./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.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_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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_ab1be732-958e-4290-92f3-89c9196941f9/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 02fd9ca01e9b4cf3bb802fdecc600f36b127dae39ec959fa79aabe6d1e914ff2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:16,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:16,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:06:16,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:16,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:16,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:16,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:16,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:16,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:16,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:16,675 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:16,677 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:16,677 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:16,679 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:06:16,679 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:16,679 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:16,680 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:06:16,680 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:06:16,681 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:16,681 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:06:16,681 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:06:16,682 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:06:16,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:16,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:16,684 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:16,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:06:16,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:16,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:16,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:16,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:16,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:16,687 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:16,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:16,688 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:16,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:16,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:16,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:16,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:16,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:16,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:16,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:16,690 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:06:16,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:06:16,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:16,691 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:16,691 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:16,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:16,692 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_ab1be732-958e-4290-92f3-89c9196941f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02fd9ca01e9b4cf3bb802fdecc600f36b127dae39ec959fa79aabe6d1e914ff2 [2023-11-25 00:06:16,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:17,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:17,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:17,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:17,022 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:17,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i [2023-11-25 00:06:20,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:20,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:20,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i [2023-11-25 00:06:20,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/data/75bae2ef4/8101049a801e46ad9092ea359f5ae906/FLAG7b436d2a9 [2023-11-25 00:06:20,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/data/75bae2ef4/8101049a801e46ad9092ea359f5ae906 [2023-11-25 00:06:20,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:20,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:20,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:20,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:20,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:20,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541be81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20, skipping insertion in model container [2023-11-25 00:06:20,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,468 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:20,647 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_ab1be732-958e-4290-92f3-89c9196941f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i[913,926] [2023-11-25 00:06:20,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:20,729 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:20,742 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_ab1be732-958e-4290-92f3-89c9196941f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i[913,926] [2023-11-25 00:06:20,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:20,797 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:20,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20 WrapperNode [2023-11-25 00:06:20,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:20,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:20,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:20,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:20,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,865 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-25 00:06:20,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:20,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:20,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:20,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:20,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:20,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:20,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:20,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:20,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (1/1) ... [2023-11-25 00:06:20,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:20,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:20,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:21,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:06:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:06:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:06:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:21,122 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:21,124 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:21,630 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:21,927 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:21,927 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:21,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:21 BoogieIcfgContainer [2023-11-25 00:06:21,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:21,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:21,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:21,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:21,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:20" (1/3) ... [2023-11-25 00:06:21,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ea0fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:21, skipping insertion in model container [2023-11-25 00:06:21,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:20" (2/3) ... [2023-11-25 00:06:21,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ea0fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:21, skipping insertion in model container [2023-11-25 00:06:21,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:21" (3/3) ... [2023-11-25 00:06:21,942 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-49.i [2023-11-25 00:06:21,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:21,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:22,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:22,023 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;@e120cf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:22,023 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-25 00:06:22,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-25 00:06:22,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:22,044 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:22,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:22,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:22,051 INFO L85 PathProgramCache]: Analyzing trace with hash -2082602899, now seen corresponding path program 1 times [2023-11-25 00:06:22,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:22,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224214728] [2023-11-25 00:06:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:22,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:22,254 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:06:22,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1295795790] [2023-11-25 00:06:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:22,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:06:22,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:22,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:06:22,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:06:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:22,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:06:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:22,810 