./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6604dbb2462dfab53c0d37d83d08add09bc53abffb53773fd7099f9e7acddff3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:28:28,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:28:28,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-06 20:28:28,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:28:28,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:28:28,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:28:28,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:28:28,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:28:28,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:28:28,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:28:28,342 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:28:28,343 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:28:28,343 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:28:28,344 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:28:28,345 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:28:28,345 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:28:28,346 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:28:28,346 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:28:28,347 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:28:28,348 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:28:28,348 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:28:28,349 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:28:28,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:28:28,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 20:28:28,351 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:28:28,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:28:28,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:28:28,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:28:28,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 20:28:28,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:28:28,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 20:28:28,355 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:28:28,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 20:28:28,356 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:28:28,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:28:28,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:28:28,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:28:28,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:28:28,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:28:28,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 20:28:28,359 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:28:28,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:28:28,360 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 20:28:28,360 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:28:28,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:28:28,361 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6604dbb2462dfab53c0d37d83d08add09bc53abffb53773fd7099f9e7acddff3 [2023-11-06 20:28:28,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:28:28,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:28:28,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:28:28,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:28:28,696 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:28:28,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i [2023-11-06 20:28:31,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:28:32,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:28:32,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i [2023-11-06 20:28:32,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/data/9fe34e3fb/b5c6222e909e4a67b7148ac5bcc09e66/FLAG51e6d5d0a [2023-11-06 20:28:32,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/data/9fe34e3fb/b5c6222e909e4a67b7148ac5bcc09e66 [2023-11-06 20:28:32,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:28:32,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:28:32,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:28:32,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:28:32,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:28:32,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a36d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32, skipping insertion in model container [2023-11-06 20:28:32,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:28:32,317 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i[919,932] [2023-11-06 20:28:32,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:28:32,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:28:32,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i[919,932] [2023-11-06 20:28:32,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:28:32,398 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:28:32,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32 WrapperNode [2023-11-06 20:28:32,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:28:32,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:28:32,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:28:32,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:28:32,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,438 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2023-11-06 20:28:32,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:28:32,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:28:32,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:28:32,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:28:32,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:28:32,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:28:32,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:28:32,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:28:32,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (1/1) ... [2023-11-06 20:28:32,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:28:32,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:28:32,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:28:32,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:28:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:28:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 20:28:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 20:28:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 20:28:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:28:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 20:28:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:28:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:28:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 20:28:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 20:28:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 20:28:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:28:32,699 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:28:32,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:28:32,917 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:28:32,972 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:28:32,973 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 20:28:32,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:32 BoogieIcfgContainer [2023-11-06 20:28:32,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:28:32,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:28:32,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:28:32,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:28:32,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:28:32" (1/3) ... [2023-11-06 20:28:32,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416d33a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:28:32, skipping insertion in model container [2023-11-06 20:28:32,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:32" (2/3) ... [2023-11-06 20:28:32,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416d33a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:28:32, skipping insertion in model container [2023-11-06 20:28:32,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:32" (3/3) ... [2023-11-06 20:28:32,995 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2023-11-06 20:28:33,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:28:33,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 20:28:33,064 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 20:28:33,071 