./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ --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 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:59,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:59,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:09:59,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:59,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:09:59,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:59,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:09:59,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:09:59,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:59,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:09:59,597 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:09:59,599 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:09:59,599 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:09:59,601 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:09:59,602 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:09:59,602 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:09:59,603 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:09:59,603 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:09:59,604 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:09:59,605 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:09:59,605 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:09:59,606 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:09:59,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:59,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:59,609 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:59,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:59,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:59,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:59,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:59,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:59,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:59,613 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:59,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:59,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:59,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:59,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:09:59,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:09:59,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:59,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:59,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:59,616 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:09:59,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:59,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:59,617 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:09:59,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:59,618 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_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f [2023-11-19 04:09:59,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:10:00,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:10:00,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:10:00,058 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:10:00,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:10:00,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-19 04:10:03,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:10:04,028 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:10:04,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-19 04:10:04,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/data/8e71f4314/124d4784b72b4a7da86cd71aed2dd084/FLAG041217bbd [2023-11-19 04:10:04,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/data/8e71f4314/124d4784b72b4a7da86cd71aed2dd084 [2023-11-19 04:10:04,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:10:04,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:10:04,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:04,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:10:04,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:10:04,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124c358f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04, skipping insertion in model container [2023-11-19 04:10:04,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:10:04,320 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_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-19 04:10:04,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:04,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:10:04,427 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_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-19 04:10:04,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:04,518 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:10:04,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04 WrapperNode [2023-11-19 04:10:04,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:04,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:04,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:10:04,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:10:04,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,624 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 415 [2023-11-19 04:10:04,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:04,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:10:04,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:10:04,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:10:04,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:10:04,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:10:04,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:10:04,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:10:04,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (1/1) ... [2023-11-19 04:10:04,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:04,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:10:04,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:10:04,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:10:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:10:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:10:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:10:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:10:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:10:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:10:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:10:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:10:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:10:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:10:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:10:05,034 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:10:05,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:10:05,752 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:10:06,723 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:10:06,723 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:10:06,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:06 BoogieIcfgContainer [2023-11-19 04:10:06,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:10:06,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:10:06,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:10:06,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:10:06,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:10:04" (1/3) ... [2023-11-19 04:10:06,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f46798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:10:06, skipping insertion in model container [2023-11-19 04:10:06,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:04" (2/3) ... [2023-11-19 04:10:06,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f46798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:10:06, skipping insertion in model container [2023-11-19 04:10:06,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:06" (3/3) ... [2023-11-19 04:10:06,747 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-40.i [2023-11-19 04:10:06,772 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:10:06,773 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:10:06,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:10:06,869 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;@1f0badde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:10:06,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:10:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 04:10:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:10:06,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:06,893 INFO L195 NwaCegarLoop]: trace histogram [19, 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, 