./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84da415e9ad0a7cbbc07d5b79a769caa1c0599f3ba39b8d5c5504fcb214f076c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:41,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:41,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:11:41,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:41,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:41,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:41,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:41,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:41,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:41,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:41,559 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:41,560 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:41,560 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:41,562 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:41,563 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:41,563 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:41,564 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:41,565 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:41,565 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:41,566 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:41,566 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:41,567 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:41,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:41,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:41,569 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:41,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:41,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:41,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:41,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:41,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:41,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:41,574 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:41,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:41,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:41,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:41,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:41,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:41,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:41,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:41,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:41,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:41,579 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:41,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:41,579 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:41,580 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:41,580 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:41,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:41,581 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_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84da415e9ad0a7cbbc07d5b79a769caa1c0599f3ba39b8d5c5504fcb214f076c [2023-11-23 21:11:41,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:41,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:41,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:42,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:42,000 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:42,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i [2023-11-23 21:11:45,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:45,436 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:45,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i [2023-11-23 21:11:45,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/data/a4e68268e/48212ee0a46a48098d149d92cdffb435/FLAG6d4d50b9a [2023-11-23 21:11:45,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/data/a4e68268e/48212ee0a46a48098d149d92cdffb435 [2023-11-23 21:11:45,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:45,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:45,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:45,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:45,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:45,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f4ff49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45, skipping insertion in model container [2023-11-23 21:11:45,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:45,677 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_042dafca-03d5-48f5-a3cc-446e18087b4e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i[916,929] [2023-11-23 21:11:45,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:45,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:45,781 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_042dafca-03d5-48f5-a3cc-446e18087b4e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i[916,929] [2023-11-23 21:11:45,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:45,861 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:45,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45 WrapperNode [2023-11-23 21:11:45,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:45,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:45,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:45,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:45,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,936 INFO L138 Inliner]: procedures = 29, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 363 [2023-11-23 21:11:45,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:45,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:45,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:45,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:45,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:45,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:46,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:46,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:46,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:46,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:46,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:46,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (1/1) ... [2023-11-23 21:11:46,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:46,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:46,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:46,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:11:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:11:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:11:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:11:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:11:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:46,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:46,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:46,810 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:47,522 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:47,523 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:47,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:47 BoogieIcfgContainer [2023-11-23 21:11:47,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:47,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:47,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:47,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:47,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:45" (1/3) ... [2023-11-23 21:11:47,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6aabc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:47, skipping insertion in model container [2023-11-23 21:11:47,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:45" (2/3) ... [2023-11-23 21:11:47,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6aabc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:47, skipping insertion in model container [2023-11-23 21:11:47,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:47" (3/3) ... [2023-11-23 21:11:47,539 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-31.i [2023-11-23 21:11:47,558 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:47,559 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:47,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:47,631 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2627359c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:47,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:11:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 21:11:47,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:47,647 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:47,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:47,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash 108650302, now seen corresponding path program 1 times [2023-11-23 21:11:47,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:47,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189700911] [2023-11-23 21:11:47,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:47,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:47,948 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:11:47,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732400233] [2023-11-23 