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@48938572, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 20:28:33,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 20:28:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.4) internal successors, (21), 17 states have internal predecessors, (21), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 20:28:33,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 20:28:33,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 20:28:33,083 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 20:28:33,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 20:28:33,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 20:28:33,088 INFO L85 PathProgramCache]: Analyzing trace with hash -793010551, now seen corresponding path program 1 times [2023-11-06 20:28:33,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 20:28:33,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663334760] [2023-11-06 20:28:33,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:28:33,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 20:28:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 20:28:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 20:28:33,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-06 20:28:33,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663334760] [2023-11-06 20:28:33,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663334760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 20:28:33,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 20:28:33,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 20:28:33,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564142890] [2023-11-06 20:28:33,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 20:28:33,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 20:28:33,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-06 20:28:33,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 20:28:33,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 20:28:33,470 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.4) internal successors, (21), 17 states have internal predecessors, (21), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 20:28:33,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 20:28:33,518 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2023-11-06 20:28:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 20:28:33,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-06 20:28:33,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 20:28:33,529 INFO L225 Difference]: With dead ends: 47 [2023-11-06 20:28:33,530 INFO L226 Difference]: Without dead ends: 23 [2023-11-06 20:28:33,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 20:28:33,537 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 20:28:33,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 20:28:33,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-06 20:28:33,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-06 20:28:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 20:28:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2023-11-06 20:28:33,591 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 14 [2023-11-06 20:28:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 20:28:33,591 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-06 20:28:33,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 20:28:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-06 20:28:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 20:28:33,594 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 20:28:33,594 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 20:28:33,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 20:28:33,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 20:28:33,595 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 20:28:33,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2051718140, now seen corresponding path program 1 times [2023-11-06 20:28:33,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 20:28:33,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687250843] [2023-11-06 20:28:33,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:28:33,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 20:28:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 20:28:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 20:28:33,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-06 20:28:33,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687250843] [2023-11-06 20:28:33,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687250843] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 20:28:33,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218960581] [2023-11-06 20:28:33,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:28:33,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 20:28:33,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:28:33,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 20:28:33,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 20:28:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 20:28:33,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 20:28:33,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 20:28:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 20:28:34,297 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 20:28:34,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218960581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 20:28:34,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 20:28:34,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2023-11-06 20:28:34,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606172998] [2023-11-06 20:28:34,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 20:28:34,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 20:28:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-06 20:28:34,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 20:28:34,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 20:28:34,313 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 20:28:34,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 20:28:34,503 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2023-11-06 20:28:34,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 20:28:34,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2023-11-06 20:28:34,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 20:28:34,507 INFO L225 Difference]: With dead ends: 32 [2023-11-06 20:28:34,507 INFO L226 Difference]: Without dead ends: 30 [2023-11-06 20:28:34,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 20:28:34,509 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 20:28:34,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 57 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 20:28:34,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-06 20:28:34,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2023-11-06 20:28:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 20:28:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-11-06 20:28:34,538 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 15 [2023-11-06 20:28:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 20:28:34,539 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-06 20:28:34,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 20:28:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-06 20:28:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 20:28:34,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 20:28:34,542 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 20:28:34,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 20:28:34,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 20:28:34,750 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 20:28:34,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 20:28:34,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2009796492, now seen corresponding path program 1 times [2023-11-06 20:28:34,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 20:28:34,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354591834] [2023-11-06 20:28:34,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:28:34,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 20:28:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 20:28:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 