./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91 --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 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:19,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:19,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:58:19,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:19,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:19,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:19,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:19,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:19,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:19,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:19,631 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:19,632 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:19,632 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:19,633 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:19,633 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:19,634 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:19,635 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:19,635 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:19,636 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:19,636 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:19,637 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:19,638 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:19,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:19,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:19,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:58:19,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:19,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:58:19,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:19,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:19,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:19,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:19,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:58:19,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:19,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:19,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:19,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:19,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:19,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:19,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:19,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:19,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:19,662 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:19,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:19,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:19,663 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:19,663 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:19,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:19,664 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_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 [2023-11-24 23:58:19,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:20,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:20,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:20,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:20,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:20,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-24 23:58:23,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:23,410 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:23,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-24 23:58:23,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/data/43526fd24/dc0139132e2343158b42da719f3a67c2/FLAG8d8e4b4e8 [2023-11-24 23:58:23,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/data/43526fd24/dc0139132e2343158b42da719f3a67c2 [2023-11-24 23:58:23,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:23,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:23,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:23,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:23,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:23,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2857565e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23, skipping insertion in model container [2023-11-24 23:58:23,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,540 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:23,747 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_411e0be9-f3c4-4f4d-9875-70f60632805d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-24 23:58:23,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:23,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:23,924 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_411e0be9-f3c4-4f4d-9875-70f60632805d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-24 23:58:24,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:24,036 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:24,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24 WrapperNode [2023-11-24 23:58:24,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:24,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:24,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:24,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:24,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,163 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2023-11-24 23:58:24,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:24,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:24,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:24,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:24,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:24,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:24,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:24,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:24,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (1/1) ... [2023-11-24 23:58:24,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:24,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:24,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:24,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:58:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:58:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:24,507 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:24,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:25,226 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:25,742 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:25,743 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:58:25,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:25 BoogieIcfgContainer [2023-11-24 23:58:25,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:25,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:25,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:25,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:25,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:23" (1/3) ... [2023-11-24 23:58:25,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2eb666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:25, skipping insertion in model container [2023-11-24 23:58:25,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:24" (2/3) ... [2023-11-24 23:58:25,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2eb666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:25, skipping insertion in model container [2023-11-24 23:58:25,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:25" (3/3) ... [2023-11-24 23:58:25,761 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-24 23:58:25,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:25,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:58:25,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:25,855 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;@21b0fb5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:25,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:58:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:58:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-24 23:58:25,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:25,875 