./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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_485479db-b30b-430a-89b8-a3fd7766e6ca/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 9f66fac55280d5b6dec2015820638e82d5189c67b2e9bdf4d194fd972facb1ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:57,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:57,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:58:57,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:57,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:57,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:57,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:57,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:57,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:57,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:57,756 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:57,756 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:57,757 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:57,758 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:57,758 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:57,759 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:57,760 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:57,760 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:57,761 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:57,762 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:57,762 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:57,763 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:57,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:57,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:57,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:57,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:57,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:57,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:57,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:57,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:57,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:57,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:57,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:57,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:57,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:57,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:57,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:57,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:57,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:57,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:57,774 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:57,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:57,774 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:57,775 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:57,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:57,775 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_485479db-b30b-430a-89b8-a3fd7766e6ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f66fac55280d5b6dec2015820638e82d5189c67b2e9bdf4d194fd972facb1ac [2023-11-19 04:58:58,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:58,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:58,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:58,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:58,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:58,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i [2023-11-19 04:59:01,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:01,536 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:01,537 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i [2023-11-19 04:59:01,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/data/8ffb263d5/d1dfc1a006c3477aa147f72ebabecaee/FLAG7f270d92f [2023-11-19 04:59:01,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/data/8ffb263d5/d1dfc1a006c3477aa147f72ebabecaee [2023-11-19 04:59:01,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:01,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:01,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:01,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:01,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:01,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:01,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a8fda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01, skipping insertion in model container [2023-11-19 04:59:01,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:01,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:01,765 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_485479db-b30b-430a-89b8-a3fd7766e6ca/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i[916,929] [2023-11-19 04:59:01,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:01,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:01,878 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_485479db-b30b-430a-89b8-a3fd7766e6ca/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i[916,929] [2023-11-19 04:59:01,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:01,940 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:01,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01 WrapperNode [2023-11-19 04:59:01,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:01,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:01,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:01,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:01,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:01,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,025 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-19 04:59:02,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:02,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:02,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:02,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:02,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:02,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:02,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:02,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:02,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (1/1) ... [2023-11-19 04:59:02,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:02,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:02,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:02,343 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:02,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:02,904 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:03,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:03,302 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:59:03,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:03 BoogieIcfgContainer [2023-11-19 04:59:03,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:03,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:03,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:03,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:03,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:01" (1/3) ... [2023-11-19 04:59:03,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1502ff9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:03, skipping insertion in model container [2023-11-19 04:59:03,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:01" (2/3) ... [2023-11-19 04:59:03,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1502ff9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:03, skipping insertion in model