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:06:22,812 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:06:22,813 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:06:22,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:23,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:06:23,027 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:06:23,030 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:06:23,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:06:23 BoogieIcfgContainer [2023-11-25 00:06:23,161 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:06:23,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:06:23,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:06:23,162 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:06:23,163 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:21" (3/4) ... [2023-11-25 00:06:23,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:06:23,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:06:23,167 INFO L158 Benchmark]: Toolchain (without parser) took 2751.68ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 99.3MB in the end (delta: 53.1MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2023-11-25 00:06:23,167 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:23,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.28ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 137.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:06:23,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.31ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 133.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:06:23,169 INFO L158 Benchmark]: Boogie Preprocessor took 71.45ms. Allocated memory is still 184.5MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:06:23,170 INFO L158 Benchmark]: RCFGBuilder took 990.64ms. Allocated memory is still 184.5MB. Free memory was 131.4MB in the beginning and 150.5MB in the end (delta: -19.1MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-25 00:06:23,171 INFO L158 Benchmark]: TraceAbstraction took 1229.42ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 99.3MB in the end (delta: 50.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-25 00:06:23,171 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 184.5MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:23,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.28ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 137.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.31ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 133.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.45ms. Allocated memory is still 184.5MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 990.64ms. Allocated memory is still 184.5MB. Free memory was 131.4MB in the beginning and 150.5MB in the end (delta: -19.1MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1229.42ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 99.3MB in the end (delta: 50.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 184.5MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of bitwiseAnd at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 10; [L23] unsigned char var_1_2 = 0; [L24] unsigned long int var_1_3 = 3171453299; [L25] unsigned long int var_1_4 = 2038274679; [L26] unsigned long int var_1_5 = 1375699353; [L27] unsigned long int var_1_6 = 10; [L28] unsigned long int var_1_7 = 16; [L29] unsigned short int var_1_8 = 16; [L30] unsigned short int var_1_9 = 128; [L31] unsigned short int var_1_10 = 1; [L32] unsigned short int var_1_11 = 100; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] double var_1_14 = 64.45; [L36] float var_1_15 = 31.15; [L37] float var_1_16 = 16.4; [L38] double var_1_17 = 100.625; [L39] double var_1_18 = 128.1; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 8; [L42] unsigned char var_1_21 = 100; [L43] unsigned char var_1_22 = 0; [L44] signed char var_1_23 = 2; [L45] unsigned char var_1_24 = 0; [L148] isInitial = 1 [L149] FCALL initially() [L150] COND TRUE 1 [L151] FCALL updateLastVariables() [L152] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L92] var_1_3 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L94] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L95] var_1_4 = __VERIFIER_nondet_ulong() [L96] CALL assume_abort_if_not(var_1_4 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1375699353, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L98] var_1_5 = __VERIFIER_nondet_ulong() [L99] CALL assume_abort_if_not(var_1_5 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 >= 1073741824) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L100] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=10, var_1_7=16, var_1_8=16, var_1_9=128] [L101] var_1_6 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_7=16, var_1_8=16, var_1_9=128] [L103] CALL assume_abort_if_not(var_1_6 <= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=16, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 <= 1073741824) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=16, var_1_8=16, var_1_9=128] [L104] var_1_7 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_8=16, var_1_9=128] [L106] CALL assume_abort_if_not(var_1_7 <= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=128] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 <= 1073741824) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=128] [L107] var_1_9 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16] [L109] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L110] var_1_10 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=100, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L113] var_1_11 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L115] CALL assume_abort_if_not(var_1_11 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_11 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L116] var_1_13 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L119] var_1_15 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L121] var_1_16 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L123] var_1_17 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L127] var_1_20 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L129] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L130] var_1_21 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L132] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=2, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L133] var_1_23 = __VERIFIER_nondet_char() [L134] CALL assume_abort_if_not(var_1_23 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_23 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L135] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L136] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L137] var_1_24 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L139] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=16, var_1_9=0] [L152] RET updateVariables() [L153] CALL step() [L49] COND FALSE !(\read(var_1_2)) [L52] var_1_8 = ((((25) > ((((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) + (100 + var_1_11)))) ? (25) : ((((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) + (100 + var_1_11))))) [L53] COND TRUE ! var_1_2 [L54] COND TRUE (var_1_1 * ((((var_1_8) < (var_1_5)) ? (var_1_8) : (var_1_5)))) >= var_1_6 [L55] var_1_12 = var_1_13 [L60] COND FALSE !((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) [L63] COND FALSE !(var_1_13 && var_1_2) [L70] EXPR var_1_11 & var_1_4 [L70] COND FALSE !((-2 / var_1_23) >= (var_1_11 & var_1_4)) [L85] var_1_22 = var_1_13 [L153] RET step() [L154] CALL, EXPR property() [L144] EXPR (((((var_1_2 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) + (100 + var_1_11)))) ? (25) : ((((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) + (100 + var_1_11)))))))) && ((! var_1_2) ? (((var_1_1 * ((((var_1_8) < (var_1_5)) ? (var_1_8) : (var_1_5)))) >= var_1_6) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && var_1_2) ? ((var_1_4 > (256u * var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_11 & var_1_4)) ? ((var_1_21 >= (var_1_19 + var_1_5)) ? (((~ var_1_10) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) [L144-L145] return (((((var_1_2 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) + (100 + var_1_11)))) ? (25) : ((((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) + (100 + var_1_11)))))))) && ((! var_1_2) ? (((var_1_1 * ((((var_1_8) < (var_1_5)) ? (var_1_8) : (var_1_5)))) >= var_1_6) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && var_1_2) ? ((var_1_4 > (256u * var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_11 & var_1_4)) ? ((var_1_21 >= (var_1_19 + var_1_5)) ? (((~ var_1_10) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=1289/20, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=1, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=101, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=1289/20, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=254, var_1_21=254, var_1_22=1, var_1_23=127, var_1_24=0, var_1_2=0, var_1_3=2147483647, var_1_4=2147483647, var_1_5=1073741824, var_1_6=1010, var_1_7=0, var_1_8=101, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 33, 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=60occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 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 [2023-11-25 00:06:23,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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_ab1be732-958e-4290-92f3-89c9196941f9/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 