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:25,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:25,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:25,882 INFO L85 PathProgramCache]: Analyzing trace with hash -644983045, now seen corresponding path program 1 times [2023-11-24 23:58:25,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:25,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639740455] [2023-11-24 23:58:25,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:26,099 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:58:26,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914057795] [2023-11-24 23:58:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:26,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:26,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:26,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:58:26,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:58:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:26,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:58:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:26,817 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:58:26,820 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:58:26,822 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:58:26,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:27,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:58:27,038 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:58:27,042 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:58:27,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:58:27 BoogieIcfgContainer [2023-11-24 23:58:27,165 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:58:27,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:58:27,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:58:27,166 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:58:27,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:25" (3/4) ... [2023-11-24 23:58:27,168 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:58:27,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:58:27,172 INFO L158 Benchmark]: Toolchain (without parser) took 3703.47ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 134.7MB in the beginning and 104.9MB in the end (delta: 29.8MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2023-11-24 23:58:27,172 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory was 93.2MB in the beginning and 93.1MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:27,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.70ms. Allocated memory is still 165.7MB. Free memory was 134.7MB in the beginning and 117.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:58:27,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.43ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 112.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:58:27,175 INFO L158 Benchmark]: Boogie Preprocessor took 96.78ms. Allocated memory is still 165.7MB. Free memory was 112.3MB in the beginning and 109.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:27,177 INFO L158 Benchmark]: RCFGBuilder took 1481.81ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 109.6MB in the beginning and 157.3MB in the end (delta: -47.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-11-24 23:58:27,178 INFO L158 Benchmark]: TraceAbstraction took 1415.56ms. Allocated memory is still 199.2MB. Free memory was 156.3MB in the beginning and 105.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-24 23:58:27,180 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 199.2MB. Free memory was 105.9MB in the beginning and 104.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:27,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory was 93.2MB in the beginning and 93.1MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.70ms. Allocated memory is still 165.7MB. Free memory was 134.7MB in the beginning and 117.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.43ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 112.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.78ms. Allocated memory is still 165.7MB. Free memory was 112.3MB in the beginning and 109.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1481.81ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 109.6MB in the beginning and 157.3MB in the end (delta: -47.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1415.56ms. Allocated memory is still 199.2MB. Free memory was 156.3MB in the beginning and 105.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 199.2MB. Free memory was 105.9MB in the beginning and 104.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 someBinaryArithmeticDOUBLEoperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 178, overapproximation of bitwiseOr at line 101, overapproximation of bitwiseAnd at line 113, overapproximation of someUnaryDOUBLEoperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_8 = 0; [L24] unsigned char var_1_9 = 1; [L25] signed short int var_1_10 = 1000; [L26] signed long int var_1_11 = -10; [L27] signed short int var_1_12 = 16; [L28] signed short int var_1_14 = 0; [L29] double var_1_16 = 7.3; [L30] double var_1_17 = 0.2; [L31] float var_1_18 = 3.5; [L32] float var_1_19 = 128.2; [L33] float var_1_20 = 5.8; [L34] signed char var_1_21 = 16; [L35] unsigned char var_1_22 = 1; [L36] signed long int var_1_23 = -128; [L37] unsigned short int var_1_24 = 128; [L38] float var_1_26 = 31.25; [L39] float var_1_27 = 0.6; [L40] float var_1_28 = 127.2; [L41] float var_1_29 = 128.18; [L42] float var_1_30 = 31.8; [L43] unsigned char var_1_31 = 25; [L44] unsigned char var_1_33 = 5; [L45] unsigned char var_1_34 = 2; [L46] unsigned char var_1_35 = 128; [L47] unsigned char last_1_var_1_1 = 1; [L48] signed short int last_1_var_1_14 = 0; [L49] signed long int last_1_var_1_23 = -128; [L50] unsigned char last_1_var_1_31 = 25; [L182] isInitial = 1 [L183] FCALL initially() [L184] int k_loop; [L185] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L185] COND TRUE k_loop < 1 [L186] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_14 = var_1_14 [L174] last_1_var_1_23 = var_1_23 [L175] last_1_var_1_31 = var_1_31 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L132] var_1_8 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_9=1] [L134] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L135] var_1_9 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L137] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L138] var_1_11 = __VERIFIER_nondet_long() [L139] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L142] var_1_12 = __VERIFIER_nondet_short() [L143] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L147] var_1_19 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L149] var_1_21 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_21 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_21 >= -128) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L153] var_1_27 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L155] var_1_28 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L157] var_1_29 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L159] var_1_30 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L161] var_1_33 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_33 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_33 <= 64) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L164] var_1_34 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_35=128, var_1_8=0, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=128, var_1_8=0, var_1_9=1] [L167] var_1_35 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_35 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 >= 127) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=64, var_1_12=32766, var_1_14=0, var_1_16=73/10, var_1_18=7/2, var_1_1=1, var_1_20=29/5, var_1_21=1, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L187] RET updateVariables() [L188] CALL step() [L54] COND TRUE (-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11) [L55] var_1_10 = ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))) [L59] signed long int stepLocal_8 = last_1_var_1_14; [L60] unsigned char stepLocal_7 = last_1_var_1_14 <= (last_1_var_1_14 * var_1_12); [L61] COND TRUE stepLocal_7 && last_1_var_1_1 [L62] COND FALSE !