./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.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_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/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_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/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_661ffc98-20f1-4068-8138-cc0d3d25e86b/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 ecd103fdd986cd4e198f29f9a4fd8c8b618c02229465db0115feecc5bfedb46a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:29,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:29,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:54:29,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:29,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:29,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:29,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:29,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:29,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:29,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:29,904 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:29,904 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:29,905 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:29,905 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:54:29,906 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:29,906 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:29,907 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:54:29,907 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:54:29,908 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:29,908 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:54:29,909 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:54:29,909 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:54:29,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:29,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:54:29,911 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:54:29,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:54:29,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:54:29,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:29,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:54:29,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:29,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:54:29,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:54:29,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:54:29,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:29,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:29,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:29,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:29,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:29,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:29,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:54:29,936 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:54:29,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:54:29,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:54:29,937 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:29,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:29,937 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_661ffc98-20f1-4068-8138-cc0d3d25e86b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecd103fdd986cd4e198f29f9a4fd8c8b618c02229465db0115feecc5bfedb46a [2023-11-19 04:54:30,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:30,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:30,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:30,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:30,216 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:30,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i [2023-11-19 04:54:33,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:54:33,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:54:33,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i [2023-11-19 04:54:33,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/data/bca55dc52/2c32b39fe1c649899a901f75881fedb9/FLAG3a2c86bd0 [2023-11-19 04:54:33,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/data/bca55dc52/2c32b39fe1c649899a901f75881fedb9 [2023-11-19 04:54:33,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:54:33,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:54:33,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:33,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:54:33,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:54:33,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:33" (1/1) ... [2023-11-19 04:54:33,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8e6b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:33, skipping insertion in model container [2023-11-19 04:54:33,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:33" (1/1) ... [2023-11-19 04:54:33,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:54:33,866 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_661ffc98-20f1-4068-8138-cc0d3d25e86b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i[913,926] [2023-11-19 04:54:33,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:33,947 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:54:33,958 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_661ffc98-20f1-4068-8138-cc0d3d25e86b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i[913,926] [2023-11-19 04:54:34,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:34,036 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:54:34,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34 WrapperNode [2023-11-19 04:54:34,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:34,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:34,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:54:34,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:54:34,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,114 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-19 04:54:34,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:34,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:54:34,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:54:34,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:54:34,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:54:34,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:54:34,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:54:34,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:54:34,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (1/1) ... [2023-11-19 04:54:34,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:34,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:54:34,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:54:34,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:54:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:54:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:54:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:54:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:54:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:54:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:54:34,420 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:54:34,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:54:34,851 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:54:35,186 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:54:35,187 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:54:35,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:35 BoogieIcfgContainer [2023-11-19 04:54:35,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:54:35,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:54:35,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:54:35,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:54:35,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:54:33" (1/3) ... [2023-11-19 04:54:35,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a487363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:35, skipping insertion in model container [2023-11-19 04:54:35,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:34" (2/3) ... [2023-11-19 04:54:35,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a487363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:35, skipping insertion in model container [2023-11-19 04:54:35,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:35" (3/3) ... [2023-11-19 04:54:35,204 