container [2023-11-19 04:59:03,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:03" (3/3) ... [2023-11-19 04:59:03,322 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-48.i [2023-11-19 04:59:03,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:03,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:59:03,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:03,410 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;@4a3fbdfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:03,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:59:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:59:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 04:59:03,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:03,429 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:03,429 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:03,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:03,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1772962934, now seen corresponding path program 1 times [2023-11-19 04:59:03,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:03,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97538899] [2023-11-19 04:59:03,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:03,678 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:03,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975582112] [2023-11-19 04:59:03,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:03,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:03,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:03,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:59:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:59:04,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:59:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:59:04,538 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:59:04,541 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:59:04,542 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:59:04,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:04,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:59:04,758 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:59:04,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:59:04,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:59:04 BoogieIcfgContainer [2023-11-19 04:59:04,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:59:04,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:59:04,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:59:04,930 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:59:04,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:03" (3/4) ... [2023-11-19 04:59:04,937 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:59:04,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:59:04,939 INFO L158 Benchmark]: Toolchain (without parser) took 3365.31ms. Allocated memory is still 201.3MB. Free memory was 152.9MB in the beginning and 81.6MB in the end (delta: 71.4MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:04,941 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 138.4MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:04,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.51ms. Allocated memory is still 201.3MB. Free memory was 152.9MB in the beginning and 136.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:59:04,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.99ms. Allocated memory is still 201.3MB. Free memory was 136.9MB in the beginning and 131.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:04,950 INFO L158 Benchmark]: Boogie Preprocessor took 89.95ms. Allocated memory is still 201.3MB. Free memory was 131.2MB in the beginning and 128.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:04,952 INFO L158 Benchmark]: RCFGBuilder took 1184.32ms. Allocated memory is still 201.3MB. Free memory was 128.5MB in the beginning and 131.9MB in the end (delta: -3.4MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:04,952 INFO L158 Benchmark]: TraceAbstraction took 1616.84ms. Allocated memory is still 201.3MB. Free memory was 130.9MB in the beginning and 81.6MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:04,953 INFO L158 Benchmark]: Witness Printer took 8.35ms. Allocated memory is still 201.3MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:04,963 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 138.4MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.51ms. Allocated memory is still 201.3MB. Free memory was 152.9MB in the beginning and 136.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.99ms. Allocated memory is still 201.3MB. Free memory was 136.9MB in the beginning and 131.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.95ms. Allocated memory is still 201.3MB. Free memory was 131.2MB in the beginning and 128.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1184.32ms. Allocated memory is still 201.3MB. Free memory was 128.5MB in the beginning and 131.9MB in the end (delta: -3.4MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1616.84ms. Allocated memory is still 201.3MB. Free memory was 130.9MB in the beginning and 81.6MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 8.35ms. Allocated memory is still 201.3MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * 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 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 187, overapproximation of someBinaryArithmeticFLOAToperation at line 90, overapproximation of someUnaryFLOAToperation at line 116. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] unsigned char var_1_3 = 0; [L24] float var_1_8 = 128.5; [L25] float var_1_9 = 127.75; [L26] float var_1_10 = 31.8; [L27] float var_1_11 = 32.5; [L28] unsigned char var_1_12 = 8; [L29] unsigned char var_1_13 = 100; [L30] unsigned char var_1_14 = 25; [L31] unsigned char var_1_15 = 32; [L32] unsigned char var_1_16 = 16; [L33] double var_1_17 = 64.8; [L34] unsigned char var_1_18 = 1; [L35] unsigned char var_1_19 = 0; [L36] unsigned char var_1_20 = 0; [L37] signed char var_1_21 = -100; [L38] signed long int var_1_22 = -1; [L39] float var_1_23 = 5.6; [L40] float var_1_24 = 50.88; [L41] signed short int var_1_25 = -5; [L42] unsigned char var_1_26 = 1; [L43] unsigned char var_1_27 = 128; [L44] unsigned char var_1_28 = 5; [L45] signed short int var_1_29 = -64; [L46] unsigned long int var_1_32 = 16; [L47] unsigned char last_1_var_1_12 = 8; [L48] unsigned char last_1_var_1_18 = 1; [L49] signed short int last_1_var_1_25 = -5; [L50] unsigned char last_1_var_1_26 = 1; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L181] last_1_var_1_12 = var_1_12 [L182] last_1_var_1_18 = var_1_18 [L183] last_1_var_1_25 = var_1_25 [L184] last_1_var_1_26 = var_1_26 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_8=257/2, var_1_9=511/4] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_8=257/2, var_1_9=511/4] [L142] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=511/4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=511/4] [L143] var_1_9 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L145] var_1_10 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L147] var_1_11 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L149] var_1_13 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_13 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_13 >= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L151] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L152] var_1_14 