./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 970538dd9083d93a461fb14f2c7c5ecaf35f3c2afcba98b5255f20442a223b33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:38,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:38,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:13:38,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:38,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:38,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:38,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:38,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:38,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:38,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:38,694 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:38,695 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:38,695 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:38,696 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:13:38,697 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:38,697 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:38,698 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:13:38,699 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:13:38,699 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:38,700 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:13:38,701 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:13:38,702 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:13:38,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:38,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:38,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:38,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:13:38,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:38,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:38,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:38,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:38,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:38,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:38,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:38,710 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:38,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:38,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:38,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:38,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:38,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:38,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:38,713 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:13:38,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:13:38,714 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:38,715 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:38,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:38,715 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_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970538dd9083d93a461fb14f2c7c5ecaf35f3c2afcba98b5255f20442a223b33 [2023-11-19 05:13:39,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:39,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:39,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:39,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:39,062 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:39,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-19 05:13:42,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:42,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:42,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-19 05:13:42,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/data/47385f006/c2843eaafdbe4df4b4496f0f368581e0/FLAG9a37680a8 [2023-11-19 05:13:42,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/data/47385f006/c2843eaafdbe4df4b4496f0f368581e0 [2023-11-19 05:13:42,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:42,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:42,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:42,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:42,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:42,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:42" (1/1) ... [2023-11-19 05:13:42,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40431a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:42, skipping insertion in model container [2023-11-19 05:13:42,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:42" (1/1) ... [2023-11-19 05:13:42,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:42,978 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_efa9b165-deaf-4623-9989-d32ab656ffe7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i[919,932] [2023-11-19 05:13:43,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:43,116 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:43,131 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_efa9b165-deaf-4623-9989-d32ab656ffe7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i[919,932] [2023-11-19 05:13:43,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:43,198 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:43,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43 WrapperNode [2023-11-19 05:13:43,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:43,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:43,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:43,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:43,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,284 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 270 [2023-11-19 05:13:43,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:43,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:43,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:43,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:43,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:43,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:43,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:43,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:43,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:43,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:43,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:43,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:13:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:43,607 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:43,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:44,385 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:45,019 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:45,019 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:45,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:45 BoogieIcfgContainer [2023-11-19 05:13:45,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:45,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:45,032 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:45,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:45,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:42" (1/3) ... [2023-11-19 05:13:45,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa82251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:45, skipping insertion in model container [2023-11-19 05:13:45,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (2/3) ... [2023-11-19 05:13:45,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa82251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:45, skipping insertion in model container [2023-11-19 05:13:45,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:45" (3/3) ... [2023-11-19 05:13:45,042 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-19 05:13:45,066 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:45,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:45,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:45,137 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;@78195246, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:45,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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) [2023-11-19 05:13:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:13:45,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:45,160 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, 1, 1] [2023-11-19 05:13:45,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:45,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:45,168 INFO L85 PathProgramCache]: Analyzing trace with hash 908550141, now seen corresponding path program 1 times [2023-11-19 05:13:45,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:13:45,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756765125] [2023-11-19 05:13:45,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:13:45,493 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:13:45,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1926783594] [2023-11-19 05:13:45,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:45,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:13:45,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:45,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:13:45,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:13:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:45,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:13:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:46,166 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:13:46,169 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:13:46,171 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:13:46,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:46,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:13:46,386 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:13:46,391 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:13:46,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:13:46 BoogieIcfgContainer [2023-11-19 05:13:46,546 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:13:46,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:13:46,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:13:46,547 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:13:46,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:45" (3/4) ... [2023-11-19 05:13:46,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:13:46,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:13:46,553 INFO L158 Benchmark]: Toolchain (without parser) took 3834.64ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 94.9MB in the beginning and 112.8MB in the end (delta: -17.9MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2023-11-19 05:13:46,553 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:46,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.46ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 79.