02fd9ca01e9b4cf3bb802fdecc600f36b127dae39ec959fa79aabe6d1e914ff2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:25,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:25,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:06:26,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:26,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:26,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:26,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:26,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:26,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:26,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:26,082 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:26,083 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:26,083 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:26,085 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:26,086 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:26,086 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:26,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:26,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:26,089 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:26,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:26,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:26,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:26,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:26,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:26,092 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:06:26,093 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:06:26,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:06:26,094 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:26,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:26,095 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:26,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:26,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:06:26,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:26,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:26,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:26,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:26,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:26,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:26,100 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:06:26,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:06:26,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:26,102 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:26,102 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:26,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:26,103 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_ab1be732-958e-4290-92f3-89c9196941f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02fd9ca01e9b4cf3bb802fdecc600f36b127dae39ec959fa79aabe6d1e914ff2 [2023-11-25 00:06:26,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:26,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:26,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:26,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:26,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:26,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i [2023-11-25 00:06:29,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:29,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:29,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i [2023-11-25 00:06:29,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/data/e16793f6d/4925ed2a24b9477e8510816826c94ea0/FLAGd750e31b8 [2023-11-25 00:06:30,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/data/e16793f6d/4925ed2a24b9477e8510816826c94ea0 [2023-11-25 00:06:30,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:30,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:30,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:30,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:30,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:30,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6889c734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30, skipping insertion in model container [2023-11-25 00:06:30,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:30,289 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_ab1be732-958e-4290-92f3-89c9196941f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i[913,926] [2023-11-25 00:06:30,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:30,414 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:30,432 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_ab1be732-958e-4290-92f3-89c9196941f9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-49.i[913,926] [2023-11-25 00:06:30,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:30,522 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:30,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30 WrapperNode [2023-11-25 00:06:30,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:30,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:30,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:30,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:30,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,637 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-11-25 00:06:30,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:30,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:30,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:30,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:30,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:30,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:30,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:30,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:30,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (1/1) ... [2023-11-25 00:06:30,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:30,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:30,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:30,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:06:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:06:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:06:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:30,918 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:30,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:31,505 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:31,546 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:31,547 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:31,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:31 BoogieIcfgContainer [2023-11-25 00:06:31,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:31,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:31,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:31,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:31,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:30" (1/3) ... [2023-11-25 00:06:31,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c09e578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:31, skipping insertion in model container [2023-11-25 00:06:31,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:30" (2/3) ... [2023-11-25 00:06:31,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c09e578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:31, skipping insertion in model container [2023-11-25 00:06:31,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:31" (3/3) ... [2023-11-25 00:06:31,557 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-49.i [2023-11-25 00:06:31,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:31,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:31,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:31,634 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;@a9079e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:31,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-25 00:06:31,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-25 00:06:31,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:31,658 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:31,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:31,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:31,665 INFO L85 PathProgramCache]: Analyzing trace with hash -736744408, now seen corresponding path program 1 times [2023-11-25 00:06:31,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:31,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202719188] [2023-11-25 00:06:31,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:31,682 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 [2023-11-25 00:06:31,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:31,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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) [2023-11-25 00:06:31,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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 [2023-11-25 00:06:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:32,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:06:32,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1024 proven. 