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L154] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L155] var_1_15 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_15 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_15 >= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L157] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L158] var_1_16 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L160] CALL assume_abort_if_not(var_1_16 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_16 <= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L161] var_1_19 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L163] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L164] var_1_20 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L166] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L167] var_1_22 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_22 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_22 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L169] CALL assume_abort_if_not(var_1_22 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_22 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L170] CALL assume_abort_if_not(var_1_22 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_22 != 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L171] var_1_24 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L173] var_1_27 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L175] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L176] var_1_28 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=1, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=1, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L178] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=1, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=18, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=1, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=2] [L195] RET updateVariables() [L196] CALL step() [L54] unsigned char stepLocal_1 = last_1_var_1_18; [L55] signed long int stepLocal_0 = last_1_var_1_12; [L56] COND TRUE last_1_var_1_18 || stepLocal_1 [L57] COND TRUE stepLocal_0 >= last_1_var_1_26 [L58] var_1_1 = (last_1_var_1_12 + last_1_var_1_12) [L65] unsigned long int stepLocal_8 = 10u / var_1_13; [L66] COND TRUE ! var_1_20 [L67] COND TRUE stepLocal_8 < (var_1_22 + var_1_1) [L68] var_1_26 = ((((var_1_13) < ((var_1_27 - var_1_28))) ? (var_1_13) : ((var_1_27 - var_1_28)))) [L73] signed long int stepLocal_4 = ((((var_1_16) < (var_1_13)) ? (var_1_16) : (var_1_13))) / var_1_22; [L74] COND TRUE ((25 + var_1_26) / var_1_15) > stepLocal_4 [L75] var_1_21 = ((((var_1_16) < (var_1_14)) ? (var_1_16) : (var_1_14))) [L79] signed short int stepLocal_3 = var_1_1; [L80] signed char stepLocal_2 = var_1_21; [L81] COND FALSE !(var_1_1 >= stepLocal_2) [L84] COND TRUE stepLocal_3 <= 100 [L85] var_1_12 = ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))) [L90] var_1_8 = ((var_1_9 - var_1_10) + var_1_11) [L91] COND FALSE !(\read(var_1_3)) [L94] var_1_18 = ((! (! var_1_19)) || var_1_20) [L96] unsigned char stepLocal_10 = var_1_26; [L97] COND FALSE !(var_1_8 <= (var_1_24 * ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))) [L104] var_1_32 = var_1_27 [L106] COND FALSE !((((((var_1_13) > (0)) ? (var_1_13) : (0))) - var_1_32) >= var_1_32) [L109] COND FALSE !(\read(var_1_18)) [L113] COND TRUE var_1_32 <= (- var_1_21) [L114] var_1_23 = ((((((var_1_10) < (var_1_9)) ? (var_1_10) : (var_1_9))) - var_1_24) + var_1_11) [L118] signed long int stepLocal_7 = -32; [L119] unsigned long int stepLocal_6 = var_1_32; [L120] unsigned char stepLocal_5 = 10 > 8; [L121] COND FALSE !(stepLocal_7 > (~ last_1_var_1_25)) [L128] var_1_25 = var_1_14 [L130] unsigned char stepLocal_9 = var_1_18; [L131] COND FALSE !(stepLocal_9 && var_1_18) [L136] var_1_29 = 1000 [L196] RET step() [L197] CALL, EXPR property() [L187-L188] return (((((((((((last_1_var_1_18 || last_1_var_1_18) ? ((last_1_var_1_12 >= last_1_var_1_26) ? (var_1_1 == ((signed short int) (last_1_var_1_12 + last_1_var_1_12))) : (var_1_1 == ((signed short int) last_1_var_1_12))) : (var_1_1 == ((signed short int) last_1_var_1_12))) && (var_1_8 == ((float) ((var_1_9 - var_1_10) + var_1_11)))) && ((var_1_1 >= var_1_21) ? (var_1_12 == ((unsigned char) ((var_1_13 - var_1_14) + (100 - (var_1_15 - var_1_16))))) : ((var_1_1 <= 100) ? (var_1_12 == ((unsigned char) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))))) : (var_1_12 == ((unsigned char) var_1_13))))) && (((((((var_1_13) > (0)) ? (var_1_13) : (0))) - var_1_32) >= var_1_32) ? (var_1_17 == ((double) (var_1_10 + var_1_9))) : (var_1_18 ? (var_1_17 == ((double) var_1_9)) : 1))) && (var_1_3 ? (var_1_18 == ((unsigned char) (var_1_19 || ((var_1_10 > var_1_8) && var_1_20)))) : (var_1_18 == ((unsigned char) ((! (! var_1_19)) || var_1_20))))) && ((((25 + var_1_26) / var_1_15) > (((((var_1_16) < (var_1_13)) ? (var_1_16) : (var_1_13))) / var_1_22)) ? (var_1_21 == ((signed char) ((((var_1_16) < (var_1_14)) ? (var_1_16) : (var_1_14))))) : (var_1_21 == ((signed char) var_1_14)))) && ((var_1_32 <= (- var_1_21)) ? (var_1_23 == ((float) ((((((var_1_10) < (var_1_9)) ? (var_1_10) : (var_1_9))) - var_1_24) + var_1_11))) : (var_1_23 == ((float) ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))))))) && ((-32 > (~ last_1_var_1_25)) ? (((var_1_10 <= (- var_1_9)) || (10 > 8)) ? ((last_1_var_1_25 > var_1_32) ? (var_1_25 == ((signed short int) var_1_32)) : 1) : 1) : (var_1_25 == ((signed short int) var_1_14)))) && ((! var_1_20) ? (((10u / var_1_13) < (var_1_22 + var_1_1)) ? (var_1_26 == ((unsigned char) ((((var_1_13) < ((var_1_27 - var_1_28))) ? (var_1_13) : ((var_1_27 - var_1_28)))))) : (var_1_26 == ((unsigned char) (var_1_16 + var_1_15)))) : 1)) && ((var_1_18 && var_1_18) ? (((var_1_10 - (var_1_9 + var_1_24)) == var_1_23) ? (var_1_29 == ((signed short int) ((((var_1_14) < (((((1) < (var_1_21)) ? (1) : (var_1_21))))) ? (var_1_14) : (((((1) < (var_1_21)) ? (1) : (var_1_21)))))))) : 1) : (var_1_29 == ((signed short int) 1000)))) && ((var_1_8 <= (var_1_24 * ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))) ? ((var_1_26 > (- (- var_1_26))) ? (var_1_32 == ((unsigned long int) var_1_26)) : (var_1_32 == ((unsigned long int) var_1_13))) : (var_1_32 == ((unsigned long int) var_1_27))) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=127, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=17, var_1_22=18, var_1_23=0, var_1_24=5, var_1_25=18, var_1_26=126, var_1_27=127, var_1_28=1, var_1_29=1000, var_1_32=127, var_1_3=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=127, var_1_13=127, var_1_14=18, var_1_15=62, var_1_16=17, var_1_17=324/5, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=17, var_1_22=18, var_1_23=0, var_1_24=5, var_1_25=18, var_1_26=126, var_1_27=127, var_1_28=1, var_1_29=1000, var_1_32=127, var_1_3=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 25, 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=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 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 04:59:05,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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_485479db-b30b-430a-89b8-a3fd7766e6ca/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 