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:13:46,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.14ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 73.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:13:46,556 INFO L158 Benchmark]: Boogie Preprocessor took 63.23ms. Allocated memory is still 134.2MB. Free memory was 73.3MB in the beginning and 70.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:46,557 INFO L158 Benchmark]: RCFGBuilder took 1678.00ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 70.7MB in the beginning and 95.8MB in the end (delta: -25.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:46,557 INFO L158 Benchmark]: TraceAbstraction took 1515.18ms. Allocated memory is still 197.1MB. Free memory was 95.8MB in the beginning and 112.8MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:46,558 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 197.1MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:46,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.46ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 79.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.14ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 73.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.23ms. Allocated memory is still 134.2MB. Free memory was 73.3MB in the beginning and 70.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1678.00ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 70.7MB in the beginning and 95.8MB in the end (delta: -25.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1515.18ms. Allocated memory is still 197.1MB. Free memory was 95.8MB in the beginning and 112.8MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 197.1MB. Free memory is still 112.8MB. 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 bitwiseOr at line 86, overapproximation of shiftLeft at line 120, overapproximation of someUnaryDOUBLEoperation at line 70, overapproximation of someBinaryArithmeticDOUBLEoperation at line 77, overapproximation of bitwiseAnd at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 10; [L23] signed char var_1_3 = 1; [L24] signed char var_1_4 = 100; [L25] signed char var_1_5 = 5; [L26] signed char var_1_6 = 32; [L27] signed char var_1_7 = 32; [L28] unsigned short int var_1_8 = 8; [L29] unsigned short int var_1_10 = 21451; [L30] unsigned char var_1_12 = 8; [L31] unsigned short int var_1_13 = 16; [L32] unsigned short int var_1_16 = 53444; [L33] unsigned char var_1_17 = 0; [L34] unsigned char var_1_18 = 0; [L35] double var_1_19 = 1.2; [L36] signed char var_1_20 = 1; [L37] double var_1_21 = 10.5; [L38] double var_1_22 = 0.0; [L39] double var_1_23 = 10.4; [L40] double var_1_24 = 50.5; [L41] unsigned short int var_1_25 = 2; [L42] signed long int var_1_26 = 500; [L43] float var_1_31 = 99.375; [L44] unsigned char var_1_34 = 8; [L45] signed long int var_1_36 = 1; [L46] double var_1_37 = 100.5; [L47] unsigned char var_1_40 = 0; [L48] unsigned char var_1_41 = 1; [L49] unsigned char var_1_42 = 1; [L50] unsigned char var_1_43 = 1; [L51] unsigned short int var_1_44 = 0; [L52] double var_1_46 = 1.75; [L53] unsigned short int last_1_var_1_8 = 8; [L54] unsigned char last_1_var_1_12 = 8; [L55] unsigned short int last_1_var_1_13 = 16; [L56] unsigned char last_1_var_1_17 = 0; [L57] unsigned short int last_1_var_1_25 = 2; [L187] isInitial = 1 [L188] FCALL initially() [L189] COND TRUE 1 [L190] CALL updateLastVariables() [L176] last_1_var_1_8 = var_1_8 [L177] last_1_var_1_12 = var_1_12 [L178] last_1_var_1_13 = var_1_13 [L179] last_1_var_1_17 = var_1_17 [L180] last_1_var_1_25 = var_1_25 [L190] RET updateLastVariables() [L191] CALL updateVariables() [L130] var_1_3 = __VERIFIER_nondet_char() [L131] CALL assume_abort_if_not(var_1_3 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_3 >= -127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L132] CALL assume_abort_if_not(var_1_3 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_3 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L133] var_1_4 = __VERIFIER_nondet_char() [L134] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L135] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L136] var_1_5 = __VERIFIER_nondet_char() [L137] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=32, var_1_7=32, var_1_8=8] [L138] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=32, var_1_7=32, var_1_8=8] [L139] var_1_6 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=32, var_1_8=8] [L141] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=32, var_1_8=8] [L142] var_1_7 = __VERIFIER_nondet_char() [L143] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L144] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L145] var_1_10 = __VERIFIER_nondet_ushort() [L146] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L147] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L148] var_1_16 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L150] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L151] var_1_18 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L153] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L154] var_1_20 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L156] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L157] var_1_21 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L159] var_1_22 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L161] var_1_23 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L163] var_1_24 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L165] var_1_41 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_41 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_41 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L167] CALL assume_abort_if_not(var_1_41 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_41 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L168] var_1_42 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_42 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_42 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L170] CALL assume_abort_if_not(var_1_42 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_42 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L171] var_1_43 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_43 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_43 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L173] CALL assume_abort_if_not(var_1_43 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_43 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=8] [L191] RET updateVariables() [L192] CALL step() [L61] COND FALSE !(var_1_17 && (var_1_5 > (var_1_7 / var_1_10))) [L66] COND TRUE var_1_5 < var_1_10 [L67] COND TRUE var_1_5 <= var_1_12 [L68] COND TRUE (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12))) * 5) < var_1_10 [L69] COND FALSE !(var_1_12 < var_1_20) [L75] var_1_34 = var_1_7 [L76] var_1_36 = var_1_12 [L77] var_1_37 = (var_1_23 + var_1_23) [L78] COND TRUE var_1_21 < var_1_24 [L79] var_1_40 = (! ((var_1_41 && var_1_42) && var_1_43)) [L81] EXPR 25 & var_1_6 [L81] COND FALSE !((25 & var_1_6) < (var_1_12 - 25)) [L86] EXPR var_1_13 ^ var_1_16 [L86] COND TRUE 5u < (var_1_13 ^ var_1_16) [L87] COND FALSE !(\read(var_1_18)) [L90] var_1_46 = var_1_23 [L95] COND TRUE (last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17 [L96] var_1_25 = (((((last_1_var_1_12) > (last_1_var_1_12)) ? (last_1_var_1_12) : (last_1_var_1_12))) + var_1_7) [L100] signed long int stepLocal_1 = last_1_var_1_13; [L101] COND TRUE last_1_var_1_13 == stepLocal_1 [L102] var_1_12 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L104] var_1_8 = (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12)) [L105] signed long int stepLocal_0 = -1000000; [L106] COND TRUE var_1_8 >= stepLocal_0 [L107] var_1_1 = ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) [L111] signed char stepLocal_3 = var_1_1; [L112] COND TRUE stepLocal_3 >= (var_1_5 - var_1_20) [L113] var_1_19 = (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24) [L115] COND TRUE ((((((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) < (last_1_var_1_8)) ? (((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) : (last_1_var_1_8))) > (var_1_3 * last_1_var_1_25) [L116] var_1_17 = var_1_18 [L118] unsigned short int stepLocal_2 = var_1_25; [L119] COND FALSE !