20:28:34,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-06 20:28:35,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354591834] [2023-11-06 20:28:35,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354591834] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 20:28:35,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616480869] [2023-11-06 20:28:35,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:28:35,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 20:28:35,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:28:35,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 20:28:35,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 20:28:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 20:28:35,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 20:28:35,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 20:28:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 20:28:35,125 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 20:28:35,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616480869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 20:28:35,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 20:28:35,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-06 20:28:35,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974661639] [2023-11-06 20:28:35,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 20:28:35,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 20:28:35,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-06 20:28:35,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 20:28:35,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 20:28:35,129 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 20:28:35,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 20:28:35,162 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2023-11-06 20:28:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 20:28:35,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2023-11-06 20:28:35,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 20:28:35,166 INFO L225 Difference]: With dead ends: 42 [2023-11-06 20:28:35,166 INFO L226 Difference]: Without dead ends: 32 [2023-11-06 20:28:35,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 20:28:35,170 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 20:28:35,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 39 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 20:28:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-06 20:28:35,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2023-11-06 20:28:35,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 20:28:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-11-06 20:28:35,187 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2023-11-06 20:28:35,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 20:28:35,187 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-11-06 20:28:35,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 20:28:35,187 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-06 20:28:35,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 20:28:35,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 20:28:35,189 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 20:28:35,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 20:28:35,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 20:28:35,395 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 20:28:35,395 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 20:28:35,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2040663439, now seen corresponding path program 1 times [2023-11-06 20:28:35,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 20:28:35,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10615909] [2023-11-06 20:28:35,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:28:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 20:28:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 20:28:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 20:28:35,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-06 20:28:35,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10615909] [2023-11-06 20:28:35,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10615909] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 20:28:35,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204056695] [2023-11-06 20:28:35,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:28:35,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 20:28:35,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:28:35,638 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 20:28:35,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 20:28:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 20:28:35,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 20:28:35,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 20:28:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 20:28:35,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 20:28:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 20:28:35,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204056695] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 20:28:35,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [20134051] [2023-11-06 20:28:35,850 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2023-11-06 20:28:35,850 INFO L166 IcfgInterpreter]: Building call graph [2023-11-06 20:28:35,858 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-06 20:28:35,864 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-06 20:28:35,865 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-06 20:28:39,206 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 120 for LOIs [2023-11-06 20:28:39,823 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-06 20:28:39,824 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-06 20:28:42,188 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '592#(and (or (exists ((|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_22| Int) (|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_24| Int) (|v_ULTIMATE.start_main_~loop_entered~0#1_BEFORE_CALL_25| Int)) (and (= |v_ULTIMATE.start_main_~loop_entered~0#1_BEFORE_CALL_25| 1) (<= (+ (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_24| 4294967296) 1) (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_22| 4294967296)) (<= 100000 (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_22| 4294967296)))) (exists ((|v_ULTIMATE.start_main_~loop_entered~0#1_BEFORE_CALL_19| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_16| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_17| Int) (|v_ULTIMATE.start_main_#t~mem9#1_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_main_#t~mem10#1_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_18| Int) (|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_17| Int)) (and (or (and (<= (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_18| 4294967296) 2147483647) (= |v_ULTIMATE.start_main_#t~mem9#1_BEFORE_CALL_1| (select (select |#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_17|) (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_17| (* 4 (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_18| 4294967296)))))) (and (= |v_ULTIMATE.start_main_#t~mem9#1_BEFORE_CALL_1| (select (select |#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_17|) (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_17| (- 17179869184) (* 4 (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_18| 4294967296))))) (<= 2147483648 (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_18| 4294967296)))) (<= (+ (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_16| 4294967296) 1) (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_18| 4294967296)) (= |v_ULTIMATE.start_main_~loop_entered~0#1_BEFORE_CALL_19| 1) (not (= (mod |v_ULTIMATE.start_main_#t~mem9#1_BEFORE_CALL_1| 4294967296) (mod |v_ULTIMATE.start_main_#t~mem10#1_BEFORE_CALL_1| 4294967296))) (or (and (= |v_ULTIMATE.start_main_#t~mem10#1_BEFORE_CALL_1| (select (select |#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_17|) (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_17| (- 17179869184) (* (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_16| 4294967296) 4)))) (<= 2147483648 (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_16| 4294967296))) (and (<= (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_16| 4294967296) 2147483647) (= (select (select |#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_17|) (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_17| (* (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_16| 4294967296) 4))) |v_ULTIMATE.start_main_#t~mem10#1_BEFORE_CALL_1|)))))) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0))' at error location [2023-11-06 20:28:42,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-06 20:28:42,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 20:28:42,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2023-11-06 20:28:42,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234976896] [2023-11-06 20:28:42,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 20:28:42,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 20:28:42,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-06 20:28:42,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 20:28:42,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2023-11-06 20:28:42,191 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 20:28:42,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 20:28:42,256 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2023-11-06 20:28:42,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 20:28:42,257 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 28 [2023-11-06 20:28:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 20:28:42,258 INFO L225 Difference]: With dead ends: 56 [2023-11-06 20:28:42,258 INFO L226 Difference]: Without dead ends: 31 [2023-11-06 20:28:42,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2023-11-06 20:28:42,260 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 20:28:42,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 20:28:42,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-06 20:28:42,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-06 20:28:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 20:28:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2023-11-06 20:28:42,268 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 28 [2023-11-06 20:28:42,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 20:28:42,269 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2023-11-06 20:28:42,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-06 20:28:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-06 20:28:42,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 20:28:42,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 20:28:42,271 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 20:28:42,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 20:28:42,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 20:28:42,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 20:28:42,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 20:28:42,477 INFO L85 PathProgramCache]: Analyzing trace with hash 187271500, now seen corresponding path program 2 times [2023-11-06 20:28:42,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 20:28:42,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170589217] [2023-11-06 20:28:42,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 20:28:42,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 20:28:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 20:28:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 20:28:42,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-06 20:28:42,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170589217] [2023-11-06 20:28:42,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170589217] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 20:28:42,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222536171] [2023-11-06 20:28:42,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 20:28:42,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 20:28:42,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:28:42,712 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 20:28:42,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 20:28:43,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-06 20:28:43,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 20:28:43,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-06 20:28:43,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 20:28:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 20:28:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 20:28:43,669 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 20:28:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 20:28:43,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 20:28:43,674 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 20:28:43,688 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 20:28:43,688 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 105 treesize of output 56 [2023-11-06 20:28:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-06 20:28:43,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 20:28:46,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222536171] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 20:28:46,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [241798058] [2023-11-06 20:28:46,730 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2023-11-06 20:28:46,731 INFO L166 IcfgInterpreter]: Building call graph [2023-11-06 20:28:46,731 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-06 20:28:46,732 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-06 20:28:46,732 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-06 20:28:48,473 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 120 for LOIs [2023-11-06 20:28:48,889 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2023-11-06 20:28:48,890 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-06 20:28:51,887 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '879#(and (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (or (exists ((|v_ULTIMATE.start_main_~loop_entered~0#1_BEFORE_CALL_44| Int) (|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_45| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_43| Int) (|v_ULTIMATE.start_main_#t~mem10#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_46| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_40| Int) (|v_ULTIMATE.start_main_#t~mem9#1_BEFORE_CALL_3| Int)) (and (or (and (= |v_ULTIMATE.start_main_#t~mem9#1_BEFORE_CALL_3| (select (select |#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_43|) (+ (* 4 (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_45| 4294967296)) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_46|))) (<= (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_45| 4294967296) 2147483647)) (and (= |v_ULTIMATE.start_main_#t~mem9#1_BEFORE_CALL_3| (select (select |#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_43|) (+ (* 4 (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_45| 4294967296)) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_46| (- 17179869184)))) (<= 2147483648 (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_45| 4294967296)))) (not (= (mod |v_ULTIMATE.start_main_#t~mem9#1_BEFORE_CALL_3| 4294967296) (mod |v_ULTIMATE.start_main_#t~mem10#1_BEFORE_CALL_3| 4294967296))) (<= (+ (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_40| 4294967296) 1) (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_45| 4294967296)) (or (and (<= 2147483648 (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_40| 4294967296)) (= (select (select |#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_43|) (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_46| (- 17179869184) (* (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_40| 4294967296) 4))) |v_ULTIMATE.start_main_#t~mem10#1_BEFORE_CALL_3|)) (and (= (select (select |#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_43|) (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_46| (* (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_40| 4294967296) 4))) |v_ULTIMATE.start_main_#t~mem10#1_BEFORE_CALL_3|) (<= (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_40| 4294967296) 2147483647))) (= |v_ULTIMATE.start_main_~loop_entered~0#1_BEFORE_CALL_44| 1))) (exists ((|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_51| Int) (|v_ULTIMATE.start_main_~loop_entered~0#1_BEFORE_CALL_50| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_46| Int)) (and (<= 100000 (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_46| 4294967296)) (<= (+ (mod |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_51| 4294967296) 1) (mod |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_46| 4294967296)) (= |v_ULTIMATE.start_main_~loop_entered~0#1_BEFORE_CALL_50| 1)))))' at error location [2023-11-06 20:28:51,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-06 20:28:51,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 20:28:51,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14] total 19 [2023-11-06 20:28:51,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307367626] [2023-11-06 20:28:51,888 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 20:28:51,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 20:28:51,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-06 20:28:51,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 20:28:51,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1273, Unknown=0, NotChecked=0, Total=1406 [2023-11-06 20:28:51,891 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 19 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 5 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-06 20:28:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 20:28:52,906 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2023-11-06 20:28:52,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 20:28:52,907 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 5 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 31 [2023-11-06 20:28:52,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 20:28:52,907 INFO L225 Difference]: With dead ends: 64 [2023-11-06 20:28:52,908 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 20:28:52,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=226, Invalid=2224, Unknown=0, NotChecked=0, Total=2450 [2023-11-06 20:28:52,910 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 20:28:52,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 105 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 20:28:52,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 20:28:52,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 20:28:52,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 20:28:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 20:28:52,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-06 20:28:52,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 20:28:52,913 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 20:28:52,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 5 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-06 20:28:52,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 20:28:52,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 20:28:52,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 20:28:52,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 20:28:53,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 20:28:53,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 20:28:53,415 INFO L895 garLoopResultBuilder]: At program point L40-3(lines 40 42) the Hoare annotation is: (and (= |ULTIMATE.start_main_~loop_entered~0#1| 0) (= |ULTIMATE.start_main_~#array~0#1.offset| 0)) [2023-11-06 20:28:53,415 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2023-11-06 20:28:53,415 INFO L895 garLoopResultBuilder]: At program point L49-1(lines 49 55) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_main_~#array~0#1.offset| 0))) (or (let ((.cse2 (mod (+ |ULTIMATE.start_main_~index1~0#1| 4294967295) 4294967296)) (.cse0 (mod (+ |ULTIMATE.start_main_~index2~0#1| 1) 4294967296))) (and (<= .cse0 99999) (let ((.cse1 (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|))) (= (mod (select .cse1 (* 4 .cse0)) 4294967296) (mod (select .cse1 (* .cse2 4)) 4294967296))) .cse3 (<= (+ .cse2 1) .cse0))) (and (= |ULTIMATE.start_main_~loop_entered~0#1| 0) (<= (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 99999) .cse3))) [2023-11-06 20:28:53,415 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 34 65) no Hoare annotation was computed. [2023-11-06 20:28:53,416 INFO L895 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: (and (= |ULTIMATE.start_main_~loop_entered~0#1| 0) (= |ULTIMATE.start_main_~#array~0#1.offset| 0)) [2023-11-06 20:28:53,416 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-06 20:28:53,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 20:28:53,416 INFO L895 garLoopResultBuilder]: At program point L58-2(lines 58 62) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_main_~#array~0#1.offset| 0)) (.cse1 (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|))) (or (let ((.cse2 (mod (+ |ULTIMATE.start_main_~index1~0#1| 4294967295) 4294967296)) (.cse0 (mod (+ |ULTIMATE.start_main_~index2~0#1| 1) 4294967296))) (and (<= .cse0 99999) (= (mod (select .cse1 (* 4 .cse0)) 4294967296) (mod (select .cse1 (* .cse2 4)) 4294967296)) .cse3 (<= (+ .cse2 1) .cse0))) (let ((.cse4 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse5 (mod |ULTIMATE.start_main_~index2~0#1| 4294967296))) (and (<= (+ .cse4 1) .cse5) (<= .cse5 99999) .cse3 (= (mod (select .cse1 (* .cse4 4)) 4294967296) (mod (select .cse1 (* .cse5 4)) 4294967296)))))) [2023-11-06 20:28:53,416 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (let ((.cse0 (mod |ULTIMATE.start_main_~index2~0#1| 4294967296))) (and (<= (+ (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) 1) .cse0) (<= .cse0 99999) (= |ULTIMATE.start_main_~#array~0#1.offset| 0))) [2023-11-06 20:28:53,416 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-11-06 20:28:53,416 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 20:28:53,416 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (let ((.cse2 (mod (+ |ULTIMATE.start_main_~index1~0#1| 4294967295) 4294967296)) (.cse0 (mod (+ |ULTIMATE.start_main_~index2~0#1| 1) 4294967296))) (and (<= .cse0 99999) (= (mod (+ |ULTIMATE.start_main_#t~mem9#1| (* 4294967295 |ULTIMATE.start_main_#t~mem10#1|)) 4294967296) 0) (let ((.cse1 (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|))) (= (mod (select .cse1 (* 4 .cse0)) 4294967296) (mod (select .cse1 (* .cse2 4)) 4294967296))) (= |ULTIMATE.start_main_~#array~0#1.offset| 0) (<= (+ .cse2 1) .cse0))) [2023-11-06 20:28:53,417 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2023-11-06 20:28:53,417 INFO L895 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: (let ((.cse1 (mod |ULTIMATE.start_main_~index1~0#1| 4294967296)) (.cse0 (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|)) (.cse2 (mod |ULTIMATE.start_main_~index2~0#1| 4294967296))) (and (= |ULTIMATE.start_main_#t~mem5#1| (select .cse0 (* .cse1 4))) (<= (+ .cse1 1) .cse2) (= |ULTIMATE.start_main_#t~mem6#1| (select .cse0 (* .cse2 4))) (<= .cse2 99999) (= |ULTIMATE.start_main_~#array~0#1.offset| 0))) [2023-11-06 20:28:53,417 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2023-11-06 20:28:53,417 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (and (= |ULTIMATE.start_main_~loop_entered~0#1| 0) (= |ULTIMATE.start_main_~#array~0#1.offset| 0)) [2023-11-06 20:28:53,417 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 20 22) the Hoare annotation is: true [2023-11-06 20:28:53,417 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 20 22) no Hoare annotation was computed. [2023-11-06 20:28:53,417 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2023-11-06 20:28:53,417 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 23 29) no Hoare annotation was computed. [2023-11-06 20:28:53,418 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 23 29) the Hoare annotation is: true [2023-11-06 20:28:53,418 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 27) no Hoare annotation was computed. [2023-11-06 20:28:53,418 INFO L899 garLoopResultBuilder]: For program point L25-2(lines 23 29) no Hoare annotation was computed. [2023-11-06 20:28:53,418 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2023-11-06 20:28:53,421 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-11-06 20:28:53,425 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 20:28:53,441 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,441 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated [2023-11-06 20:28:53,442 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,442 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,445 