9f66fac55280d5b6dec2015820638e82d5189c67b2e9bdf4d194fd972facb1ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:08,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:08,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:59:08,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:08,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:08,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:08,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:08,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:08,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:08,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:08,230 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:08,231 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:08,231 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:08,233 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:08,234 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:08,234 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:08,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:08,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:08,236 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:08,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:08,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:08,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:08,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:08,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:08,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:59:08,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:59:08,241 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:59:08,241 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:08,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:08,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:08,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:08,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:59:08,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:08,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:08,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:08,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:08,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:08,246 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:59:08,247 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:08,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:08,248 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:08,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:08,249 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_485479db-b30b-430a-89b8-a3fd7766e6ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f66fac55280d5b6dec2015820638e82d5189c67b2e9bdf4d194fd972facb1ac [2023-11-19 04:59:08,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:08,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:08,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:08,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:08,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:08,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i [2023-11-19 04:59:12,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:12,698 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:12,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i [2023-11-19 04:59:12,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/data/64451ef95/ba7af49584234f929e80e9f68ecc0d6b/FLAG4cef4841c [2023-11-19 04:59:12,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/data/64451ef95/ba7af49584234f929e80e9f68ecc0d6b [2023-11-19 04:59:12,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:12,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:12,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:12,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:12,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:12,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:12" (1/1) ... [2023-11-19 04:59:12,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610e33a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:12, skipping insertion in model container [2023-11-19 04:59:12,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:12" (1/1) ... [2023-11-19 04:59:12,810 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:13,044 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_485479db-b30b-430a-89b8-a3fd7766e6ca/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i[916,929] [2023-11-19 04:59:13,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:13,243 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:13,265 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_485479db-b30b-430a-89b8-a3fd7766e6ca/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-48.i[916,929] [2023-11-19 04:59:13,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:13,401 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:13,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13 WrapperNode [2023-11-19 04:59:13,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:13,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:13,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:13,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:13,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,505 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-19 04:59:13,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:13,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:13,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:13,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:13,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:13,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:13,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:13,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:13,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (1/1) ... [2023-11-19 04:59:13,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:13,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:13,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:13,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:59:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:13,919 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:13,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:19,273 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:19,286 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:19,286 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:59:19,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:19 BoogieIcfgContainer [2023-11-19 04:59:19,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:19,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:19,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:19,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:19,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:12" (1/3) ... [2023-11-19 04:59:19,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50766b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:19, skipping insertion in model container [2023-11-19 04:59:19,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:13" (2/3) ... [2023-11-19 04:59:19,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50766b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:19, skipping insertion in model container [2023-11-19 04:59:19,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:19" (3/3) ... [2023-11-19 04:59:19,315 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-48.i [2023-11-19 04:59:19,335 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:19,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:59:19,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:19,420 