1, 1, 1] [2023-11-19 04:10:06,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:10:06,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:06,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1698244212, now seen corresponding path program 1 times [2023-11-19 04:10:06,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:06,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062838844] [2023-11-19 04:10:06,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:06,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:07,297 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:10:07,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118649192] [2023-11-19 04:10:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:07,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:10:07,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:10:07,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:10:07,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:10:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:10:08,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:10:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:10:09,813 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:10:09,816 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:10:09,818 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:10:09,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:10:10,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:10:10,039 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:10:10,044 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:10:10,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 04:10:10,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 04:10:10,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-19 04:10:10,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-19 04:10:10,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 04:10:10,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 04:10:10,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 04:10:10,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 04:10:10,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 04:10:10,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 04:10:10,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:10:10,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:10:10,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:10:10,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:10:10,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:10:10,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:10:10,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 04:10:10,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 04:10:10,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 04:10:10,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 04:10:10,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:10:10,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:10:10,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:10:10,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:10:10,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:10:10,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:10:10,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:10:10,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:10:10,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 04:10:10,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:10:10,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:10:10,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 04:10:10,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:10:10,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 04:10:10,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 04:10:10,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 04:10:10,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:10:10,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 04:10:10,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 04:10:10,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:10:10,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:10:10,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 04:10:10,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 04:10:10,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 04:10:10,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:10:10,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:10:10,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 04:10:10,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 04:10:10,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:10:10,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:10:10,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:10:10 BoogieIcfgContainer [2023-11-19 04:10:10,198 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:10:10,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:10:10,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:10:10,200 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:10:10,201 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:06" (3/4) ... [2023-11-19 04:10:10,209 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:10:10,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:10:10,213 INFO L158 Benchmark]: Toolchain (without parser) took 6147.07ms. Allocated memory is still 197.1MB. Free memory was 156.8MB in the beginning and 156.1MB in the end (delta: 688.6kB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-19 04:10:10,214 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 97.4MB in the beginning and 97.4MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:10:10,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.20ms. Allocated memory is still 197.1MB. Free memory was 156.8MB in the beginning and 141.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:10:10,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.24ms. Allocated memory is still 197.1MB. Free memory was 141.3MB in the beginning and 137.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:10:10,223 INFO L158 Benchmark]: Boogie Preprocessor took 94.21ms. Allocated memory is still 197.1MB. Free memory was 137.1MB in the beginning and 133.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:10:10,225 INFO L158 Benchmark]: RCFGBuilder took 2009.00ms. Allocated memory is still 197.1MB. Free memory was 133.8MB in the beginning and 135.4MB in the end (delta: -1.6MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2023-11-19 04:10:10,226 INFO L158 Benchmark]: TraceAbstraction took 3463.83ms. Allocated memory is still 197.1MB. Free memory was 134.3MB in the beginning and 156.1MB in the end (delta: -21.8MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2023-11-19 04:10:10,227 INFO L158 Benchmark]: Witness Printer took 11.44ms. Allocated memory is still 197.1MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:10:10,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 97.4MB in the beginning and 97.4MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.20ms. Allocated memory is still 197.1MB. Free memory was 156.8MB in the beginning and 141.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.24ms. Allocated memory is still 197.1MB. Free memory was 141.3MB in the beginning and 137.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.21ms. Allocated memory is still 197.1MB. Free memory was 137.1MB in the beginning and 133.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2009.00ms. Allocated memory is still 197.1MB. Free memory was 133.8MB in the beginning and 135.4MB in the end (delta: -1.6MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3463.83ms. Allocated memory is still 197.1MB. Free memory was 134.3MB in the beginning and 156.1MB in the end (delta: -21.8MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. * Witness Printer took 11.44ms. Allocated memory is still 197.1MB. Free memory is still 156.1MB. 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~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 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~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 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~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 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~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 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 someBinaryFLOATComparisonOperation at line 70, overapproximation of bitwiseOr at line 78, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { -4, 0, 0, 64, -2, -10, 128, 1, 8.4, 49.75, -2, 25, -5, 7.5, 1, -256 }; [L59] double last_1_WrapperStruct00_var_1_13 = 8.4; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L118] EXPR WrapperStruct00.var_1_13 [L118] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L88] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L90] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L91] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L93] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L94] WrapperStruct00.var_1_8 = __VERIFIER_nondet_long() [L95] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L96] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L97] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_8 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_8 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L98] WrapperStruct00.var_1_9 = __VERIFIER_nondet_long() [L99] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L100] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L101] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_9 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_9 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L104] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L105] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L107] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L108] WrapperStruct00.var_1_15 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_15 [L109] EXPR WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_15 [L109] EXPR WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F [L109] EXPR (WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L110] WrapperStruct00.var_1_17 = __VERIFIER_nondet_char() [L111] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L112] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L113] WrapperStruct00.var_1_18 = __VERIFIER_nondet_char() [L114] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L115] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L129] RET updateVariables() [L130] CALL step() [L63] WrapperStruct00.var_1_3 [L63] COND TRUE WrapperStruct00.var_1_3 [L64] EXPR WrapperStruct00.var_1_17 [L64] EXPR WrapperStruct00.var_1_18 [L64] EXPR ((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)) [L64] EXPR WrapperStruct00.var_1_17 [L64] EXPR ((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)) [L64] WrapperStruct00.var_1_16 = ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))) [L66] EXPR WrapperStruct00.var_1_15 [L66] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_15 [L67] EXPR WrapperStruct00.var_1_16 [L67] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_16 [L68] EXPR WrapperStruct00.var_1_18 [L68] WrapperStruct00.var_1_21 = WrapperStruct00.var_1_18 [L69] WrapperStruct00.var_1_2 [L69] COND TRUE WrapperStruct00.var_1_2 [L70] EXPR WrapperStruct00.var_1_3 [L70] WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f)) [L70] EXPR WrapperStruct00.var_1_19 [L70] WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f)) [L70] COND TRUE WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f)) [L71] EXPR WrapperStruct00.var_1_19 [L71] EXPR WrapperStruct00.var_1_19 [L71] COND TRUE WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19 [L72] WrapperStruct00.var_1_3 [L72] COND TRUE WrapperStruct00.var_1_3 [L73] EXPR WrapperStruct00.var_1_21 [L73] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_21 [L78] EXPR WrapperStruct00.var_1_16 [L78] EXPR WrapperStruct00.var_1_8 [L78] EXPR WrapperStruct00.var_1_9 [L78] EXPR WrapperStruct00.var_1_21 [L78] EXPR WrapperStruct00.var_1_16 [L78] EXPR WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16 [L78] COND FALSE !(((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) [L81] EXPR WrapperStruct00.var_1_12 [L81] WrapperStruct00.var_1_7 = WrapperStruct00.var_1_12 [L83] EXPR WrapperStruct00.var_1_19 [L83] EXPR WrapperStruct00.var_1_19 [L83] EXPR ((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19) [L83] EXPR WrapperStruct00.var_1_19 [L83] EXPR ((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19) [L83] COND FALSE !(WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR WrapperStruct00.var_1_2 [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1 [L121] EXPR WrapperStruct00.var_1_3 [L121] EXPR WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f)) [L121] EXPR WrapperStruct00.var_1_19 [L121] EXPR WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f)) [L121] EXPR (WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1 [L121] EXPR WrapperStruct00.var_1_19 [L121] EXPR WrapperStruct00.var_1_19 [L121] EXPR (WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1 [L121] EXPR (WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1 [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1 [L121] EXPR (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))) [L121] EXPR WrapperStruct00.var_1_16 [L121] EXPR WrapperStruct00.var_1_8 [L121] EXPR WrapperStruct00.var_1_9 [L121] EXPR WrapperStruct00.var_1_21 [L121] EXPR WrapperStruct00.var_1_16 [L121] EXPR WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16 [L121] EXPR (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)) [L121] EXPR WrapperStruct00.var_1_7 [L121] EXPR WrapperStruct00.var_1_12 [L121] EXPR (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)) [L121] EXPR (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12))) [L121] EXPR ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1) [L121] EXPR WrapperStruct00.var_1_19 [L121] EXPR WrapperStruct00.var_1_19 [L121] EXPR ((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19) [L121] EXPR (WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1 [L121] EXPR WrapperStruct00.var_1_13 [L121] EXPR WrapperStruct00.var_1_15 [L121] EXPR (WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1 [L121] EXPR ((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1) [L121] EXPR (((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1) [L121] EXPR ((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15)) [L121] EXPR (((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16)) [L121] EXPR ((((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_21 == ((signed short int) WrapperStruct00.var_1_18)) [L121-L122] return ((((((WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_3 && (WrapperStruct00.var_1_19 <= (- 63.9f))) ? ((WrapperStruct00.var_1_19 >= WrapperStruct00.var_1_19) ? (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_21)) : 1) : 1) : 1) : 1) && ((((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_8) / WrapperStruct00.var_1_9) >= (WrapperStruct00.var_1_21 | WrapperStruct00.var_1_16)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (WrapperStruct00.var_1_11 - WrapperStruct00.var_1_12))) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_12)))) && ((WrapperStruct00.var_1_19 != ((((last_1_WrapperStruct00_var_1_13) < (WrapperStruct00.var_1_19)) ? (last_1_WrapperStruct00_var_1_13) : (WrapperStruct00.var_1_19)))) ? (WrapperStruct00.var_1_13 == ((double) (WrapperStruct00.var_1_15 + (127.4 - 8.25)))) : 1)) && (WrapperStruct00.var_1_3 ? (WrapperStruct00.var_1_16 == ((signed char) ((((WrapperStruct00.var_1_17) > ((-2 + WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_17) : ((-2 + WrapperStruct00.var_1_18)))))) : 1)) && (WrapperStruct00.var_1_19 == ((float) WrapperStruct00.var_1_15))) && (WrapperStruct00.var_1_20 == ((signed short int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_21 == ((signed short int) WrapperStruct00.var_1_18)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_13=42/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 19, 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=47occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 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 [2023-11-19 04:10:10,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ --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 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:10:13,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:10:13,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:10:13,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:10:13,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:10:13,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:10:13,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:10:13,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:10:13,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:10:13,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:10:13,730 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:10:13,730 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:10:13,731 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:10:13,731 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:10:13,732 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:10:13,732 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:10:13,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:10:13,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:10:13,734 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:10:13,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:10:13,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:10:13,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:10:13,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:10:13,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:10:13,740 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:10:13,740 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:10:13,741 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:10:13,741 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:10:13,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:10:13,743 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:10:13,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:10:13,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:10:13,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:10:13,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:13,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:10:13,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:10:13,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:10:13,747 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:10:13,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:10:13,749 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:10:13,749 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:10:13,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:10:13,750 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_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213b4bc058d12ef32d87a969037b39ae9c0589373b4a3de6d034bf3aa394040f [2023-11-19 04:10:14,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:10:14,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:10:14,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:10:14,282 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:10:14,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:10:14,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-19 04:10:17,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:10:18,195 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:10:18,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i [2023-11-19 04:10:18,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/data/641f7b7de/4603617aa6744d0b8cd86903fbfe4866/FLAGfb86bd008 [2023-11-19 04:10:18,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/data/641f7b7de/4603617aa6744d0b8cd86903fbfe4866 [2023-11-19 04:10:18,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:10:18,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:10:18,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:18,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:10:18,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:10:18,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:18,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5bac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18, skipping insertion in model container [2023-11-19 04:10:18,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:18,315 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:10:18,574 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_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-19 04:10:18,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:18,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:10:18,745 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_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-40.i[916,929] [2023-11-19 04:10:18,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:18,874 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:10:18,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18 WrapperNode [2023-11-19 04:10:18,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:18,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:18,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:10:18,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:10:18,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:18,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,012 INFO L138 Inliner]: procedures = 39, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2023-11-19 04:10:19,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:19,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:10:19,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:10:19,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:10:19,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:10:19,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:10:19,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:10:19,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:10:19,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (1/1) ... [2023-11-19 04:10:19,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:19,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:10:19,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:10:19,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:10:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:10:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 04:10:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 04:10:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:10:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:10:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:10:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:10:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:10:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 04:10:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:10:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:10:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:10:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:10:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:10:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:10:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:10:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:10:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:10:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:10:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:10:19,515 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:10:19,518 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:10:24,658 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:10:24,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:10:24,678 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:10:24,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:24 BoogieIcfgContainer [2023-11-19 04:10:24,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:10:24,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:10:24,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:10:24,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:10:24,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:10:18" (1/3) ... [2023-11-19 04:10:24,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba12f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:10:24, skipping insertion in model container [2023-11-19 04:10:24,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:18" (2/3) ... [2023-11-19 04:10:24,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba12f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:10:24, skipping insertion in model container [2023-11-19 04:10:24,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:24" (3/3) ... [2023-11-19 04:10:24,703 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-40.i [2023-11-19 04:10:24,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:10:24,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:10:24,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:10:24,819 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;@477ac78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:10:24,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:10:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 85 states have (on average 1.4) internal successors, (119), 86 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 04:10:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 04:10:24,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:24,847 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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] [2023-11-19 04:10:24,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:10:24,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:24,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1672912439, now