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,445 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated [2023-11-06 20:28:53,446 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,446 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,449 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated [2023-11-06 20:28:53,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index1~0 % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index2~0 % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,455 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,455 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated [2023-11-06 20:28:53,456 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,456 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,456 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,456 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index1~0 % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,457 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,457 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index2~0 % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 08:28:53 BoogieIcfgContainer [2023-11-06 20:28:53,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 20:28:53,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 20:28:53,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 20:28:53,459 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 20:28:53,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:32" (3/4) ... [2023-11-06 20:28:53,461 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 20:28:53,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 20:28:53,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-06 20:28:53,472 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-06 20:28:53,472 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 20:28:53,475 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 20:28:53,475 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 20:28:53,555 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/witness.graphml.graphml [2023-11-06 20:28:53,556 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/witness.graphml.yaml [2023-11-06 20:28:53,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 20:28:53,557 INFO L158 Benchmark]: Toolchain (without parser) took 21441.69ms. Allocated memory was 132.1MB in the beginning and 299.9MB in the end (delta: 167.8MB). Free memory was 85.2MB in the beginning and 159.3MB in the end (delta: -74.1MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2023-11-06 20:28:53,557 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:28:53,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.42ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 74.0MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 20:28:53,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.85ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:28:53,558 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 132.1MB. Free memory was 72.4MB in the beginning and 71.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 20:28:53,558 INFO L158 Benchmark]: RCFGBuilder took 512.61ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 71.1MB in the beginning and 136.3MB in the end (delta: -65.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-06 20:28:53,559 INFO L158 Benchmark]: TraceAbstraction took 20475.58ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 135.6MB in the beginning and 163.5MB in the end (delta: -27.9MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2023-11-06 20:28:53,560 INFO L158 Benchmark]: Witness Printer took 97.57ms. Allocated memory is still 299.9MB. Free memory was 163.5MB in the beginning and 159.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 20:28:53,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.42ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 74.0MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.85ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 132.1MB. Free memory was 72.4MB in the beginning and 71.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.61ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 71.1MB in the beginning and 136.3MB in the end (delta: -65.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20475.58ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 135.6MB in the beginning and 163.5MB in the end (delta: -27.9MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * Witness Printer took 97.57ms. Allocated memory is still 299.9MB. Free memory was 163.5MB in the beginning and 159.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index1~0 % 4294967296 * 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index2~0 % 4294967296 * 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index1~0 % 4294967296 * 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index2~0 % 4294967296 * 4] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 26]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 266 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 91 mSDtfsCounter, 413 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=4, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 31 PreInvPairs, 47 NumberOfFragments, 298 HoareAnnotationTreeSize, 31 FomulaSimplifications, 138 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 215 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 196 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 614 SizeOfPredicates, 13 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 66/82 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (loop_entered == 0) - InvariantResult [Line: 49]: Loop Invariant [2023-11-06 20:28:53,598 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,599 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated [2023-11-06 20:28:53,599 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,599 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,600 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,600 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated [2023-11-06 20:28:53,600 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,600 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated Derived loop invariant: (((((index2 + 1) % 4294967296) <= 99999) && ((((index1 + 4294967295) % 4294967296) + 1) <= ((index2 + 1) % 4294967296))) || ((loop_entered == 0) && ((index2 % 4294967296) <= 99999))) - InvariantResult [Line: 58]: Loop Invariant [2023-11-06 20:28:53,601 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,601 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated [2023-11-06 20:28:53,601 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,602 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,602 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,602 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index1~0 % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,602 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,603 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index2~0 % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,603 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,603 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][4 * ((~index2~0 + 1) % 4294967296)] could not be translated [2023-11-06 20:28:53,603 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,604 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][(~index1~0 + 4294967295) % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,605 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,611 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index1~0 % 4294967296 * 4] could not be translated [2023-11-06 20:28:53,611 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base] could not be translated [2023-11-06 20:28:53,611 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#array~0!base][~index2~0 % 4294967296 * 4] could not be translated Derived loop invariant: (((((index2 + 1) % 4294967296) <= 99999) && ((((index1 + 4294967295) % 4294967296) + 1) <= ((index2 + 1) % 4294967296))) || ((((index1 % 4294967296) + 1) <= (index2 % 4294967296)) && ((index2 % 4294967296) <= 99999))) RESULT: Ultimate proved your program to be correct! [2023-11-06 20:28:53,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dbe21a-914a-4430-af2d-12b233f1fedb/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE