./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/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 372bad28063f40745a1d198085d9dba9c573515785fed9177a01325fc4e12ae1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:22:22,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:22:22,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:22:22,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:22:22,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:22:22,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:22:22,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:22:22,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:22:22,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:22:22,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:22:22,710 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:22:22,711 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:22:22,712 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:22:22,714 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:22:22,714 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:22:22,715 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:22:22,715 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:22:22,715 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:22:22,716 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:22:22,716 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:22:22,717 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:22:22,718 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:22:22,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:22:22,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:22:22,719 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:22:22,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:22:22,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:22:22,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:22:22,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:22:22,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:22:22,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:22:22,723 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:22:22,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:22:22,723 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:22:22,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:22:22,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:22:22,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:22:22,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:22,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:22:22,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:22:22,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:22:22,728 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:22:22,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:22:22,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:22:22,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:22:22,729 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:22:22,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:22:22,729 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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 372bad28063f40745a1d198085d9dba9c573515785fed9177a01325fc4e12ae1 [2023-11-24 23:22:23,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:22:23,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:22:23,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:22:23,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:22:23,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:22:23,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i [2023-11-24 23:22:26,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:22:26,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:22:26,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i [2023-11-24 23:22:26,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/data/16307cfd9/234e978ca52a491992561f684e3f6c0c/FLAG883a64c1a [2023-11-24 23:22:26,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/data/16307cfd9/234e978ca52a491992561f684e3f6c0c [2023-11-24 23:22:26,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:22:26,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:22:26,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:26,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:22:26,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:22:26,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edc6d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26, skipping insertion in model container [2023-11-24 23:22:26,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:22:26,775 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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i[916,929] [2023-11-24 23:22:26,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:26,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:22:26,913 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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i[916,929] [2023-11-24 23:22:26,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:26,976 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:22:26,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26 WrapperNode [2023-11-24 23:22:26,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:26,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:26,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:22:26,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:22:26,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,071 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-24 23:22:27,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:27,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:22:27,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:22:27,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:22:27,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:22:27,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:22:27,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:22:27,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:22:27,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:27,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:27,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:27,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:22:27,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:22:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:22:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:22:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:22:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:22:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:22:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:22:27,386 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:22:27,390 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:27,936 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:28,157 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:28,157 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:22:28,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:28 BoogieIcfgContainer [2023-11-24 23:22:28,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:28,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:28,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:28,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:28,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:22:26" (1/3) ... [2023-11-24 23:22:28,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fa538a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:28, skipping insertion in model container [2023-11-24 23:22:28,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26" (2/3) ... [2023-11-24 23:22:28,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fa538a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:28, skipping insertion in model container [2023-11-24 23:22:28,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:28" (3/3) ... [2023-11-24 23:22:28,177 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-86.i [2023-11-24 23:22:28,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:28,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:22:28,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:28,265 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;@3163f2c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:28,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:22:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:22:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 23:22:28,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:28,286 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:28,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:28,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:28,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1082631973, now seen corresponding path program 1 times [2023-11-24 23:22:28,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:22:28,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64183833] [2023-11-24 23:22:28,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:22:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:22:28,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:22:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:22:29,372 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:22:29,374 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:22:29,375 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:22:29,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:22:29,384 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:22:29,389 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:22:29,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:22:29 BoogieIcfgContainer [2023-11-24 23:22:29,519 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:22:29,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:22:29,521 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:22:29,522 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:22:29,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:28" (3/4) ... [2023-11-24 23:22:29,527 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:22:29,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:22:29,530 INFO L158 Benchmark]: Toolchain (without parser) took 3011.10ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 98.5MB in the beginning and 138.6MB in the end (delta: -40.