seen corresponding path program 1 times [2023-11-19 04:10:24,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:10:24,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205758559] [2023-11-19 04:10:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:24,876 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 [2023-11-19 04:10:24,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:10:24,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:10:24,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:25,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:10:25,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-19 04:10:25,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:10:25,717 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:10:25,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205758559] [2023-11-19 04:10:25,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205758559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:25,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:25,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:10:25,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325887095] [2023-11-19 04:10:25,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:25,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:10:25,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:10:25,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:10:25,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:10:25,780 INFO L87 Difference]: Start difference. First operand has 107 states, 85 states have (on average 1.4) internal successors, (119), 86 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 04:10:25,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:25,825 INFO L93 Difference]: Finished difference Result 207 states and 327 transitions. [2023-11-19 04:10:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:10:25,830 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2023-11-19 04:10:25,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:25,840 INFO L225 Difference]: With dead ends: 207 [2023-11-19 04:10:25,840 INFO L226 Difference]: Without dead ends: 103 [2023-11-19 04:10:25,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:10:25,849 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:25,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:10:25,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-19 04:10:25,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-19 04:10:25,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 04:10:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2023-11-19 04:10:25,921 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 149 [2023-11-19 04:10:25,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:25,921 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2023-11-19 04:10:25,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 04:10:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2023-11-19 04:10:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 04:10:25,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:25,925 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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] [2023-11-19 04:10:25,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:26,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:26,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:10:26,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:26,140 INFO L85 PathProgramCache]: Analyzing trace with hash -654479707, now seen corresponding path program 1 times [2023-11-19 04:10:26,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:10:26,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834927861] [2023-11-19 04:10:26,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:26,142 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 [2023-11-19 04:10:26,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:10:26,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:10:26,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:26,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:10:26,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 04:10:26,836 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:10:26,836 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:10:26,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834927861] [2023-11-19 04:10:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834927861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:26,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:26,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:10:26,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632814566] [2023-11-19 04:10:26,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:26,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:10:26,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:10:26,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:10:26,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:10:26,841 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 04:10:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:26,925 INFO L93 Difference]: Finished difference Result 225 states and 330 transitions. [2023-11-19 04:10:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:10:26,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2023-11-19 04:10:26,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:26,930 INFO L225 Difference]: With dead ends: 225 [2023-11-19 04:10:26,930 INFO L226 Difference]: Without dead ends: 125 [2023-11-19 04:10:26,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:10:26,933 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 36 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:26,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 432 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:10:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-19 04:10:26,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 105. [2023-11-19 04:10:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 84 states have internal predecessors, (114), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 04:10:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 152 transitions. [2023-11-19 04:10:26,950 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 152 transitions. Word has length 149 [2023-11-19 04:10:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:26,952 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 152 transitions. [2023-11-19 04:10:26,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 04:10:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 152 transitions. [2023-11-19 04:10:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:10:26,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:26,965 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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] [2023-11-19 04:10:26,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:27,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:27,185 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:10:27,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:27,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1198640928, now seen corresponding path program 1 times [2023-11-19 04:10:27,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:10:27,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711586366] [2023-11-19 04:10:27,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:27,187 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 [2023-11-19 04:10:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:10:27,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:10:27,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:27,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:10:27,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 04:10:27,895 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:10:27,896 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:10:27,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711586366] [2023-11-19 04:10:27,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711586366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:27,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:27,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:10:27,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623465497] [2023-11-19 04:10:27,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:27,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:10:27,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:10:27,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:10:27,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:10:27,907 INFO L87 Difference]: Start difference. First operand 105 states and 152 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 04:10:28,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:28,319 INFO L93 Difference]: Finished difference Result 228 states and 331 transitions. [2023-11-19 04:10:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:10:28,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2023-11-19 04:10:28,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:28,324 INFO L225 Difference]: With dead ends: 228 [2023-11-19 04:10:28,324 INFO L226 Difference]: Without dead ends: 126 [2023-11-19 04:10:28,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:10:28,327 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 46 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:28,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 572 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:10:28,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-19 04:10:28,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 109. [2023-11-19 04:10:28,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 04:10:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2023-11-19 04:10:28,347 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 151 [2023-11-19 04:10:28,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:28,348 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2023-11-19 04:10:28,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 04:10:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2023-11-19 04:10:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:10:28,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:28,352 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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] [2023-11-19 04:10:28,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:28,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:28,565 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:10:28,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:28,566 INFO L85 PathProgramCache]: Analyzing trace with hash -518582558, now seen corresponding path program 1 times [2023-11-19 04:10:28,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:10:28,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843481035] [2023-11-19 04:10:28,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:28,568 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 [2023-11-19 04:10:28,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:10:28,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:10:28,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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)] Waiting until timeout for monitored process [2023-11-19 04:10:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:29,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:10:29,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 04:10:29,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:10:29,465 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:10:29,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843481035] [2023-11-19 04:10:29,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843481035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:29,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:29,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:10:29,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111049050] [2023-11-19 04:10:29,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:29,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:10:29,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:10:29,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:10:29,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:10:29,469 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 04:10:29,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:29,971 INFO L93 Difference]: Finished difference Result 235 states and 336 transitions. [2023-11-19 04:10:29,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 04:10:29,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2023-11-19 04:10:29,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:29,978 INFO L225 Difference]: With dead ends: 235 [2023-11-19 04:10:29,978 INFO L226 Difference]: Without dead ends: 129 [2023-11-19 04:10:29,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 04:10:29,981 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 49 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:29,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 708 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 04:10:29,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-19 04:10:29,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 111. [2023-11-19 04:10:30,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 04:10:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2023-11-19 04:10:30,009 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 151 [2023-11-19 04:10:30,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:30,011 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2023-11-19 04:10:30,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 04:10:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2023-11-19 04:10:30,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:10:30,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:30,016 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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] [2023-11-19 04:10:30,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:10:30,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:10:30,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:10:30,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:30,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1256424804, now seen corresponding path program 1 times [2023-11-19 04:10:30,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:10:30,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610570191] [2023-11-19 04:10:30,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:30,232 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 [2023-11-19 04:10:30,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:10:30,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:10:30,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d4fdb85-4528-4f22-8f4c-28a0d53cdc5e/bin/utaipan-verify-t7M7D8N6sZ/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 (6)] Waiting until timeout for monitored process [2023-11-19 04:10:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:31,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:10:31,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:31,430 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:10:31,431 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 62 treesize of output 20 [2023-11-19 04:10:33,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 1 [2023-11-19 04:10:35,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:10:35,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 59 [2023-11-19 04:10:35,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:10:35,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 59 [2023-11-19 04:10:36,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:10:36,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 231 treesize of output 100 [2023-11-19 04:10:43,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:10:43,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 224 treesize of output 127 [2023-11-19 04:10:48,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:10:48,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 247 treesize of output 85 [2023-11-19 04:10:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2023-11-19 04:10:51,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:10:51,801 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:10:51,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610570191] [2023-11-19 04:10:51,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610570191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:51,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:51,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 04:10:51,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159152095] [2023-11-19 04:10:51,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:51,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 04:10:51,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:10:51,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 04:10:51,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:10:51,810 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)