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-43.i [2023-11-19 04:54:35,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:54:35,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:54:35,273 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:54:35,280 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;@d4081e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:54:35,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:54:35,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:54:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:54:35,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:35,312 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:35,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:35,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:35,317 INFO L85 PathProgramCache]: Analyzing trace with hash -143102656, now seen corresponding path program 1 times [2023-11-19 04:54:35,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:35,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371949727] [2023-11-19 04:54:35,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:54:36,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:54:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:54:36,413 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:54:36,417 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:54:36,418 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:54:36,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:54:36,427 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:54:36,434 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:54:36,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:54:36 BoogieIcfgContainer [2023-11-19 04:54:36,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:54:36,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:54:36,576 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:54:36,577 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:54:36,577 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:35" (3/4) ... [2023-11-19 04:54:36,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:54:36,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:54:36,584 INFO L158 Benchmark]: Toolchain (without parser) took 2934.87ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 97.9MB in the beginning and 127.3MB in the end (delta: -29.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-19 04:54:36,584 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:54:36,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.14ms. Allocated memory is still 127.9MB. Free memory was 97.5MB in the beginning and 83.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:54:36,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.61ms. Allocated memory is still 127.9MB. Free memory was 83.6MB in the beginning and 80.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:54:36,589 INFO L158 Benchmark]: Boogie Preprocessor took 68.97ms. Allocated memory is still 127.9MB. Free memory was 80.3MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:54:36,593 INFO L158 Benchmark]: RCFGBuilder took 999.14ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 78.6MB in the beginning and 133.7MB in the end (delta: -55.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-19 04:54:36,595 INFO L158 Benchmark]: TraceAbstraction took 1378.40ms. Allocated memory is still 184.5MB. Free memory was 132.8MB in the beginning and 128.4MB in the end (delta: 4.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 04:54:36,595 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 127.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:54:36,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.14ms. Allocated memory is still 127.9MB. Free memory was 97.5MB in the beginning and 83.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.61ms. Allocated memory is still 127.9MB. Free memory was 83.6MB in the beginning and 80.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.97ms. Allocated memory is still 127.9MB. Free memory was 80.3MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 999.14ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 78.6MB in the beginning and 133.7MB in the end (delta: -55.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1378.40ms. Allocated memory is still 184.5MB. Free memory was 132.8MB in the beginning and 128.4MB in the end (delta: 4.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 127.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of bitwiseAnd at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 1000.6; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 10.4; [L25] float var_1_4 = 31.4; [L26] double var_1_5 = 7.75; [L27] double var_1_6 = 63.1; [L28] signed char var_1_7 = 32; [L29] signed char var_1_10 = 64; [L30] signed short int var_1_11 = 5; [L31] unsigned short int var_1_12 = 4; [L32] unsigned char var_1_13 = 1; [L33] unsigned short int var_1_14 = 49632; [L34] unsigned short int var_1_15 = 0; [L35] signed char var_1_16 = 50; [L36] signed char var_1_18 = 2; [L37] signed char var_1_19 = 25; [L38] signed char var_1_20 = 10; [L39] signed char var_1_21 = 1; [L40] signed char var_1_22 = 8; [L41] unsigned long int var_1_23 = 25; [L42] unsigned short int var_1_24 = 32; [L43] signed long int var_1_26 = 50; [L44] signed char last_1_var_1_7 = 32; [L45] signed short int last_1_var_1_11 = 5; [L46] signed long int last_1_var_1_26 = 50; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] CALL updateLastVariables() [L131] last_1_var_1_7 = var_1_7 [L132] last_1_var_1_11 = var_1_11 [L133] last_1_var_1_26 = var_1_26 [L143] RET updateLastVariables() [L144] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=52/5, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=52/5, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L90] var_1_3 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=157/5, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L92] var_1_4 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L94] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=31/4, var_1_6=631/10, var_1_7=32] [L95] var_1_5 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=631/10, var_1_7=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=631/10, var_1_7=32] [L97] var_1_6 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=64, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L99] var_1_10 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L101] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L102] var_1_13 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L104] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=49632, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L105] var_1_14 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L107] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=0, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L108] var_1_15 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L110] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=2, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L111] var_1_18 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L113] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=25, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L114] var_1_19 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L116] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=10, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L117] var_1_20 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_20 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_20 >= -63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L119] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=1, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L120] var_1_21 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L122] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=8, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L123] var_1_22 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L125] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=25, var_1_24=32, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L126] var_1_24 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=25, var_1_24=32643, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=25, var_1_24=32643, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L128] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=25, var_1_24=32643, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=5, var_1_12=4, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=50, var_1_18=-62, var_1_19=-63, var_1_1=5003/5, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=25, var_1_24=32643, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L144] RET updateVariables() [L145] CALL step() [L50] COND TRUE (- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4)) [L51] var_1_1 = ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) [L55] COND TRUE var_1_1 > var_1_4 [L56] var_1_11 = var_1_10 [L60] COND TRUE \read(var_1_13) [L61] var_1_12 = (var_1_14 - var_1_15) [L63] signed char stepLocal_0 = var_1_20; [L64] COND TRUE var_1_1 <= (((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))) + var_1_1) [L65] var_1_16 = ((((var_1_10) < ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20))) ? (var_1_10) : ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20)))) [L73] COND FALSE !