(\read(var_1_17)) [L126] var_1_13 = (var_1_16 - var_1_10) [L192] RET step() [L193] CALL, EXPR property() [L183] EXPR ((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) [L183] EXPR var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))) [L183] EXPR ((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) [L183-L184] return (((((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))))) && ((((((((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) < (last_1_var_1_8)) ? (((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) : (last_1_var_1_8))) > (var_1_3 * last_1_var_1_25)) ? (var_1_17 == ((unsigned char) var_1_18)) : 1)) && ((var_1_1 >= (var_1_5 - var_1_20)) ? (var_1_19 == ((double) (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24))) : 1)) && (((last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17) ? (var_1_25 == ((unsigned short int) (((((last_1_var_1_12) > (last_1_var_1_12)) ? (last_1_var_1_12) : (last_1_var_1_12))) + var_1_7))) : (var_1_25 == ((unsigned short int) var_1_7))) ; [L193] RET, EXPR property() [L193] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=0, var_1_13=0, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=8, var_1_26=500, var_1_31=795/8, var_1_34=0, var_1_36=8, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=32798] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=0, var_1_13=0, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=8, var_1_26=500, var_1_31=795/8, var_1_34=0, var_1_36=8, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=4, var_1_4=0, var_1_5=0, var_1_6=31, var_1_7=0, var_1_8=32798] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:13:46,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 970538dd9083d93a461fb14f2c7c5ecaf35f3c2afcba98b5255f20442a223b33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:49,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:49,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:13:49,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:49,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:49,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:49,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:49,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:49,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:49,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:49,589 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:49,589 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:49,590 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:49,595 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:49,596 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:49,597 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:49,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:49,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:49,599 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:49,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:49,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:49,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:49,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:49,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:49,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:13:49,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:13:49,604 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:13:49,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:49,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:49,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:49,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:49,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:13:49,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:49,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:49,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:49,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:49,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:49,609 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:13:49,609 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:49,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:49,610 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:49,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:49,611 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_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970538dd9083d93a461fb14f2c7c5ecaf35f3c2afcba98b5255f20442a223b33 [2023-11-19 05:13:50,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:50,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:50,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:50,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:50,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:50,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-19 05:13:53,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:53,721 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:53,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-19 05:13:53,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/data/b6378b0be/368ddd48670b4724b9bdbbc4c89d1c59/FLAG384ae30b5 [2023-11-19 05:13:53,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/data/b6378b0be/368ddd48670b4724b9bdbbc4c89d1c59 [2023-11-19 05:13:53,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:53,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:53,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:53,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:53,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:53,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:53" (1/1) ... [2023-11-19 05:13:53,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f88cbe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:53, skipping insertion in model container [2023-11-19 05:13:53,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:53" (1/1) ... [2023-11-19 05:13:53,824 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:53,976 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_efa9b165-deaf-4623-9989-d32ab656ffe7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i[919,932] [2023-11-19 05:13:54,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:54,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:54,088 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_efa9b165-deaf-4623-9989-d32ab656ffe7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i[919,932] [2023-11-19 05:13:54,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:54,159 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:54,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54 WrapperNode [2023-11-19 05:13:54,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:54,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:54,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:54,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:54,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,226 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-19 05:13:54,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:54,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:54,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:54,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:54,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:54,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:54,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:54,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:54,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:54,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:54,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:54,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:13:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:54,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:54,514 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:54,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:56,654 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:56,672 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:56,678 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:56,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:56 BoogieIcfgContainer [2023-11-19 05:13:56,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:56,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:56,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:56,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:56,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:53" (1/3) ... [2023-11-19 05:13:56,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5601eb0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:56, skipping insertion in model container [2023-11-19 05:13:56,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (2/3) ... [2023-11-19 05:13:56,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5601eb0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:56, skipping insertion in model container [2023-11-19 05:13:56,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:56" (3/3) ... [2023-11-19 05:13:56,705 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-19 05:13:56,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:56,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:56,795 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:56,802 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;@356ea78d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:56,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 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) [2023-11-19 05:13:56,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 05:13:56,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:56,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:56,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:56,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:56,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1840275810, now seen corresponding path program 1 times [2023-11-19 05:13:56,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:56,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348761013] [2023-11-19 05:13:56,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:56,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:56,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:56,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:13:56,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:13:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:57,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:13:57,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-19 05:13:57,483 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:57,484 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:57,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348761013] [2023-11-19 05:13:57,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348761013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:57,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:57,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:13:57,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456612959] [2023-11-19 05:13:57,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:57,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:13:57,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:57,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:13:57,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:13:57,533 INFO L87 Difference]: Start difference. First operand has 86 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 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 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2023-11-19 05:13:57,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:57,577 INFO L93 Difference]: Finished difference Result 165 states and 290 transitions. [2023-11-19 05:13:57,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:13:57,580 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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 181 [2023-11-19 05:13:57,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:57,590 INFO L225 Difference]: With dead ends: 165 [2023-11-19 05:13:57,590 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 05:13:57,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:13:57,599 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:57,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:13:57,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 05:13:57,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-19 05:13:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 52 states have internal predecessors, (71), 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) [2023-11-19 05:13:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 127 transitions. [2023-11-19 05:13:57,657 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 127 transitions. Word has length 181 [2023-11-19 05:13:57,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:57,658 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 127 transitions. [2023-11-19 05:13:57,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2023-11-19 05:13:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2023-11-19 05:13:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 05:13:57,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:57,665 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:57,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:57,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:57,876 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:57,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:57,877 INFO L85 PathProgramCache]: Analyzing trace with hash -250683286, now seen corresponding path program 1 times [2023-11-19 05:13:57,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:57,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062911870] [2023-11-19 05:13:57,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:57,891 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:57,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:57,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:13:57,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:13:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:58,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:13:58,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 771 proven. 45 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-19 05:14:00,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:00,626 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:00,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062911870] [2023-11-19 05:14:00,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062911870] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:00,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1056127398] [2023-11-19 05:14:00,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:00,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:00,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:14:00,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:14:00,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:14:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:02,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:14:02,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 727 proven. 51 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2023-11-19 05:14:02,591 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:02,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1056127398] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:02,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925065442] [2023-11-19 05:14:02,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:02,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:02,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:02,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:02,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:14:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:02,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:14:02,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 727 proven. 51 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2023-11-19 05:14:03,445 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:03,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925065442] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:03,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:14:03,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-19 05:14:03,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231334353] [2023-11-19 05:14:03,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 05:14:03,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 05:14:03,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:03,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 05:14:03,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:14:03,487 INFO L87 Difference]: Start difference. First operand 82 states and 127 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2023-11-19 05:14:06,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:06,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:06,965 INFO L93 Difference]: Finished difference Result 250 states and 382 transitions. [2023-11-19 05:14:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-19 05:14:06,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 181 [2023-11-19 05:14:06,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:06,984 INFO L225 Difference]: With dead ends: 250 [2023-11-19 05:14:06,986 INFO L226 Difference]: Without dead ends: 171 [2023-11-19 05:14:06,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2023-11-19 05:14:06,995 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 164 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:06,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 404 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-19 05:14:07,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-19 05:14:07,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2023-11-19 05:14:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 93 states have (on average 1.2580645161290323) internal successors, (117), 93 states have internal predecessors, (117), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-19 05:14:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 229 transitions. [2023-11-19 05:14:07,086 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 229 transitions. Word has length 181 [2023-11-19 05:14:07,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:07,089 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 229 transitions. [2023-11-19 05:14:07,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2023-11-19 05:14:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 229 transitions. [2023-11-19 05:14:07,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 05:14:07,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:07,102 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:07,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:07,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:07,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:07,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:07,713 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:07,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:07,714 INFO L85 PathProgramCache]: Analyzing trace with hash 888301245, now seen corresponding path program 1 times [2023-11-19 05:14:07,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:07,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768882790] [2023-11-19 05:14:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:07,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:07,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:07,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:07,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:14:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:08,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:14:08,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 777 proven. 