0 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-11-25 00:06:32,372 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:06:32,373 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:32,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202719188] [2023-11-25 00:06:32,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202719188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:32,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:32,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:32,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745540571] [2023-11-25 00:06:32,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:32,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:06:32,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:32,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:06:32,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:06:32,440 INFO L87 Difference]: Start difference. First operand has 75 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-25 00:06:32,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:32,559 INFO L93 Difference]: Finished difference Result 146 states and 269 transitions. [2023-11-25 00:06:32,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:06:32,568 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 194 [2023-11-25 00:06:32,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:32,576 INFO L225 Difference]: With dead ends: 146 [2023-11-25 00:06:32,576 INFO L226 Difference]: Without dead ends: 72 [2023-11-25 00:06:32,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:06:32,589 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:32,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:06:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-25 00:06:32,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-25 00:06:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-25 00:06:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2023-11-25 00:06:32,711 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 194 [2023-11-25 00:06:32,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:32,712 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2023-11-25 00:06:32,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-25 00:06:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-25 00:06:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-25 00:06:32,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:32,728 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:32,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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 [2023-11-25 00:06:32,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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 [2023-11-25 00:06:32,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:32,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:32,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1038896546, now seen corresponding path program 1 times [2023-11-25 00:06:32,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:32,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945770900] [2023-11-25 00:06:32,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:32,945 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 [2023-11-25 00:06:32,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:32,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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) [2023-11-25 00:06:32,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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 [2023-11-25 00:06:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:33,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:06:33,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1076 proven. 42 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2023-11-25 00:06:33,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:06:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 54 proven. 42 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-25 00:06:34,142 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:06:34,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945770900] [2023-11-25 00:06:34,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945770900] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:06:34,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [9453869] [2023-11-25 00:06:34,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:34,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:06:34,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:06:34,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:06:34,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-25 00:06:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:35,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:06:35,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1076 proven. 42 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2023-11-25 00:06:35,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:06:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 54 proven. 42 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-25 00:06:35,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [9453869] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:06:35,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571159111] [2023-11-25 00:06:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:35,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:06:35,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:35,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:06:35,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-25 00:06:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:35,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:06:35,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:06:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1076 proven. 42 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2023-11-25 00:06:36,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:06:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 54 proven. 42 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-25 00:06:36,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571159111] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:06:36,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-25 00:06:36,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-25 00:06:36,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623501473] [2023-11-25 00:06:36,413 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-25 00:06:36,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-25 00:06:36,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:06:36,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-25 00:06:36,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:06:36,418 INFO L87 Difference]: Start difference. First operand 72 states and 112 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-25 00:06:37,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:37,372 INFO L93 Difference]: Finished difference Result 162 states and 246 transitions. [2023-11-25 00:06:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-25 00:06:37,376 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 194 [2023-11-25 00:06:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:37,380 INFO L225 Difference]: With dead ends: 162 [2023-11-25 00:06:37,380 INFO L226 Difference]: Without dead ends: 91 [2023-11-25 00:06:37,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1162 GetRequests, 1149 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2023-11-25 00:06:37,383 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 120 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:37,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 162 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-25 00:06:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-25 00:06:37,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 80. [2023-11-25 00:06:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 44 states have internal predecessors, (54), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-25 00:06:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 120 transitions. [2023-11-25 00:06:37,434 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 120 transitions. Word has length 194 [2023-11-25 00:06:37,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:37,435 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 120 transitions. [2023-11-25 00:06:37,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-25 00:06:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 120 transitions. [2023-11-25 00:06:37,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-25 00:06:37,449 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:37,452 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:37,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:37,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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 [2023-11-25 00:06:37,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:06:38,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:06:38,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:38,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:38,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1895211642, now seen corresponding path program 1 times [2023-11-25 00:06:38,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:38,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692854389] [2023-11-25 00:06:38,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:38,057 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 [2023-11-25 00:06:38,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:38,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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) [2023-11-25 00:06:38,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab1be732-958e-4290-92f3-89c9196941f9/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 (6)] Waiting until timeout for monitored process [2023-11-25 00:06:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:38,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-25 00:06:38,369 INFO L285 TraceCheckSpWp]: Computing forward predicates...