(last_1_var_1_31 <= stepLocal_8) [L69] var_1_31 = var_1_33 [L74] var_1_14 = (-2 + (last_1_var_1_31 + last_1_var_1_31)) [L75] unsigned char stepLocal_1 = var_1_31; [L76] COND TRUE stepLocal_1 == (-128 * var_1_31) [L77] var_1_16 = (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))) [L81] COND FALSE !(\read(var_1_8)) [L84] var_1_26 = ((((var_1_17) < ((var_1_29 - var_1_30))) ? (var_1_17) : ((var_1_29 - var_1_30)))) [L86] signed short int stepLocal_6 = var_1_10; [L87] COND FALSE !(stepLocal_6 >= ((((var_1_11) < ((var_1_31 * var_1_14))) ? (var_1_11) : ((var_1_31 * var_1_14))))) [L90] var_1_24 = var_1_31 [L92] signed long int stepLocal_5 = 25 * var_1_14; [L93] COND TRUE ! (var_1_31 <= var_1_10) [L94] COND FALSE !(var_1_10 >= stepLocal_5) [L97] var_1_23 = ((var_1_10 + var_1_14) + var_1_24) [L100] unsigned char stepLocal_0 = ((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31; [L101] EXPR var_1_31 | var_1_24 [L101] COND TRUE ((var_1_31 | var_1_24) <= var_1_31) || stepLocal_0 [L102] var_1_1 = ((! 1) && var_1_8) [L106] unsigned char stepLocal_2 = var_1_31; [L107] COND TRUE ((var_1_24 + -16) * var_1_23) >= stepLocal_2 [L108] var_1_18 = (64.9f + var_1_19) [L112] signed long int stepLocal_3 = var_1_14 % var_1_21; [L113] EXPR var_1_31 & var_1_24 [L113] COND TRUE stepLocal_3 >= (var_1_31 & var_1_24) [L114] var_1_20 = ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))) [L118] unsigned long int stepLocal_4 = ~ (var_1_31 * 128u); [L119] COND FALSE !(! (var_1_10 <= var_1_23)) [L128] var_1_22 = var_1_9 [L188] RET step() [L189] CALL, EXPR property() [L178] EXPR var_1_31 | var_1_24 [L178] EXPR ((((((((var_1_31 | var_1_24) <= var_1_31) || (((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31)) ? (var_1_1 == ((unsigned char) ((! 1) && var_1_8))) : (var_1_1 == ((unsigned char) var_1_9))) && (((-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11)) ? (var_1_10 == ((signed short int) ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))))) : (var_1_10 == ((signed short int) (last_1_var_1_31 - last_1_var_1_31))))) && (var_1_14 == ((signed short int) (-2 + (last_1_var_1_31 + last_1_var_1_31))))) && ((var_1_31 == (-128 * var_1_31)) ? (var_1_16 == ((double) (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))))) : (var_1_16 == ((double) var_1_17)))) && ((((var_1_24 + -16) * var_1_23) >= var_1_31) ? (var_1_18 == ((float) (64.9f + var_1_19))) : (var_1_18 == ((float) var_1_17)))) && (((var_1_14 % var_1_21) >= (var_1_31 & var_1_24)) ? (var_1_20 == ((float) ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))))) : (var_1_20 == ((float) var_1_19))) [L178-L179] return (((((((((((((var_1_31 | var_1_24) <= var_1_31) || (((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31)) ? (var_1_1 == ((unsigned char) ((! 1) && var_1_8))) : (var_1_1 == ((unsigned char) var_1_9))) && (((-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11)) ? (var_1_10 == ((signed short int) ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))))) : (var_1_10 == ((signed short int) (last_1_var_1_31 - last_1_var_1_31))))) && (var_1_14 == ((signed short int) (-2 + (last_1_var_1_31 + last_1_var_1_31))))) && ((var_1_31 == (-128 * var_1_31)) ? (var_1_16 == ((double) (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))))) : (var_1_16 == ((double) var_1_17)))) && ((((var_1_24 + -16) * var_1_23) >= var_1_31) ? (var_1_18 == ((float) (64.9f + var_1_19))) : (var_1_18 == ((float) var_1_17)))) && (((var_1_14 % var_1_21) >= (var_1_31 & var_1_24)) ? (var_1_20 == ((float) ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))))) : (var_1_20 == ((float) var_1_19)))) && ((! (var_1_10 <= var_1_23)) ? (var_1_1 ? (((~ (var_1_31 * 128u)) == var_1_23) ? (var_1_22 == ((unsigned char) (! var_1_9))) : 1) : (var_1_22 == ((unsigned char) var_1_9))) : (var_1_22 == ((unsigned char) var_1_9)))) && ((! (var_1_31 <= var_1_10)) ? ((var_1_10 >= (25 * var_1_14)) ? (var_1_23 == ((signed long int) ((((var_1_24) < (var_1_10)) ? (var_1_24) : (var_1_10))))) : (var_1_23 == ((signed long int) ((var_1_10 + var_1_14) + var_1_24)))) : 1)) && ((var_1_10 >= ((((var_1_11) < ((var_1_31 * var_1_14))) ? (var_1_11) : ((var_1_31 * var_1_14))))) ? (var_1_24 == ((unsigned short int) ((((var_1_31) < (var_1_31)) ? (var_1_31) : (var_1_31))))) : (var_1_24 == ((unsigned short int) var_1_31)))) && (var_1_8 ? (var_1_26 == ((float) (var_1_19 + ((var_1_27 + var_1_28) + var_1_17)))) : (var_1_26 == ((float) ((((var_1_17) < ((var_1_29 - var_1_30))) ? (var_1_17) : ((var_1_29 - var_1_30)))))))) && (((last_1_var_1_14 <= (last_1_var_1_14 * var_1_12)) && last_1_var_1_1) ? ((last_1_var_1_31 <= last_1_var_1_14) ? (((- var_1_19) >= var_1_17) ? (var_1_31 == ((unsigned char) (128 - ((((100) < ((var_1_33 + var_1_34))) ? (100) : ((var_1_33 + var_1_34))))))) : (var_1_31 == ((unsigned char) (var_1_35 - 5)))) : (var_1_31 == ((unsigned char) var_1_33))) : (var_1_31 == ((unsigned char) var_1_33))) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=-128, var_1_11=64, var_1_12=32766, var_1_14=48, var_1_16=3, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=4, var_1_21=1, var_1_22=1, var_1_23=-80, var_1_24=0, var_1_26=2, var_1_31=0, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=-128, var_1_11=64, var_1_12=32766, var_1_14=48, var_1_16=3, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=4, var_1_21=1, var_1_22=1, var_1_23=-80, var_1_24=0, var_1_26=2, var_1_31=0, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 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 [2023-11-24 23:58:27,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91 --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 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:29,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:29,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:58:29,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:29,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:30,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:30,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:30,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:30,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:30,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:30,026 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:30,026 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:30,026 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:30,028 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:30,029 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:30,029 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:30,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:30,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:30,031 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:58:30,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:58:30,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:30,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:30,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:30,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:30,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:58:30,034 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:58:30,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:58:30,035 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:58:30,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:30,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:30,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:30,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:58:30,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:30,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:30,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:30,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:30,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:30,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:30,039 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:58:30,040 