((- (var_1_14 - var_1_24)) < var_1_10) [L76] var_1_23 = ((((var_1_14) < (var_1_12)) ? (var_1_14) : (var_1_12))) [L78] COND TRUE var_1_6 != 49.125 [L79] COND FALSE !(((((64u) < 0 ) ? -(64u) : (64u))) < last_1_var_1_26) [L83] EXPR var_1_12 & last_1_var_1_7 [L83] COND FALSE !(-4 > (var_1_12 & last_1_var_1_7)) [L145] RET step() [L146] CALL, EXPR property() [L136] EXPR (((- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4))) ? (var_1_1 == ((double) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : (var_1_1 == ((double) var_1_5))) && ((-4 > (var_1_12 & last_1_var_1_7)) ? (var_1_7 == ((signed char) var_1_10)) : 1) [L136-L137] return ((((((((- 1000.5f) != (var_1_2 * (var_1_3 / var_1_4))) ? (var_1_1 == ((double) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : (var_1_1 == ((double) var_1_5))) && ((-4 > (var_1_12 & last_1_var_1_7)) ? (var_1_7 == ((signed char) var_1_10)) : 1)) && ((var_1_1 > var_1_4) ? (var_1_11 == ((signed short int) var_1_10)) : (var_1_11 == ((signed short int) ((((last_1_var_1_11) < (((16 - 32) + (64 + var_1_10)))) ? (last_1_var_1_11) : (((16 - 32) + (64 + var_1_10))))))))) && (var_1_13 ? (var_1_12 == ((unsigned short int) (var_1_14 - var_1_15))) : 1)) && ((var_1_1 <= (((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))) + var_1_1)) ? (var_1_16 == ((signed char) ((((var_1_10) < ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20))) ? (var_1_10) : ((((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + var_1_20)))))) : ((var_1_19 < var_1_20) ? (var_1_16 == ((signed char) (var_1_21 - var_1_22))) : (var_1_16 == ((signed char) var_1_10))))) && (((- (var_1_14 - var_1_24)) < var_1_10) ? (var_1_23 == ((unsigned long int) (var_1_24 + (var_1_22 + 4u)))) : (var_1_23 == ((unsigned long int) ((((var_1_14) < (var_1_12)) ? (var_1_14) : (var_1_12))))))) && ((var_1_6 != 49.125) ? ((((((64u) < 0 ) ? -(64u) : (64u))) < last_1_var_1_26) ? (var_1_26 == ((signed long int) var_1_15)) : 1) : 1) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=-124, var_1_12=0, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=-125, var_1_18=-62, var_1_19=-63, var_1_1=98185, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=0, var_1_24=32643, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=5, last_1_var_1_26=50, last_1_var_1_7=32, var_1_10=-124, var_1_11=-124, var_1_12=0, var_1_13=1, var_1_14=32767, var_1_15=32767, var_1_16=-125, var_1_18=-62, var_1_19=-63, var_1_1=98185, var_1_20=-62, var_1_21=126, var_1_22=122, var_1_23=0, var_1_24=32643, var_1_26=50, var_1_3=98184, var_1_4=98186, var_1_5=98185, var_1_6=98185, var_1_7=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:54:36,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/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_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/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_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/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_661ffc98-20f1-4068-8138-cc0d3d25e86b/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 ecd103fdd986cd4e198f29f9a4fd8c8b618c02229465db0115feecc5bfedb46a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:39,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:39,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:54:39,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:39,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:39,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:39,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:39,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:39,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:39,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:39,325 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:39,325 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:39,326 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:39,326 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:39,327 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:39,328 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:39,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:39,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:54:39,330 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:54:39,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:54:39,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:39,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:54:39,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:39,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:54:39,334 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:54:39,334 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:54:39,335 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:54:39,335 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:54:39,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:54:39,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:39,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:39,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:54:39,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:39,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:39,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:39,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:39,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:54:39,339 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:54:39,340 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:54:39,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:54:39,340 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:39,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:39,341 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_661ffc98-20f1-4068-8138-cc0d3d25e86b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecd103fdd986cd4e198f29f9a4fd8c8b618c02229465db0115feecc5bfedb46a [2023-11-19 04:54:39,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:39,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:39,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:39,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:39,784 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:39,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i [2023-11-19 04:54:42,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:54:43,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:54:43,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i [2023-11-19 04:54:43,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/data/4a0579591/328911f84cb94d34aba0f651da610e9d/FLAGad92fdf07 [2023-11-19 04:54:43,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/data/4a0579591/328911f84cb94d34aba0f651da610e9d [2023-11-19 04:54:43,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:54:43,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:54:43,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:43,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:54:43,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:54:43,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369d7b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43, skipping insertion in model container [2023-11-19 04:54:43,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:54:43,551 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_661ffc98-20f1-4068-8138-cc0d3d25e86b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i[913,926] [2023-11-19 04:54:43,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:43,664 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:54:43,681 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_661ffc98-20f1-4068-8138-cc0d3d25e86b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-43.i[913,926] [2023-11-19 04:54:43,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:43,764 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:54:43,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43 WrapperNode [2023-11-19 04:54:43,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:43,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:43,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:54:43,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:54:43,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,845 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-11-19 04:54:43,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:43,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:54:43,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:54:43,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:54:43,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:54:43,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:54:43,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:54:43,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:54:43,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:43,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:54:43,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:54:43,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:54:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:54:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:54:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:54:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:54:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:54:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:54:44,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:54:44,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:54:50,372 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:54:50,394 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:54:50,394 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:54:50,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:50 BoogieIcfgContainer [2023-11-19 04:54:50,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:54:50,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:54:50,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:54:50,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:54:50,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:54:43" (1/3) ... [2023-11-19 04:54:50,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4e8f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:50, skipping insertion in model container [2023-11-19 04:54:50,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (2/3) ... [2023-11-19 04:54:50,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4e8f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:50, skipping insertion in model container [2023-11-19 04:54:50,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:50" (3/3) ... [2023-11-19 04:54:50,408 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-43.i [2023-11-19 04:54:50,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:54:50,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:54:50,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:54:50,503 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;@2982dce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:54:50,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:54:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:54:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-19 04:54:50,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:50,545 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:50,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:50,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash 630679338, now seen corresponding path program 1 times [2023-11-19 04:54:50,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:54:50,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916075278] [2023-11-19 04:54:50,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:50,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:54:50,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:54:50,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:54:50,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:54:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:51,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:54:51,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:54:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2023-11-19 04:54:51,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:54:51,439 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:54:51,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916075278] [2023-11-19 04:54:51,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916075278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:51,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:51,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:54:51,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144023604] [2023-11-19 04:54:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:51,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:54:51,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:54:51,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:54:51,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:54:51,496 INFO L87 Difference]: Start difference. First operand has 70 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 04:54:51,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:51,540 INFO L93 Difference]: Finished difference Result 133 states and 234 transitions. [2023-11-19 04:54:51,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:54:51,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2023-11-19 04:54:51,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:51,553 INFO L225 Difference]: With dead ends: 133 [2023-11-19 04:54:51,554 INFO L226 Difference]: Without dead ends: 66 [2023-11-19 04:54:51,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:54:51,561 INFO L413 NwaCegarLoop]: 99 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, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:51,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:54:51,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-19 04:54:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-19 04:54:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:54:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2023-11-19 04:54:51,622 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 162 [2023-11-19 04:54:51,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:51,623 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2023-11-19 04:54:51,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 04:54:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2023-11-19 04:54:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-19 04:54:51,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:51,627 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:51,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/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 04:54:51,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:54:51,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:51,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:51,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1370585452, now seen corresponding path program 1 times [2023-11-19 04:54:51,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:54:51,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288862984] [2023-11-19 04:54:51,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:51,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:54:51,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:54:51,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:54:51,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ffc98-20f1-4068-8138-cc0d3d25e86b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:54:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:52,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:54:52,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:33,335 WARN L293 SmtUtils]: Spent 13.49s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)