21:11:47,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:47,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:47,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:47,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:11:47,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:11:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:48,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:11:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:49,003 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:11:49,007 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:11:49,009 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:11:49,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:11:49,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:11:49,233 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:11:49,237 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:11:49,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-23 21:11:49,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-23 21:11:49,293 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-23 21:11:49,293 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-23 21:11:49,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:11:49,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:11:49,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:11:49,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:11:49,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:11:49,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:11:49,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-23 21:11:49,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-23 21:11:49,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:11:49,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-23 21:11:49,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:11:49,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-23 21:11:49,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:11:49,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-23 21:11:49,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:11:49,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:11:49,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:11:49,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-23 21:11:49,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:11:49,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:11:49,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:11:49,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:11:49,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:11:49,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:11:49,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 21:11:49,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 21:11:49,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:11:49,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:11:49,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-23 21:11:49,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-23 21:11:49,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:49 BoogieIcfgContainer [2023-11-23 21:11:49,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:11:49,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:11:49,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:11:49,344 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:11:49,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:47" (3/4) ... [2023-11-23 21:11:49,348 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:11:49,350 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:11:49,352 INFO L158 Benchmark]: Toolchain (without parser) took 3882.86ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 142.0MB in the beginning and 160.6MB in the end (delta: -18.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-23 21:11:49,353 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:49,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.96ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 127.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:11:49,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.31ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 123.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:49,360 INFO L158 Benchmark]: Boogie Preprocessor took 69.32ms. Allocated memory is still 174.1MB. Free memory was 123.9MB in the beginning and 121.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:11:49,362 INFO L158 Benchmark]: RCFGBuilder took 1518.00ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 116.8MB in the end (delta: 4.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 21:11:49,365 INFO L158 Benchmark]: TraceAbstraction took 1813.54ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 115.8MB in the beginning and 161.6MB in the end (delta: -45.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2023-11-23 21:11:49,366 INFO L158 Benchmark]: Witness Printer took 7.05ms. Allocated memory is still 209.7MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:49,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.96ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 127.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.31ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 123.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.32ms. Allocated memory is still 174.1MB. Free memory was 123.9MB in the beginning and 121.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1518.00ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 116.8MB in the end (delta: 4.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1813.54ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 115.8MB in the beginning and 161.6MB in the end (delta: -45.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 7.05ms. Allocated memory is still 209.7MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2] = { 0.97, 32.6 }; [L28-L30] signed long int signed_long_int_Array_0[2][2] = { {-32, 1107940323}, {4, 200} }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 4, 64 }; [L34] double last_1_double_Array_0_0_ = 0.97; [L35] signed long int last_1_signed_long_int_Array_0_1__0_ = 4; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L94] EXPR double_Array_0[0] [L94] last_1_double_Array_0_0_ = double_Array_0[0] [L95] EXPR signed_long_int_Array_0[1][0] [L95] last_1_signed_long_int_Array_0_1__0_ = signed_long_int_Array_0[1][0] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L78] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L80] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L81] double_Array_0[1] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L82] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L82] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L83] signed_long_int_Array_0[0][0] = __VERIFIER_nondet_long() [L84] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_long_int_Array_0[0][0] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L85] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L85] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L86] signed_long_int_Array_0[0][1] = __VERIFIER_nondet_long() [L87] EXPR signed_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[0][1] >= 1073741822) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_long_int_Array_0[0][1] >= 1073741822) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L88] EXPR signed_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[0][1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_long_int_Array_0[0][1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L89] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L90] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L90] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L91] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L106] RET updateVariables() [L107] CALL step() [L39] EXPR signed_long_int_Array_0[0][1] [L39] EXPR signed_long_int_Array_0[0][0] [L39] COND TRUE ! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_)) [L40] COND TRUE ((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_ [L41] BOOL_unsigned_char_Array_0[0] [L41] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L48] EXPR unsigned_char_Array_0[1] [L48] EXPR unsigned_char_Array_0[1] [L48] COND FALSE !(unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR signed_long_int_Array_0[0][1] [L51] signed_long_int_Array_0[1][0] = (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]) [L53] EXPR unsigned_char_Array_0[1] [L53] EXPR signed_long_int_Array_0[0][1] [L53] EXPR unsigned_char_Array_0[1] [L53] COND FALSE !