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,531 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:22:29,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.97ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 84.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.70ms. Allocated memory is still 144.7MB. Free memory was 84.1MB in the beginning and 79.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,535 INFO L158 Benchmark]: Boogie Preprocessor took 52.39ms. Allocated memory is still 144.7MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,539 INFO L158 Benchmark]: RCFGBuilder took 1034.49ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 77.0MB in the beginning and 141.0MB in the end (delta: -63.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,541 INFO L158 Benchmark]: TraceAbstraction took 1354.59ms. Allocated memory is still 192.9MB. Free memory was 139.7MB in the beginning and 138.6MB in the end (delta: 1.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-24 23:22:29,541 INFO L158 Benchmark]: Witness Printer took 7.42ms. Allocated memory is still 192.9MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:22:29,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.97ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 84.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.70ms. Allocated memory is still 144.7MB. Free memory was 84.1MB in the beginning and 79.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.39ms. Allocated memory is still 144.7MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1034.49ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 77.0MB in the beginning and 141.0MB in the end (delta: -63.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1354.59ms. Allocated memory is still 192.9MB. Free memory was 139.7MB in the beginning and 138.6MB in the end (delta: 1.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 7.42ms. Allocated memory is still 192.9MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_3 = 2; [L25] signed short int var_1_4 = 256; [L26] signed short int var_1_5 = -256; [L27] signed short int var_1_6 = 2; [L28] signed long int var_1_7 = 255; [L29] signed long int var_1_8 = 127; [L30] signed long int var_1_9 = 128; [L31] signed long int var_1_10 = 499; [L32] unsigned short int var_1_11 = 10; [L33] unsigned char var_1_12 = 1; [L34] unsigned short int var_1_13 = 8; [L35] unsigned short int var_1_14 = 256; [L36] unsigned short int var_1_15 = 1; [L37] unsigned short int var_1_16 = 16; [L38] unsigned short int var_1_17 = 57705; [L39] unsigned long int var_1_18 = 64; [L114] isInitial = 1 [L115] FCALL initially() [L116] COND TRUE 1 [L117] FCALL updateLastVariables() [L118] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_3=2, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_3=2, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L66] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=2, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=2, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L67] var_1_3 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_3 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_3 >= -16383) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L69] CALL assume_abort_if_not(var_1_3 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 <= 16383) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=256, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L70] var_1_4 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_4 >= -8191) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 >= -8191) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L72] CALL assume_abort_if_not(var_1_4 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 <= 8192) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=-256, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L73] var_1_5 = __VERIFIER_nondet_short() [L74] CALL assume_abort_if_not(var_1_5 >= -8191) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 >= -8191) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L75] CALL assume_abort_if_not(var_1_5 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 <= 8191) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=2, var_1_7=255, var_1_8=127, var_1_9=128] [L76] var_1_6 = __VERIFIER_nondet_short() [L77] CALL assume_abort_if_not(var_1_6 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_6 >= -32767) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=127, var_1_9=128] [L78] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=127, var_1_9=128] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=127, var_1_9=128] [L79] var_1_8 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=128] [L81] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=128] [L82] var_1_9 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L84] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=499, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L85] var_1_10 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L87] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L88] var_1_12 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L90] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=8, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L91] var_1_13 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L93] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=256, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L94] var_1_14 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L96] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=1, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L97] var_1_15 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L99] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=16, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L100] var_1_16 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L102] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=0, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=0, var_1_17=57705, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L103] var_1_17 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=0, var_1_17=32767, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=0, var_1_17=32767, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L105] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=0, var_1_17=32767, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=0, var_1_17=32767, var_1_18=64, var_1_1=0, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L118] RET updateVariables() [L119] CALL step() [L43] COND FALSE !(! var_1_2) [L46] var_1_1 = var_1_5 [L48] signed short int stepLocal_0 = var_1_5; [L49] COND TRUE stepLocal_0 > 2 [L50] var_1_7 = ((var_1_8 + var_1_9) - var_1_10) [L52] var_1_18 = var_1_17 [L53] COND FALSE !(var_1_2 && var_1_12) [L56] EXPR -25 << var_1_18 [L56] COND FALSE !(var_1_3 < (200 * (-25 << var_1_18))) [L59] var_1_11 = (var_1_17 - var_1_15) [L119] RET step() [L120] CALL, EXPR property() [L110] EXPR (((! var_1_2) ? (var_1_1 == ((signed short int) (((((var_1_3 + (var_1_4 + var_1_5))) < (var_1_6)) ? ((var_1_3 + (var_1_4 + var_1_5))) : (var_1_6))))) : (var_1_1 == ((signed short int) var_1_5))) && ((var_1_5 > 2) ? (var_1_7 == ((signed long int) ((var_1_8 + var_1_9) - var_1_10))) : 1)) && ((var_1_2 && var_1_12) ? (var_1_11 == ((unsigned short int) (var_1_13 + ((((((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) < (var_1_16)) ? (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) : (var_1_16)))))) : ((var_1_3 < (200 * (-25 << var_1_18))) ? (var_1_11 == ((unsigned short int) ((((((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) < 0 ) ? -(((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) : (((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))))))) : (var_1_11 == ((unsigned short int) (var_1_17 - var_1_15))))) [L110] EXPR (var_1_2 && var_1_12) ? (var_1_11 == ((unsigned short int) (var_1_13 + ((((((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) < (var_1_16)) ? (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) : (var_1_16)))))) : ((var_1_3 < (200 * (-25 << var_1_18))) ? (var_1_11 == ((unsigned short int) ((((((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) < 0 ) ? -(((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) : (((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))))))) : (var_1_11 == ((unsigned short int) (var_1_17 - var_1_15)))) [L110] EXPR -25 << var_1_18 [L110] EXPR (var_1_2 && var_1_12) ? (var_1_11 == ((unsigned short int) (var_1_13 + ((((((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) < (var_1_16)) ? (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) : (var_1_16)))))) : ((var_1_3 < (200 * (-25 << var_1_18))) ? (var_1_11 == ((unsigned short int) ((((((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) < 0 ) ? -(((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) : (((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))))))) : (var_1_11 == ((unsigned short int) (var_1_17 - var_1_15)))) [L110] EXPR (((! var_1_2) ? (var_1_1 == ((signed short int) (((((var_1_3 + (var_1_4 + var_1_5))) < (var_1_6)) ? ((var_1_3 + (var_1_4 + var_1_5))) : (var_1_6))))) : (var_1_1 == ((signed short int) var_1_5))) && ((var_1_5 > 2) ? (var_1_7 == ((signed long int) ((var_1_8 + var_1_9) - var_1_10))) : 1)) && ((var_1_2 && var_1_12) ? (var_1_11 == ((unsigned short int) (var_1_13 + ((((((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) < (var_1_16)) ? (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) : (var_1_16)))))) : ((var_1_3 < (200 * (-25 << var_1_18))) ? (var_1_11 == ((unsigned short int) ((((((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) < 0 ) ? -(((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) : (((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))))))) : (var_1_11 == ((unsigned short int) (var_1_17 - var_1_15))))) [L110-L111] return ((((! var_1_2) ? (var_1_1 == ((signed short int) (((((var_1_3 + (var_1_4 + var_1_5))) < (var_1_6)) ? ((var_1_3 + (var_1_4 + var_1_5))) : (var_1_6))))) : (var_1_1 == ((signed short int) var_1_5))) && ((var_1_5 > 2) ? (var_1_7 == ((signed long int) ((var_1_8 + var_1_9) - var_1_10))) : 1)) && ((var_1_2 && var_1_12) ? (var_1_11 == ((unsigned short int) (var_1_13 + ((((((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) < (var_1_16)) ? (((((var_1_14) > (var_1_15)) ? (var_1_14) : (var_1_15)))) : (var_1_16)))))) : ((var_1_3 < (200 * (-25 << var_1_18))) ? (var_1_11 == ((unsigned short int) ((((((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) < 0 ) ? -(((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))) : (((((var_1_17 - 10000)) > (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14))))) ? ((var_1_17 - 10000)) : (((((var_1_15) < (var_1_14)) ? (var_1_15) : (var_1_14)))))))))) : (var_1_11 == ((unsigned short int) (var_1_17 - var_1_15)))))) && (var_1_18 == ((unsigned long int) var_1_17)) ; [L120] RET, EXPR property() [L120] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=9999, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_1=4, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=9999, var_1_12=0, var_1_13=9999, var_1_14=22769, var_1_15=22768, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_1=4, var_1_2=1, var_1_3=-4800, var_1_4=-8191, var_1_5=4, var_1_6=-12986, var_1_7=255, var_1_8=0, var_1_9=255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 28, 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=51occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:22:29,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/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 372bad28063f40745a1d198085d9dba9c573515785fed9177a01325fc4e12ae1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:22:32,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:22:32,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:22:32,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:22:32,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:22:32,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:22:32,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:22:32,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:22:32,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:22:32,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:22:32,447 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:22:32,447 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:22:32,448 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:22:32,453 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:22:32,454 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:22:32,454 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:22:32,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:22:32,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:22:32,457 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:22:32,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:22:32,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:22:32,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:22:32,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:22:32,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:22:32,460 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:22:32,461 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:22:32,461 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:22:32,462 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:22:32,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:22:32,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:22:32,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:22:32,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:22:32,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:22:32,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:22:32,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:32,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:22:32,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:22:32,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:22:32,467 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:22:32,468 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:22:32,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:22:32,469 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:22:32,469 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:22:32,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:22:32,470 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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 372bad28063f40745a1d198085d9dba9c573515785fed9177a01325fc4e12ae1 [2023-11-24 23:22:32,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:22:32,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:22:32,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:22:32,968 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:22:32,970 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:22:32,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i [2023-11-24 23:22:36,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:22:36,475 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:22:36,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i [2023-11-24 23:22:36,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/data/204c06892/26829cfa3d724074ad85c01b0d1e645c/FLAG8a7963091 [2023-11-24 23:22:36,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/data/204c06892/26829cfa3d724074ad85c01b0d1e645c [2023-11-24 23:22:36,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:22:36,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:22:36,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:36,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:22:36,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:22:36,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:36,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231a3236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36, skipping insertion in model container [2023-11-24 23:22:36,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:36,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:22:36,773 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_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i[916,929] [2023-11-24 23:22:36,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:36,851 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:22:36,878 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-86.i[916,929] [2023-11-24 23:22:36,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:36,979 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:22:36,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36 WrapperNode [2023-11-24 23:22:36,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:36,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:36,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:22:36,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:22:36,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,036 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2023-11-24 23:22:37,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:37,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:22:37,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:22:37,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:22:37,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:22:37,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:22:37,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:22:37,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:22:37,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (1/1) ... [2023-11-24 23:22:37,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:37,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:37,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:22:37,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:22:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:22:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:22:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:22:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:22:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:22:37,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:22:37,306 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:22:37,309 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:37,592 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:37,679 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:37,679 