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;@75c1ca29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:19,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:59:19,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:59:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 04:59:19,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:19,455 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:19,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:19,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:19,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1620594375, now seen corresponding path program 1 times [2023-11-19 04:59:19,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:19,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185418661] [2023-11-19 04:59:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:19,489 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 04:59:19,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:19,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:19,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:20,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:59:20,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2023-11-19 04:59:20,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:20,550 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:59:20,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185418661] [2023-11-19 04:59:20,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185418661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:20,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:20,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:20,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73233172] [2023-11-19 04:59:20,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:20,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:59:20,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:59:20,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:59:20,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:59:20,626 INFO L87 Difference]: Start difference. First operand has 83 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:59:20,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:20,667 INFO L93 Difference]: Finished difference Result 159 states and 275 transitions. [2023-11-19 04:59:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:59:20,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2023-11-19 04:59:20,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:20,681 INFO L225 Difference]: With dead ends: 159 [2023-11-19 04:59:20,682 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 04:59:20,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 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 04:59:20,693 INFO L413 NwaCegarLoop]: 121 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, 121 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 04:59:20,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:20,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 04:59:20,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-19 04:59:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 52 states have internal predecessors, (71), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:59:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2023-11-19 04:59:20,783 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 165 [2023-11-19 04:59:20,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:20,784 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2023-11-19 04:59:20,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:59:20,784 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2023-11-19 04:59:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 04:59:20,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:20,799 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:20,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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)] Ended with exit code 0 [2023-11-19 04:59:21,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:21,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:21,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:21,017 INFO L85 PathProgramCache]: Analyzing trace with hash -204804783, now seen corresponding path program 1 times [2023-11-19 04:59:21,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:21,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341698788] [2023-11-19 04:59:21,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:21,019 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 04:59:21,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:21,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:21,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:21,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:59:21,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 04:59:23,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:23,296 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:59:23,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341698788] [2023-11-19 04:59:23,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341698788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:23,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:23,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:59:23,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117580665] [2023-11-19 04:59:23,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:23,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:59:23,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:59:23,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:59:23,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:59:23,303 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:59:25,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:27,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:30,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:32,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:34,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:36,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:36,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:36,277 INFO L93 Difference]: Finished difference Result 232 states and 358 transitions. [2023-11-19 04:59:36,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:59:36,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2023-11-19 04:59:36,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:36,326 INFO L225 Difference]: With dead ends: 232 [2023-11-19 04:59:36,326 INFO L226 Difference]: Without dead ends: 156 [2023-11-19 04:59:36,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:59:36,330 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 129 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 51 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:36,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 456 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 12.8s Time] [2023-11-19 04:59:36,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-19 04:59:36,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 125. [2023-11-19 04:59:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 72 states have internal predecessors, (91), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 04:59:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 191 transitions. [2023-11-19 04:59:36,408 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 191 transitions. Word has length 165 [2023-11-19 04:59:36,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:36,415 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 