((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) [L64] EXPR double_Array_0[1] [L64] double_Array_0[0] = double_Array_0[1] [L66] BOOL_unsigned_char_Array_0[1] [L66] COND TRUE BOOL_unsigned_char_Array_0[1] [L67] EXPR signed_long_int_Array_0[0][1] [L67] EXPR unsigned_char_Array_0[1] [L67] EXPR unsigned_char_Array_0[1] [L67] signed_long_int_Array_0[1][1] = ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]) [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR BOOL_unsigned_char_Array_0[1] [L98] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1) [L98] EXPR signed_long_int_Array_0[1][1] [L98] EXPR signed_long_int_Array_0[0][1] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1) [L98] EXPR (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1])))) [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR (unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))) [L98] EXPR signed_long_int_Array_0[1][0] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR signed_long_int_Array_0[0][1] [L98] EXPR (unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))) [L98] EXPR (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1])))) [L98] EXPR ((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) [L98] EXPR signed_long_int_Array_0[0][1] [L98] EXPR signed_long_int_Array_0[0][0] [L98] EXPR (! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) [L98] EXPR (((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1 [L98] EXPR (! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) [L98] EXPR ((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) [L98] EXPR (((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) && (((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR signed_long_int_Array_0[0][1] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR ((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1])) [L98] EXPR double_Array_0[0] [L98] EXPR double_Array_0[1] [L98] EXPR ((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1])) [L98] EXPR (((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) && (((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) [L98-L99] return (((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) && (((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:11:49,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84da415e9ad0a7cbbc07d5b79a769caa1c0599f3ba39b8d5c5504fcb214f076c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:52,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:52,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:11:52,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:52,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:52,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:52,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:52,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:52,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:52,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:52,454 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:52,454 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:52,455 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:52,456 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:52,457 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:52,457 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:52,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:52,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:52,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:52,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:52,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:52,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:52,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:52,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:52,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:52,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:52,464 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:52,465 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:52,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:52,466 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:52,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:52,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:52,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:52,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:52,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:52,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:52,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:52,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:52,470 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:52,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:52,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:52,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:52,472 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:52,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:52,473 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84da415e9ad0a7cbbc07d5b79a769caa1c0599f3ba39b8d5c5504fcb214f076c [2023-11-23 21:11:52,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:52,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:52,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:52,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:52,931 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:52,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i [2023-11-23 21:11:56,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:56,492 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:56,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i [2023-11-23 21:11:56,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/data/b64c3f2c1/b7dbcf97e9af443188a67b909044f74a/FLAGe3e8fdb09 [2023-11-23 21:11:56,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/data/b64c3f2c1/b7dbcf97e9af443188a67b909044f74a [2023-11-23 21:11:56,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:56,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:56,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:56,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:56,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:56,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:56,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ca71a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56, skipping insertion in model container [2023-11-23 21:11:56,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:56,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:56,759 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_042dafca-03d5-48f5-a3cc-446e18087b4e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i[916,929] [2023-11-23 21:11:56,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:56,872 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:56,885 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_042dafca-03d5-48f5-a3cc-446e18087b4e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i[916,929] [2023-11-23 21:11:56,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:56,988 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:56,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56 WrapperNode [2023-11-23 21:11:56,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:56,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:56,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:56,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:56,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,090 INFO L138 Inliner]: procedures = 33, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-23 21:11:57,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:57,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:57,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:57,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:57,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:57,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:57,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:57,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:57,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (1/1) ... [2023-11-23 21:11:57,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:57,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:57,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 21:11:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 21:11:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:11:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:11:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 21:11:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 21:11:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:11:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:11:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:11:57,451 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:57,454 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:58,119 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:58,166 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:58,167 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:58,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:58 BoogieIcfgContainer [2023-11-23 21:11:58,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:58,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:58,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:58,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:58,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:56" (1/3) ... [2023-11-23 21:11:58,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c90a09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:58, skipping insertion in model container [2023-11-23 21:11:58,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:56" (2/3) ... [2023-11-23 21:11:58,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c90a09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:58, skipping insertion in model container [2023-11-23 21:11:58,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:58" (3/3) ... [2023-11-23 21:11:58,184 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-31.i [2023-11-23 21:11:58,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:58,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:58,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:58,279 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@405944a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:58,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:58,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 66 states have (on average 1.5) internal successors, (99), 67 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:11:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 21:11:58,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:58,299 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:58,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:58,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:58,304 INFO L85 PathProgramCache]: Analyzing trace with hash 72265026, now seen corresponding path program 1 times [2023-11-23 21:11:58,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:58,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503241767] [2023-11-23 21:11:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:58,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:58,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:11:58,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:11:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:58,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:11:58,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-23 21:11:58,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:58,802 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:58,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503241767] [2023-11-23 21:11:58,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503241767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:58,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:58,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:11:58,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867005847] [2023-11-23 21:11:58,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:58,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:11:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:58,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:11:58,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:11:58,858 INFO L87 Difference]: Start difference. First operand has 80 states, 66 states have (on average 1.5) internal successors, (99), 67 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 21:11:58,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:58,938 INFO L93 Difference]: Finished difference Result 154 states and 246 transitions. [2023-11-23 21:11:58,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:11:58,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2023-11-23 21:11:58,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:58,952 INFO L225 Difference]: With dead ends: 154 [2023-11-23 21:11:58,952 INFO L226 Difference]: Without dead ends: 75 [2023-11-23 21:11:58,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:11:58,965 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:58,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:11:58,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-23 21:11:59,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-23 21:11:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:11:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2023-11-23 21:11:59,027 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 89 [2023-11-23 21:11:59,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:59,029 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2023-11-23 21:11:59,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 21:11:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2023-11-23 21:11:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 21:11:59,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:59,039 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:59,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:11:59,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:59,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:59,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:59,247 INFO L85 PathProgramCache]: Analyzing trace with hash -944275844, now seen corresponding path program 1 times [2023-11-23 21:11:59,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:11:59,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687485748] [2023-11-23 21:11:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:59,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:11:59,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:11:59,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:11:59,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:11:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:59,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:11:59,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:59,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-23 21:11:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 21:11:59,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:59,730 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:11:59,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687485748] [2023-11-23 21:11:59,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687485748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:59,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:59,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:59,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733784537] [2023-11-23 21:11:59,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:59,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:59,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:11:59,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:59,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:59,740 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:11:59,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:59,810 INFO L93 Difference]: Finished difference Result 149 states and 217 transitions. [2023-11-23 21:11:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:59,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 89 [2023-11-23 21:11:59,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:59,813 INFO L225 Difference]: With dead ends: 149 [2023-11-23 21:11:59,813 INFO L226 Difference]: Without dead ends: 75 [2023-11-23 21:11:59,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:59,816 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:59,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:11:59,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-23 21:11:59,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-23 21:11:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 62 states have internal predecessors, (86), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:11:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 108 transitions. [2023-11-23 21:11:59,833 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 108 transitions. Word has length 89 [2023-11-23 21:11:59,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:59,835 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 108 transitions. [2023-11-23 21:11:59,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:11:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2023-11-23 21:11:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 21:11:59,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:59,838 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:59,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:00,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:00,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:00,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:00,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1965344198, now seen corresponding path program 1 times [2023-11-23 21:12:00,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:00,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425539486] [2023-11-23 21:12:00,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:00,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:00,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:00,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:00,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:12:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:00,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 21:12:00,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:01,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:12:01,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:12:02,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-23 21:12:02,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:12:02,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2023-11-23 21:12:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-23 21:12:02,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:12:03,654 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_69 (_ BitVec 32)) (v_ArrVal_71 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_69)) |c_~#double_Array_0~0.base| v_ArrVal_71)) (.cse3 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse1 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#unsigned_char_Array_0~0.base|) .cse3))))))) (= (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_71) |c_~#signed_long_int_Array_0~0.base| (let ((.cse0 (select .cse2 |c_~#signed_long_int_Array_0~0.base|))) (store .cse0 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd (select .cse0 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) .cse1)))) |c_~#unsigned_char_Array_0~0.base|) .cse3))))) .cse1)))) is different from false [2023-11-23 21:12:03,737 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_68 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_69 (_ BitVec 32)) (v_ArrVal_71 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_68))) (let ((.cse3 (store (store .cse0 |c_~#signed_long_int_Array_0~0.base| (store (select .cse0 |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_69)) |c_~#double_Array_0~0.base| v_ArrVal_71)) (.cse4 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse2 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 |c_~#unsigned_char_Array_0~0.base|) .cse4))))))) (= (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse0 |c_~#double_Array_0~0.base| v_ArrVal_71) |c_~#signed_long_int_Array_0~0.base| (let ((.cse1 (select .cse3 |c_~#signed_long_int_Array_0~0.base|))) (store .cse1 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd (select .cse1 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) .cse2)))) |c_~#unsigned_char_Array_0~0.base|) .cse4))))) .cse2))))) is different from false [2023-11-23 21:12:03,864 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:03,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425539486] [2023-11-23 21:12:03,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425539486] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:12:03,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1672677580] [2023-11-23 21:12:03,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:03,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:12:03,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:12:03,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:12:03,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:12:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:05,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 21:12:05,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:05,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:12:06,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-23 21:12:06,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-23 21:12:06,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-23 21:12:06,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-23 21:12:06,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2023-11-23 21:12:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-23 21:12:07,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:12:07,850 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_100 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_100)) (.cse3 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse2 (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#unsigned_char_Array_0~0.base|) .cse3)))) (_ bv2 32)))) (= (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store .cse0 |c_~#signed_long_int_Array_0~0.base| (let ((.cse1 (select .cse0 |c_~#signed_long_int_Array_0~0.base|))) (store .cse1 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd (select .cse1 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) .cse2)))) |c_~#unsigned_char_Array_0~0.base|) .cse3))))) .cse2)))) is different from false [2023-11-23 21:12:07,955 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_98 (_ BitVec 32)) (|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_100 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_98)) |c_~#double_Array_0~0.base| v_ArrVal_100)) (.cse3 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse1 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#unsigned_char_Array_0~0.base|) .cse3))))))) (= (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_100) |c_~#signed_long_int_Array_0~0.base| (let ((.cse0 (select .cse2 |c_~#signed_long_int_Array_0~0.base|))) (store .cse0 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse1 (select .cse0 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)))))) |c_~#unsigned_char_Array_0~0.base|) .cse3))))) .cse1)))) is different from false [2023-11-23 21:12:08,064 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_98 (_ BitVec 32)) (|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_100 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_97 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_97))) (let ((.cse3 (store (store .cse1 |c_~#signed_long_int_Array_0~0.base| (store (select .cse1 |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_98)) |c_~#double_Array_0~0.base| v_ArrVal_100)) (.cse4 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 |c_~#unsigned_char_Array_0~0.base|) .cse4))))))) (= .cse0 (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse1 |c_~#double_Array_0~0.base| v_ArrVal_100) |c_~#signed_long_int_Array_0~0.base| (let ((.cse2 (select .cse3 |c_~#signed_long_int_Array_0~0.base|))) (store .cse2 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse0 (select .cse2 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)))))) |c_~#unsigned_char_Array_0~0.base|) .cse4)))) (_ bv2 32))))))) is different from false [2023-11-23 21:12:08,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1672677580] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:12:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146573158] [2023-11-23 21:12:08,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:08,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:08,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:08,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:12:08,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:12:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:08,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:12:08,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:09,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2023-11-23 21:12:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-23 21:12:09,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:12:09,468 INFO L349 Elim1Store]: treesize reduction 12, result has 7.7 percent of original size [2023-11-23 21:12:09,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 40 [2023-11-23 21:12:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 21:12:09,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146573158] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:12:09,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:12:09,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 10, 7] total 25 [2023-11-23 21:12:09,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499803389] [2023-11-23 21:12:09,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:09,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:12:09,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:09,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:12:09,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=610, Unknown=7, NotChecked=290, Total=1122 [2023-11-23 21:12:09,688 INFO L87 Difference]: Start difference. First operand 75 states and 108 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:12:11,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:11,236 INFO L93 Difference]: Finished difference Result 199 states and 286 transitions. [2023-11-23 21:12:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:12:11,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 89 [2023-11-23 21:12:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:11,246 INFO L225 Difference]: With dead ends: 199 [2023-11-23 21:12:11,247 INFO L226 Difference]: Without dead ends: 125 [2023-11-23 21:12:11,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=269, Invalid=866, Unknown=7, NotChecked=340, Total=1482 [2023-11-23 21:12:11,249 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 215 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:11,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 269 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-23 21:12:11,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-23 21:12:11,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 79. [2023-11-23 