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:58:30,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:30,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:30,041 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:30,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:30,042 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_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 [2023-11-24 23:58:30,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:30,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:30,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:30,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:30,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:30,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-24 23:58:33,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:33,860 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:33,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-24 23:58:33,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/data/25e90f018/ea89382917d2499892a2ccf36c51666f/FLAG40d4bc795 [2023-11-24 23:58:33,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/data/25e90f018/ea89382917d2499892a2ccf36c51666f [2023-11-24 23:58:33,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:33,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:33,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:33,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:33,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:33,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:33" (1/1) ... [2023-11-24 23:58:33,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428ba8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:33, skipping insertion in model container [2023-11-24 23:58:33,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:33" (1/1) ... [2023-11-24 23:58:33,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:34,099 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_411e0be9-f3c4-4f4d-9875-70f60632805d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-24 23:58:34,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:34,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:34,216 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_411e0be9-f3c4-4f4d-9875-70f60632805d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-24 23:58:34,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:34,327 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:34,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34 WrapperNode [2023-11-24 23:58:34,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:34,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:34,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:34,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:34,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,395 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-24 23:58:34,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:34,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:34,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:34,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:34,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:34,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:34,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:34,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:34,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (1/1) ... [2023-11-24 23:58:34,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:34,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:34,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:34,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:58:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:58:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:58:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:34,706 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:34,708 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:43,121 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:43,247 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:43,247 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:58:43,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:43 BoogieIcfgContainer [2023-11-24 23:58:43,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:43,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:43,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:43,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:43,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:33" (1/3) ... [2023-11-24 23:58:43,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5479c9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:43, skipping insertion in model container [2023-11-24 23:58:43,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:34" (2/3) ... [2023-11-24 23:58:43,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5479c9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:43, skipping insertion in model container [2023-11-24 23:58:43,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:43" (3/3) ... [2023-11-24 23:58:43,264 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-24 23:58:43,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:43,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:58:43,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:43,376 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;@6f6a6fac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:43,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:58:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:58:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-24 23:58:43,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:43,407 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:43,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:43,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:43,417 INFO L85 PathProgramCache]: Analyzing trace with hash 300763807, now seen corresponding path program 1 times [2023-11-24 23:58:43,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:43,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76878499] [2023-11-24 23:58:43,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:43,439 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 [2023-11-24 23:58:43,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:43,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:58:43,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:44,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:58:44,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-11-24 23:58:44,722 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:44,723 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:44,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76878499] [2023-11-24 23:58:44,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76878499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:44,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:44,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:44,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705591283] [2023-11-24 23:58:44,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:44,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:58:44,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:44,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:58:44,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:58:44,797 INFO L87 Difference]: Start difference. First operand has 74 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-24 23:58:47,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:47,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:47,316 INFO L93 Difference]: Finished difference Result 147 states and 253 transitions. [2023-11-24 23:58:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:58:47,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2023-11-24 23:58:47,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:47,327 INFO L225 Difference]: With dead ends: 147 [2023-11-24 23:58:47,328 INFO L226 Difference]: Without dead ends: 72 [2023-11-24 23:58:47,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:58:47,335 