:36:07,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 95 conjunts are in the unsatisfiable core [2022-12-13 16:36:07,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:36:07,887 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 16:36:07,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-13 16:36:07,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:36:07,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:36:07,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:07,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-12-13 16:36:07,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-12-13 16:36:07,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:07,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:07,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-13 16:36:07,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-13 16:36:08,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2022-12-13 16:36:08,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-12-13 16:36:08,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-12-13 16:36:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-12-13 16:36:08,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:08,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-12-13 16:36:08,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-12-13 16:36:08,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-12-13 16:36:08,111 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-12-13 16:36:08,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2022-12-13 16:36:08,352 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-12-13 16:36:08,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 173 treesize of output 154 [2022-12-13 16:36:08,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2022-12-13 16:36:08,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2022-12-13 16:36:08,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 16:36:08,706 INFO L321 Elim1Store]: treesize reduction 25, result has 10.7 percent of original size [2022-12-13 16:36:08,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 202 treesize of output 110 [2022-12-13 16:36:08,719 INFO L321 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-12-13 16:36:08,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 58 [2022-12-13 16:36:08,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2022-12-13 16:36:08,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2022-12-13 16:36:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:36:08,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:36:11,100 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_884 Int) (v_ArrVal_881 Int) (v_ArrVal_880 (Array Int Int)) (v_ArrVal_882 (Array Int Int))) (let ((.cse12 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (let ((.cse8 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_882)) (.cse13 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse4 (select (select .cse8 |c_ULTIMATE.start_main_~head~0#1.base|) .cse13)) (.cse10 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_880))) (let ((.cse3 (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) .cse13)) (.cse9 (+ .cse4 4)) (.cse0 (select |c_#memory_int| .cse11)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (let ((.cse2 (store |c_#memory_int| .cse11 (store .cse0 .cse1 v_ArrVal_881))) (.cse7 (select (select .cse10 .cse3) .cse9))) (let ((.cse5 (select .cse2 .cse7)) (.cse6 (select (select .cse8 .cse3) .cse9))) (or (not (<= v_ArrVal_881 (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (not (<= (+ v_ArrVal_884 (select (select .cse2 .cse3) .cse4)) (select .cse5 .cse6))) (<= (select (select (store .cse2 .cse7 (store .cse5 .cse6 v_ArrVal_884)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) 109)))))))))) is different from false [2022-12-13 16:36:11,195 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:36:11,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1851 treesize of output 1653 [2022-12-13 16:36:11,229 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:36:11,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1641 treesize of output 1575 [2022-12-13 16:36:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-12-13 16:36:11,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243621083] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:36:11,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:36:11,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2022-12-13 16:36:11,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586050047] [2022-12-13 16:36:11,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:36:11,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 16:36:11,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:36:11,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 16:36:11,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=413, Unknown=10, NotChecked=42, Total=552 [2022-12-13 16:36:11,995 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:28,168 WARN L233 SmtUtils]: Spent 12.07s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:36:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:36:28,213 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2022-12-13 16:36:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 16:36:28,214 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 16:36:28,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:36:28,214 INFO L225 Difference]: With dead ends: 47 [2022-12-13 16:36:28,214 INFO L226 Difference]: Without dead ends: 40 [2022-12-13 16:36:28,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=250, Invalid=864, Unknown=12, NotChecked=64, Total=1190 [2022-12-13 16:36:28,215 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 84 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 30 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:36:28,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 146 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 210 Invalid, 3 Unknown, 32 Unchecked, 1.3s Time] [2022-12-13 16:36:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-13 16:36:28,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2022-12-13 16:36:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2022-12-13 16:36:28,220 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 19 [2022-12-13 16:36:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:36:28,220 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2022-12-13 16:36:28,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:36:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-12-13 16:36:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 16:36:28,220 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:36:28,220 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:36:28,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 16:36:28,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:36:28,422 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:36:28,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:36:28,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2096373364, now seen corresponding path program 1 times [2022-12-13 16:36:28,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:36:28,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768230727] [2022-12-13 16:36:28,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:36:28,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:36:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:36:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:36:29,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:36:29,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768230727] [2022-12-13 16:36:29,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768230727] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:36:29,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95062032] [2022-12-13 16:36:29,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:36:29,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:36:29,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:36:29,121 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:36:29,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 16:36:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:36:29,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 100 conjunts are in the unsatisfiable core [2022-12-13 16:36:29,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:36:29,238 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 16:36:29,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-13 16:36:29,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-12-13 16:36:29,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 16:36:29,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:36:29,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:36:29,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-12-13 16:36:29,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 38 [2022-12-13 16:36:29,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-12-13 16:36:29,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-12-13 16:36:29,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-12-13 16:36:29,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,422 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-13 16:36:29,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 38 [2022-12-13 16:36:29,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,438 INFO L321 Elim1Store]: treesize reduction 4, result has 71.4 percent of original size [2022-12-13 16:36:29,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 20 [2022-12-13 16:36:29,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:36:29,456 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-13 16:36:29,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2022-12-13 16:36:29,468 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-13 16:36:29,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 32 [2022-12-13 16:36:29,969 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-12-13 16:36:29,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 262 treesize of output 235 [2022-12-13 16:36:30,000 INFO L321 Elim1Store]: treesize reduction 120, result has 24.5 percent of original size [2022-12-13 16:36:30,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 243 treesize of output 243 [2022-12-13 16:36:30,041 INFO L321 Elim1Store]: treesize reduction 128, result has 38.2 percent of original size [2022-12-13 16:36:30,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 204 treesize of output 235 [2022-12-13 16:36:30,190 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:36:31,585 INFO L321 Elim1Store]: treesize reduction 180, result has 40.6 percent of original size [2022-12-13 16:36:31,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 372 treesize of output 354 [2022-12-13 16:36:31,973 INFO L321 Elim1Store]: treesize reduction 655, result has 25.7 percent of original size [2022-12-13 16:36:31,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 233 treesize of output 394 [2022-12-13 16:36:32,209 INFO L321 Elim1Store]: treesize reduction 180, result has 40.6 percent of original size [2022-12-13 16:36:32,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 41 case distinctions, treesize of input 314 treesize of output 324 [2022-12-13 16:36:53,352 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-13 16:36:53,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 30 [2022-12-13 16:36:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:36:53,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:36:57,711 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1065 Int) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int))) (let ((.cse13 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse12 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse13))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| .cse12 v_ArrVal_1061)) (.cse14 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse6 (select (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14)) (.cse11 (store |c_#memory_$Pointer$.base| .cse12 v_ArrVal_1062))) (let ((.cse5 (select (select .cse11 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14)) (.cse10 (+ .cse6 4)) (.cse7 (select |c_#memory_int| .cse12)) (.cse8 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse13))) (let ((.cse0 (store |c_#memory_int| .cse12 (store .cse7 .cse8 v_ArrVal_1060))) (.cse1 (select (select .cse11 .cse5) .cse10))) (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select .cse9 .cse5) .cse10))) (let ((.cse4 (select .cse2 .cse3))) (or (<= 91 (select (select (store .cse0 .cse1 (store .cse2 .cse3 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= .cse4 (+ v_ArrVal_1065 (select (select .cse0 .cse5) .cse6)))) (not (<= (+ (select .cse7 .cse8) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_1060)) (< 109 (select (select .cse0 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (< .cse4 101))))))))))) is different from false [2022-12-13 16:36:57,766 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1065 Int) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int))) (let ((.cse13 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse12 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse13))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| .cse12 v_ArrVal_1061)) (.cse14 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~head~0#1.base|) .cse14)) (.cse11 (store |c_#memory_$Pointer$.base| .cse12 v_ArrVal_1062))) (let ((.cse7 (select (select .cse11 |c_ULTIMATE.start_main_~head~0#1.base|) .cse14)) (.cse10 (+ 4 .cse8)) (.cse5 (select |c_#memory_int| .cse12)) (.cse6 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse13))) (let ((.cse1 (store |c_#memory_int| .cse12 (store .cse5 .cse6 v_ArrVal_1060))) (.cse2 (select (select .cse11 .cse7) .cse10))) (let ((.cse3 (select .cse1 .cse2)) (.cse4 (select (select .cse9 .cse7) .cse10))) (let ((.cse0 (select .cse3 .cse4))) (or (< .cse0 101) (<= 91 (select (select (store .cse1 .cse2 (store .cse3 .cse4 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= (+ (select .cse5 .cse6) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_ArrVal_1060)) (< 109 (select (select .cse1 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= .cse0 (+ v_ArrVal_1065 (select (select .cse1 .cse7) .cse8)))))))))))))) is different from false [2022-12-13 16:36:57,871 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:36:57,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 2549 treesize of output 1985 [2022-12-13 16:36:57,899 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:36:57,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1973 treesize of output 1877 [2022-12-13 16:36:58,039 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_21 (Array Int Int)) (v_ArrVal_1038 (Array Int Int)) (v_ArrVal_1045 (Array Int Int)) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int)) (v_ArrVal_1065 Int) (v_ArrVal_1057 Int) (v_ArrVal_1048 Int) (v_ArrVal_1058 Int) (v_ArrVal_1049 Int)) (let ((.cse18 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse17 (let ((.cse19 (store |c_#memory_$Pointer$.base| v_ArrVal_1048 v_arrayElimArr_21))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 v_ArrVal_1048)))) (.cse15 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse14 (store (store |c_#memory_$Pointer$.offset| v_ArrVal_1048 v_arrayElimArr_22) |c_ULTIMATE.start_main_~list~0#1.base| (store (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1048 v_ArrVal_1045) |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 0))) (.cse13 (select (select .cse17 |c_ULTIMATE.start_main_~head~0#1.base|) .cse15))) (let ((.cse10 (store .cse14 .cse13 v_ArrVal_1061)) (.cse16 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse1 (store (store |c_#memory_int| v_ArrVal_1048 (store (store (store (select |c_#memory_int| v_ArrVal_1048) 0 v_ArrVal_1058) 4 v_ArrVal_1057) 8 v_ArrVal_1049)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1038)) (.cse9 (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) .cse16)) (.cse12 (store .cse17 .cse13 v_ArrVal_1062))) (let ((.cse8 (select (select .cse12 |c_ULTIMATE.start_main_~head~0#1.base|) .cse16)) (.cse11 (+ .cse9 4)) (.cse2 (select .cse1 .cse13)) (.cse3 (select (select .cse14 |c_ULTIMATE.start_main_~head~0#1.base|) .cse15))) (let ((.cse0 (store .cse1 .cse13 (store .cse2 .cse3 v_ArrVal_1060))) (.cse5 (select (select .cse12 .cse8) .cse11))) (let ((.cse6 (select .cse0 .cse5)) (.cse7 (select (select .cse10 .cse8) .cse11))) (let ((.cse4 (select .cse6 .cse7))) (or (not (= (select v_arrayElimArr_22 8) |c_ULTIMATE.start_main_~head~0#1.offset|)) (< 109 (select (select .cse0 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (= 0 (select |c_#valid| v_ArrVal_1048))) (not (= (select v_arrayElimArr_21 8) |c_ULTIMATE.start_main_~head~0#1.base|)) (not (<= (+ (select (select .cse1 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3)) v_ArrVal_1060)) (< .cse4 101) (<= 91 (select (select (store .cse0 .cse5 (store .cse6 .cse7 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| (select v_arrayElimArr_21 4))) (not (<= .cse4 (+ v_ArrVal_1065 (select (select .cse0 .cse8) .cse9)))) (not (= |c_ULTIMATE.start_main_~m~0#1.offset| (select v_arrayElimArr_22 4))) (< 9 v_ArrVal_1058)))))))))))) is different from false [2022-12-13 16:36:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-12-13 16:36:58,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95062032] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:36:58,310 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:36:58,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 28 [2022-12-13 16:36:58,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761343672] [2022-12-13 16:36:58,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:36:58,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 16:36:58,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:36:58,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 16:36:58,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=500, Unknown=3, NotChecked=144, Total=756 [2022-12-13 16:36:58,312 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:37:04,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:37:04,899 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-12-13 16:37:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 16:37:04,900 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 16:37:04,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:37:04,900 INFO L225 Difference]: With dead ends: 78 [2022-12-13 16:37:04,901 INFO L226 Difference]: Without dead ends: 59 [2022-12-13 16:37:04,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=282, Invalid=1133, Unknown=3, NotChecked=222, Total=1640 [2022-12-13 16:37:04,901 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 74 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 16:37:04,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 142 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 231 Invalid, 0 Unknown, 99 Unchecked, 0.8s Time] [2022-12-13 16:37:04,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-13 16:37:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 44. [2022-12-13 16:37:04,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 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) [2022-12-13 16:37:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2022-12-13 16:37:04,908 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 19 [2022-12-13 16:37:04,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:37:04,908 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2022-12-13 16:37:04,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:37:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-12-13 16:37:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 16:37:04,909 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:37:04,909 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:37:04,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 16:37:05,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:37:05,111 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:37:05,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:37:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1977905971, now seen corresponding path program 2 times [2022-12-13 16:37:05,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:37:05,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632798164] [2022-12-13 16:37:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:37:05,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:37:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:37:07,066 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:37:07,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:37:07,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632798164] [2022-12-13 16:37:07,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632798164] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:37:07,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137841086] [2022-12-13 16:37:07,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 16:37:07,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:37:07,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:37:07,068 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:37:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_940f5345-8138-4bd5-807d-757ebef03d03/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 16:37:07,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 16:37:07,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 16:37:07,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 109 conjunts are in the unsatisfiable core [2022-12-13 16:37:07,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:37:07,194 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 16:37:07,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-13 16:37:07,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:37:07,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-12-13 16:37:07,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-12-13 16:37:07,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2022-12-13 16:37:07,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:37:07,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:37:07,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-12-13 16:37:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:37:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:37:07,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2022-12-13 16:37:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:37:07,348 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-13 16:37:07,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 38 [2022-12-13 16:37:07,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:37:07,364 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-13 16:37:07,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2022-12-13 16:37:07,380 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-12-13 16:37:07,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2022-12-13 16:37:07,953 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-12-13 16:37:07,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 275 treesize of output 246 [2022-12-13 16:37:07,990 INFO L321 Elim1Store]: treesize reduction 120, result has 24.5 percent of original size [2022-12-13 16:37:07,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 256 treesize of output 254 [2022-12-13 16:37:07,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 35 [2022-12-13 16:37:08,012 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:37:08,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 236 [2022-12-13 16:37:08,956 INFO L321 Elim1Store]: treesize reduction 107, result has 39.2 percent of original size [2022-12-13 16:37:08,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 372 treesize of output 384 [2022-12-13 16:37:09,139 INFO L321 Elim1Store]: treesize reduction 392, result has 33.6 percent of original size [2022-12-13 16:37:09,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 282 treesize of output 411 [2022-12-13 16:37:09,256 INFO L321 Elim1Store]: treesize reduction 159, result has 39.8 percent of original size [2022-12-13 16:37:09,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 370 treesize of output 415 [2022-12-13 16:38:40,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-12-13 16:38:52,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 12474 treesize of output 12208 [2022-12-13 16:38:55,400 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:38:55,456 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:38:55,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:38:55,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 257 [2022-12-13 16:38:55,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:38:55,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 479 [2022-12-13 16:38:56,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 16:38:56,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 16:38:56,596 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:38:56,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 479 [2022-12-13 16:38:57,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 16:38:57,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 343 treesize of output 315 [2022-12-13 16:38:57,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 426 [2022-12-13 16:38:57,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1197 treesize of output 1137 [2022-12-13 16:38:58,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1062 treesize of output 1016 [2022-12-13 16:38:59,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 343 treesize of output 315 [2022-12-13 16:38:59,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 426 [2022-12-13 16:39:20,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 257 [2022-12-13 16:39:20,408 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:20,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 471 treesize of output 461 [2022-12-13 16:39:20,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 16:39:21,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 16:39:21,382 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:21,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 257 [2022-12-13 16:39:21,657 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:21,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 16:39:21,827 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:22,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 16:39:22,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 439 treesize of output 429 [2022-12-13 16:39:33,998 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,013 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,043 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 468 treesize of output 452 [2022-12-13 16:39:34,153 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-12-13 16:39:34,236 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,243 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,248 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,261 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-12-13 16:39:34,293 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,301 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,307 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,420 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,426 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,440 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,448 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,465 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,532 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,571 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,606 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,613 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,626 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,634 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,649 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,754 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,759 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,764 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,823 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,834 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,841 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,857 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:34,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 468 treesize of output 452 [2022-12-13 16:39:34,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2881 treesize of output 2837 [2022-12-13 16:39:35,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 851 treesize of output 839 [2022-12-13 16:39:35,207 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:35,215 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:35,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2829 treesize of output 2785 [2022-12-13 16:39:35,690 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:35,695 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:35,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 833 treesize of output 821 [2022-12-13 16:39:35,839 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:35,853 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:35,862 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:35,882 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:35,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 486 [2022-12-13 16:39:36,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 249 [2022-12-13 16:39:36,139 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,146 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,154 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,244 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,254 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,260 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,274 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 486 [2022-12-13 16:39:36,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 233 [2022-12-13 16:39:36,445 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,463 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,469 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 233 [2022-12-13 16:39:36,571 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,593 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,600 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 452 treesize of output 436 [2022-12-13 16:39:36,776 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,787 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,809 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:36,817 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:44,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12610 treesize of output 12414 [2022-12-13 16:39:45,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10154 treesize of output 9986 [2022-12-13 16:39:47,036 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:47,043 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:47,158 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:47,209 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:47,224 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:47,230 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:47,308 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:53,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7341 treesize of output 7249 [2022-12-13 16:39:54,609 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,764 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,772 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,792 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,830 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,886 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,906 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,914 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,929 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,949 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,957 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:54,971 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:55,028 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:55,033 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:55,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5918 treesize of output 5842 [2022-12-13 16:39:57,088 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 450 treesize of output 434 [2022-12-13 16:39:57,148 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,167 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,174 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,270 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-12-13 16:39:57,320 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,329 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,337 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,396 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,455 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,502 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,608 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,634 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,762 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,768 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,776 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,884 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,906 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,928 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,937 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:57,979 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-12-13 16:39:58,084 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,100 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,259 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,266 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,290 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,436 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 450 treesize of output 434 [2022-12-13 16:39:58,531 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-12-13 16:39:58,570 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,580 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,589 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,837 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:39:58,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 265 treesize of output 253 [2022-12-13 16:39:58,876 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,884 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,927 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,964 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,970 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:58,990 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:59,060 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:39:59,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 439 treesize of output 425 [2022-12-13 16:39:59,123 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:39:59,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 265 treesize of output 253 [2022-12-13 16:39:59,163 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:59,172 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:59,261 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:39:59,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 471 treesize of output 457 [2022-12-13 16:39:59,342 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:59,359 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:59,364 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:39:59,373 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:40:00,564 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:40:00,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-12-13 16:40:00,602 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:40:00,610 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:40:00,627 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:40:00,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 247 [2022-12-13 16:40:00,753 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:40:00,762 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:40:00,769 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:40:00,773 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 16:42:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,399 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,415 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:11,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,442 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:11,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,460 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:11,474 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 16:42:11,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 460 treesize of output 340 [2022-12-13 16:42:11,528 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 16:42:11,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 460 treesize of output 340 [2022-12-13 16:42:11,578 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 16:42:11,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 494 treesize of output 380 [2022-12-13 16:42:11,635 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 16:42:11,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 442 treesize of output 322 [2022-12-13 16:42:11,680 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 16:42:11,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 442 treesize of output 322 [2022-12-13 16:42:11,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,767 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,798 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:11,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,839 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:11,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,879 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,924 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:11,966 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:11,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:12,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,010 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,048 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:12,079 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 16:42:12,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 442 treesize of output 322 [2022-12-13 16:42:12,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,264 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:12,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,297 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,320 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:12,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,360 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,387 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:12,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,429 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:12,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,452 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,488 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:12,508 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 16:42:12,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 476 treesize of output 362 [2022-12-13 16:42:12,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,743 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 46 [2022-12-13 16:42:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:42:12,764 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 16:42:12,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 37 [2022-12-13 16:42:12,795 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 16:42:12,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 460 treesize of output 340 [2022-12-13 16:42:25,327 WARN L233 SmtUtils]: Spent 12.44s on a formula simplification that was a NOOP. DAG size: 2075 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-13 16:42:25,328 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 16:42:25,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 1 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 495 case distinctions, treesize of input 2412 treesize of output 6108