21:12:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:12:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 113 transitions. [2023-11-23 21:12:11,264 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 113 transitions. Word has length 89 [2023-11-23 21:12:11,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:11,265 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 113 transitions. [2023-11-23 21:12:11,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:12:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2023-11-23 21:12:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 21:12:11,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:11,268 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:11,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:11,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:11,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:11,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:11,882 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:11,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:11,882 INFO L85 PathProgramCache]: Analyzing trace with hash -739749665, now seen corresponding path program 1 times [2023-11-23 21:12:11,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:11,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155843749] [2023-11-23 21:12:11,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:11,884 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:11,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:11,886 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:11,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-23 21:12:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:12,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:12:12,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:12,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-23 21:12:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 21:12:12,201 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:12,202 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:12,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155843749] [2023-11-23 21:12:12,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155843749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:12,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:12,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:12,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054022948] [2023-11-23 21:12:12,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:12,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:12,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:12,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:12,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:12,206 INFO L87 Difference]: Start difference. First operand 79 states and 113 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:12:12,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:12,265 INFO L93 Difference]: Finished difference Result 173 states and 248 transitions. [2023-11-23 21:12:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:12,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2023-11-23 21:12:12,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:12,268 INFO L225 Difference]: With dead ends: 173 [2023-11-23 21:12:12,268 INFO L226 Difference]: Without dead ends: 95 [2023-11-23 21:12:12,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:12,270 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 24 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:12,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 201 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:12:12,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-23 21:12:12,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 79. [2023-11-23 21:12:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:12:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 112 transitions. [2023-11-23 21:12:12,282 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 112 transitions. Word has length 91 [2023-11-23 21:12:12,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:12,283 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 112 transitions. [2023-11-23 21:12:12,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:12:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2023-11-23 21:12:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 21:12:12,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:12,286 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:12,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-23 21:12:12,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:12,493 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:12,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:12,494 INFO L85 PathProgramCache]: Analyzing trace with hash -59691295, now seen corresponding path program 1 times [2023-11-23 21:12:12,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:12,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724124149] [2023-11-23 21:12:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:12,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:12,498 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:12,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 21:12:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:12,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 21:12:12,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:13,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 21:12:13,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:12:13,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:12:14,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2023-11-23 21:12:14,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-11-23 21:12:14,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:12:14,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 55 [2023-11-23 21:12:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-23 21:12:14,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:12:15,233 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_174 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_174))) (let ((.cse0 (select .cse2 |c_~#signed_long_int_Array_0~0.base|))) (= (select .cse0 (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|)) (let ((.cse1 (select .cse0 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)))) (bvadd (bvneg .cse1) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 (bvadd |c_~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (select (select (store .cse2 |c_~#signed_long_int_Array_0~0.base| (store .cse0 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#unsigned_char_Array_0~0.base|) .cse3)))) (_ bv2 32)) .cse1))) |c_~#unsigned_char_Array_0~0.base|) .cse3)))))))))) is different from false [2023-11-23 21:12:17,347 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_174 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse3 (bvadd |c_~#unsigned_char_Array_0~0.offset| (_ bv1 32))) (.cse4 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|))) (let ((.cse2 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (let ((.cse6 (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|))) (store .cse6 .cse5 (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|) .cse3))) (bvneg (select .cse6 .cse4)))))) |c_~#double_Array_0~0.base| v_ArrVal_174))) (let ((.cse1 (select .cse2 |c_~#signed_long_int_Array_0~0.base|))) (= (let ((.cse0 (select .cse1 .cse4))) (bvadd (bvneg .cse0) ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_174) |c_~#signed_long_int_Array_0~0.base| (store .cse1 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#unsigned_char_Array_0~0.base|) .cse3)))))))) |c_~#unsigned_char_Array_0~0.base|) .cse3))))) (select .cse1 .cse5)))))) is different from false [2023-11-23 21:12:17,431 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_174 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse5 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse4 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse3 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (let ((.cse6 (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|))) (store .cse6 .cse1 (bvadd (bvneg (select .cse6 .cse5)) ((_ zero_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|) .cse4))))))) |c_~#double_Array_0~0.base| v_ArrVal_174))) (let ((.cse0 (select .cse3 |c_~#signed_long_int_Array_0~0.base|))) (= (select .cse0 .cse1) (let ((.cse2 (select .cse0 .cse5))) (bvadd (bvneg .cse2) ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_174) |c_~#signed_long_int_Array_0~0.base| (store .cse0 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 |c_~#unsigned_char_Array_0~0.base|) .cse4)))) (_ bv2 32)) .cse2))) |c_~#unsigned_char_Array_0~0.base|) .cse4)))))))))) is different from false [2023-11-23 21:12:17,532 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_174 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_171 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse6 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse5 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32))) (.cse2 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_171))) (let ((.cse4 (store (store .cse2 |c_~#signed_long_int_Array_0~0.base| (let ((.cse7 (select .cse2 |c_~#signed_long_int_Array_0~0.base|))) (store .cse7 .cse1 (bvadd (bvneg (select .cse7 .cse6)) ((_ zero_extend 24) ((_ extract 7 0) (select v_ArrVal_171 .cse5))))))) |c_~#double_Array_0~0.base| v_ArrVal_174))) (let ((.cse0 (select .cse4 |c_~#signed_long_int_Array_0~0.base|))) (= (select .cse0 .cse1) (let ((.cse3 (select .cse0 .cse6))) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse2 |c_~#double_Array_0~0.base| v_ArrVal_174) |c_~#signed_long_int_Array_0~0.base| (store .cse0 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse3 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse4 |c_~#unsigned_char_Array_0~0.base|) .cse5)))))))) |c_~#unsigned_char_Array_0~0.base|) .cse5))) (bvneg .cse3)))))))) is different from false [2023-11-23 21:12:17,642 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:17,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724124149] [2023-11-23 21:12:17,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724124149] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:12:17,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [717015111] [2023-11-23 21:12:17,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:12:17,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:12:17,644 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:12:17,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 21:12:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:18,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 21:12:18,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:21,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:12:21,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 21:12:22,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 21:12:22,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2023-11-23 21:12:23,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2023-11-23 21:12:23,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2023-11-23 21:12:25,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 63 [2023-11-23 21:12:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 21:12:25,172 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:25,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [717015111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:25,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:12:25,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 17 [2023-11-23 21:12:25,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404058682] [2023-11-23 21:12:25,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:25,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 21:12:25,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:25,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 21:12:25,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=356, Unknown=4, NotChecked=164, Total=600 [2023-11-23 21:12:25,176 INFO L87 Difference]: Start difference. First operand 79 states and 112 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:12:32,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:32,917 INFO L93 Difference]: Finished difference Result 262 states and 371 transitions. [2023-11-23 21:12:32,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 21:12:32,921 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2023-11-23 21:12:32,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:32,923 INFO L225 Difference]: With dead ends: 262 [2023-11-23 21:12:32,924 INFO L226 Difference]: Without dead ends: 184 [2023-11-23 21:12:32,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=220, Invalid=784, Unknown=4, NotChecked=252, Total=1260 [2023-11-23 21:12:32,926 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 345 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:32,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 409 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-23 21:12:32,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-23 21:12:32,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 105. [2023-11-23 21:12:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 92 states have (on average 1.391304347826087) internal successors, (128), 92 states have internal predecessors, (128), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:12:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 150 transitions. [2023-11-23 21:12:32,965 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 150 transitions. Word has length 91 [2023-11-23 21:12:32,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:32,966 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 150 transitions. [2023-11-23 21:12:32,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:12:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions. [2023-11-23 21:12:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 21:12:32,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:32,979 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:32,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:33,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:33,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:33,383 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:33,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:33,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1355345998, now seen corresponding path program 1 times [2023-11-23 21:12:33,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:33,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307920599] [2023-11-23 21:12:33,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:33,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:12:33,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:33,386 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:12:33,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-23 21:12:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:33,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 21:12:33,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:35,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 21:12:35,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:12:36,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:12:36,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-23 21:12:36,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:12:36,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2023-11-23 21:12:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-23 21:12:36,832 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:12:37,033 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_233 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_step_#t~mem30#1_18| (_ BitVec 8))) (not (bvslt (select (select (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_233) |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) ((_ zero_extend 24) |v_ULTIMATE.start_step_#t~mem30#1_18|)))) is different from false [2023-11-23 21:12:37,088 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_233 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_step_#t~mem30#1_18| (_ BitVec 8)) (v_ArrVal_232 (_ BitVec 32))) (not (bvslt (select (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_232)) |c_~#double_Array_0~0.base| v_ArrVal_233) |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) ((_ zero_extend 24) |v_ULTIMATE.start_step_#t~mem30#1_18|)))) is different from false [2023-11-23 21:12:37,132 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_233 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_step_#t~mem30#1_18| (_ BitVec 8)) (v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_232 (_ BitVec 32))) (not (bvslt (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_230))) (store .cse0 |c_~#signed_long_int_Array_0~0.base| (store (select .cse0 |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_232))) |c_~#double_Array_0~0.base| v_ArrVal_233) |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) ((_ zero_extend 24) |v_ULTIMATE.start_step_#t~mem30#1_18|)))) is different from false [2023-11-23 21:12:37,179 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307920599] [2023-11-23 21:12:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307920599] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:12:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [476529044] [2023-11-23 21:12:37,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:37,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:12:37,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:12:37,189 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:12:37,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042dafca-03d5-48f5-a3cc-446e18087b4e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-23 21:12:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:37,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 21:12:37,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:38,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 21:12:39,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14