191 transitions. [2023-11-19 04:59:36,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:59:36,417 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 191 transitions. [2023-11-19 04:59:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 04:59:36,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:36,426 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:36,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:36,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:36,643 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:36,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:36,645 INFO L85 PathProgramCache]: Analyzing trace with hash -781391000, now seen corresponding path program 1 times [2023-11-19 04:59:36,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:36,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691531030] [2023-11-19 04:59:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:36,647 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 04:59:36,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:36,650 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:36,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:37,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:59:37,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 568 proven. 24 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2023-11-19 04:59:38,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:59:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 04:59:38,669 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:59:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691531030] [2023-11-19 04:59:38,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691531030] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:59:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [513735096] [2023-11-19 04:59:38,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:38,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:59:38,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:59:38,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 04:59:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:40,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:59:40,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 568 proven. 24 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2023-11-19 04:59:41,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:59:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 04:59:41,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [513735096] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:59:41,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092852532] [2023-11-19 04:59:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:41,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:41,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:41,695 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:41,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 04:59:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:42,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:59:42,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 568 proven. 24 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2023-11-19 04:59:42,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:59:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 04:59:43,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092852532] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:59:43,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 04:59:43,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-19 04:59:43,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510932834] [2023-11-19 04:59:43,109 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 04:59:43,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 04:59:43,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:59:43,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 04:59:43,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:59:43,113 INFO L87 Difference]: Start difference. First operand 125 states and 191 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-19 04:59:46,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:48,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:50,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:59:50,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:50,228 INFO L93 Difference]: Finished difference Result 217 states and 323 transitions. [2023-11-19 04:59:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 04:59:50,269 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 166 [2023-11-19 04:59:50,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:50,273 INFO L225 Difference]: With dead ends: 217 [2023-11-19 04:59:50,273 INFO L226 Difference]: Without dead ends: 141 [2023-11-19 04:59:50,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 994 GetRequests, 982 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:59:50,277 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 80 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:50,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 214 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 135 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2023-11-19 04:59:50,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-19 04:59:50,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2023-11-19 04:59:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 78 states have internal predecessors, (96), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 04:59:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 196 transitions. [2023-11-19 04:59:50,311 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 196 transitions. Word has length 166 [2023-11-19 04:59:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:50,312 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 196 transitions. [2023-11-19 04:59:50,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-19 04:59:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 196 transitions. [2023-11-19 04:59:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:59:50,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:50,317 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:50,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:50,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:50,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:50,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:50,932 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:50,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:50,933 INFO L85 PathProgramCache]: Analyzing trace with hash -419899896, now seen corresponding path program 1 times [2023-11-19 04:59:50,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:50,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085339999] [2023-11-19 04:59:50,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:50,934 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 04:59:50,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:50,936 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 04:59:50,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485479db-b30b-430a-89b8-a3fd7766e6ca/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 (7)] Waiting until timeout for monitored process [2023-11-19 04:59:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:52,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 04:59:52,992 INFO L285 TraceCheckSpWp]: Computing forward predicates...