36 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-11-19 05:14:08,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:14:09,055 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:09,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768882790] [2023-11-19 05:14:09,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768882790] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:09,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1741386397] [2023-11-19 05:14:09,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:09,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:09,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:14:09,061 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:14:09,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 05:14:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:09,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:14:09,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-19 05:14:09,835 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:09,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1741386397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:09,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:14:09,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 9 [2023-11-19 05:14:09,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513970112] [2023-11-19 05:14:09,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:09,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:14:09,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:09,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:14:09,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:14:09,839 INFO L87 Difference]: Start difference. First operand 155 states and 229 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2023-11-19 05:14:11,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:12,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:13,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:13,416 INFO L93 Difference]: Finished difference Result 432 states and 635 transitions. [2023-11-19 05:14:13,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:14:13,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 183 [2023-11-19 05:14:13,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:13,425 INFO L225 Difference]: With dead ends: 432 [2023-11-19 05:14:13,425 INFO L226 Difference]: Without dead ends: 340 [2023-11-19 05:14:13,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:14:13,428 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 207 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:13,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 643 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-19 05:14:13,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-11-19 05:14:13,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 332. [2023-11-19 05:14:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 208 states have (on average 1.2644230769230769) internal successors, (263), 210 states have internal predecessors, (263), 112 states have call successors, (112), 11 states have call predecessors, (112), 11 states have return successors, (112), 110 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-19 05:14:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 487 transitions. [2023-11-19 05:14:13,512 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 487 transitions. Word has length 183 [2023-11-19 05:14:13,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:13,513 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 487 transitions. [2023-11-19 05:14:13,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2023-11-19 05:14:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 487 transitions. [2023-11-19 05:14:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 05:14:13,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:13,523 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:13,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:13,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-19 05:14:13,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:13,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:13,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:13,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1631658689, now seen corresponding path program 1 times [2023-11-19 05:14:13,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:13,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16665698] [2023-11-19 05:14:13,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:13,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:13,935 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:13,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 05:14:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:14,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:14:14,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 777 proven. 36 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-11-19 05:14:14,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:14:15,255 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:15,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16665698] [2023-11-19 05:14:15,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16665698] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:15,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1023609738] [2023-11-19 05:14:15,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:15,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:15,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:14:15,261 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:14:15,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 05:14:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:16,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:14:16,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 777 proven. 36 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-11-19 05:14:17,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:14:17,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1023609738] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:17,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855142632] [2023-11-19 05:14:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:17,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:17,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:17,450 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:17,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 05:14:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:17,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:14:17,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 777 proven. 36 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-11-19 05:14:18,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:14:18,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855142632] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:18,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:14:18,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-19 05:14:18,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601863184] [2023-11-19 05:14:18,530 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:14:18,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:14:18,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:18,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:14:18,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:14:18,534 INFO L87 Difference]: Start difference. First operand 332 states and 487 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-11-19 05:14:20,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:20,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:20,800 INFO L93 Difference]: Finished difference Result 518 states and 751 transitions. [2023-11-19 05:14:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:14:20,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 183 [2023-11-19 05:14:20,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:20,825 INFO L225 Difference]: With dead ends: 518 [2023-11-19 05:14:20,825 INFO L226 Difference]: Without dead ends: 267 [2023-11-19 05:14:20,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1096 GetRequests, 1084 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:14:20,833 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 158 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:20,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 213 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 05:14:20,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-11-19 05:14:20,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 255. [2023-11-19 05:14:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 160 states have (on average 1.24375) internal successors, (199), 160 states have internal predecessors, (199), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-19 05:14:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 367 transitions. [2023-11-19 05:14:20,900 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 367 transitions. Word has length 183 [2023-11-19 05:14:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:20,901 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 367 transitions. [2023-11-19 05:14:20,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-11-19 05:14:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 367 transitions. [2023-11-19 05:14:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 05:14:20,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:20,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:20,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:21,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-19 05:14:21,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:21,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:21,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:21,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:21,519 INFO L85 PathProgramCache]: Analyzing trace with hash -391562433, now seen corresponding path program 1 times [2023-11-19 05:14:21,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:21,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717403670] [2023-11-19 05:14:21,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:21,520 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:21,522 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:21,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efa9b165-deaf-4623-9989-d32ab656ffe7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-19 05:14:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:22,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 05:14:22,018 INFO L285 TraceCheckSpWp]: Computing forward predicates...