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:22:37,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:37 BoogieIcfgContainer [2023-11-24 23:22:37,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:37,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:37,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:37,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:37,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:22:36" (1/3) ... [2023-11-24 23:22:37,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1586ec11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:37, skipping insertion in model container [2023-11-24 23:22:37,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:36" (2/3) ... [2023-11-24 23:22:37,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1586ec11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:37, skipping insertion in model container [2023-11-24 23:22:37,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:37" (3/3) ... [2023-11-24 23:22:37,693 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-86.i [2023-11-24 23:22:37,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:37,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:22:37,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:37,812 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;@6bd7cd16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:37,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:22:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:22:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-24 23:22:37,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:37,846 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:37,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:37,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:37,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1453638117, now seen corresponding path program 1 times [2023-11-24 23:22:37,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:37,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473290117] [2023-11-24 23:22:37,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:37,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:22:37,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:37,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:22:37,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:22:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:38,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:22:38,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-24 23:22:38,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:38,249 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:38,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473290117] [2023-11-24 23:22:38,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473290117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:38,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:38,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:22:38,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246276745] [2023-11-24 23:22:38,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:38,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:22:38,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:38,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:22:38,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:38,315 INFO L87 Difference]: Start difference. First operand has 61 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-24 23:22:38,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:38,407 INFO L93 Difference]: Finished difference Result 119 states and 216 transitions. [2023-11-24 23:22:38,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:22:38,412 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 164 [2023-11-24 23:22:38,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:38,424 INFO L225 Difference]: With dead ends: 119 [2023-11-24 23:22:38,424 INFO L226 Difference]: Without dead ends: 59 [2023-11-24 23:22:38,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:38,436 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:38,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:22:38,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-24 23:22:38,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-24 23:22:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:22:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 90 transitions. [2023-11-24 23:22:38,508 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 90 transitions. Word has length 164 [2023-11-24 23:22:38,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:38,508 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 90 transitions. [2023-11-24 23:22:38,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-24 23:22:38,509 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2023-11-24 23:22:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-24 23:22:38,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:38,513 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:38,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:38,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:22:38,718 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:38,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:38,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1600960997, now seen corresponding path program 1 times [2023-11-24 23:22:38,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:38,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209065562] [2023-11-24 23:22:38,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:38,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:22:38,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:38,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:22:38,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:22:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:38,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:22:38,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-24 23:22:38,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:38,964 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:38,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209065562] [2023-11-24 23:22:38,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209065562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:38,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:38,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:22:38,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206389841] [2023-11-24 23:22:38,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:38,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:22:38,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:38,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:22:38,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:22:38,969 INFO L87 Difference]: Start difference. First operand 59 states and 90 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-24 23:22:39,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:39,047 INFO L93 Difference]: Finished difference Result 128 states and 193 transitions. [2023-11-24 23:22:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:22:39,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 164 [2023-11-24 23:22:39,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:39,053 INFO L225 Difference]: With dead ends: 128 [2023-11-24 23:22:39,053 INFO L226 Difference]: Without dead ends: 70 [2023-11-24 23:22:39,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:22:39,056 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 9 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:39,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 171 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:22:39,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-24 23:22:39,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2023-11-24 23:22:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:22:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2023-11-24 23:22:39,072 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 164 [2023-11-24 23:22:39,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:39,075 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2023-11-24 23:22:39,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-24 23:22:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2023-11-24 23:22:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-24 23:22:39,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:39,079 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:39,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:39,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:22:39,283 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:39,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:39,284 INFO L85 PathProgramCache]: Analyzing trace with hash 791614371, now seen corresponding path program 1 times [2023-11-24 23:22:39,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:39,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094433954] [2023-11-24 23:22:39,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:39,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:22:39,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:39,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:22:39,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a9bd18-eeba-43db-9198-a3c2ed3e90f3/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:22:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:39,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:22:39,465 INFO L285 TraceCheckSpWp]: Computing forward predicates...