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:47,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-11-24 23:58:47,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-24 23:58:47,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-24 23:58:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:58:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 110 transitions. [2023-11-24 23:58:47,398 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 110 transitions. Word has length 157 [2023-11-24 23:58:47,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:47,399 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 110 transitions. [2023-11-24 23:58:47,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-24 23:58:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-11-24 23:58:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-24 23:58:47,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:47,405 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:47,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:47,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:47,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:47,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:47,607 INFO L85 PathProgramCache]: Analyzing trace with hash -505717549, now seen corresponding path program 1 times [2023-11-24 23:58:47,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:47,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459188813] [2023-11-24 23:58:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:47,609 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 [2023-11-24 23:58:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:47,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:58:47,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:48,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:58:48,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-24 23:58:51,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:51,884 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:51,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459188813] [2023-11-24 23:58:51,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459188813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:51,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:51,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:58:51,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450745274] [2023-11-24 23:58:51,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:51,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:58:51,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:51,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:58:51,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:58:51,891 INFO L87 Difference]: Start difference. First operand 72 states and 110 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-24 23:58:55,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:57,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:59,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:01,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:03,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:05,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:07,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:07,928 INFO L93 Difference]: Finished difference Result 215 states and 329 transitions. [2023-11-24 23:59:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:59:07,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2023-11-24 23:59:07,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:07,936 INFO L225 Difference]: With dead ends: 215 [2023-11-24 23:59:07,937 INFO L226 Difference]: Without dead ends: 144 [2023-11-24 23:59:07,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:59:07,941 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 49 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:07,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 353 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 81 Invalid, 7 Unknown, 0 Unchecked, 15.8s Time] [2023-11-24 23:59:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-24 23:59:08,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 118. [2023-11-24 23:59:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 67 states have (on average 1.2537313432835822) internal successors, (84), 67 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-24 23:59:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 180 transitions. [2023-11-24 23:59:08,023 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 180 transitions. Word has length 157 [2023-11-24 23:59:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:08,025 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 180 transitions. [2023-11-24 23:59:08,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-24 23:59:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-11-24 23:59:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-24 23:59:08,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:08,034 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:08,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:59:08,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:59:08,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:59:08,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:08,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1952472861, now seen corresponding path program 1 times [2023-11-24 23:59:08,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:08,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666573178] [2023-11-24 23:59:08,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:08,253 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 [2023-11-24 23:59:08,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:08,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:59:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:59:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:09,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:59:09,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 113 proven. 66 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2023-11-24 23:59:10,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:59:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-24 23:59:11,519 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:11,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666573178] [2023-11-24 23:59:11,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666573178] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:59:11,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2011827220] [2023-11-24 23:59:11,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:11,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:59:11,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:59:11,561 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:59:11,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411e0be9-f3c4-4f4d-9875-70f60632805d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:59:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:13,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:59:13,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-24 23:59:15,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:15,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2011827220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:15,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:59:15,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2023-11-24 23:59:15,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530288776] [2023-11-24 23:59:15,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:15,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:59:15,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:15,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:59:15,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:59:15,618 INFO L87 Difference]: Start difference. First operand 118 states and 180 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-24 23:59:18,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []