./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea47bb0050149eccadb69630e06c0319f913c75b08e9058f28d8d379ef84ce69 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:56,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:56,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:56:56,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:56,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:56,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:56,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:56,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:56,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:56,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:56,640 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:56,642 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:56,642 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:56,644 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:56:56,644 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:56,645 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:56,645 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:56:56,646 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:56:56,646 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:56,647 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:56:56,649 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:56:56,649 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:56:56,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:56,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:56,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:56:56,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:56:56,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:56:56,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:56,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:56,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:56,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:56,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:56:56,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:56,656 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:56,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:56,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:56,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:56,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:56,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:56,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:56,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:56,659 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:56:56,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:56:56,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:56,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:56,660 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:56,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:56,661 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_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea47bb0050149eccadb69630e06c0319f913c75b08e9058f28d8d379ef84ce69 [2023-11-24 23:56:56,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:57,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:57,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:57,024 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:57,025 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:57,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i [2023-11-24 23:57:00,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:00,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:00,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i [2023-11-24 23:57:00,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/data/603e28069/1942de10ff3945e78ca6d026c8d1469c/FLAG3c98e2666 [2023-11-24 23:57:00,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/data/603e28069/1942de10ff3945e78ca6d026c8d1469c [2023-11-24 23:57:00,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:00,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:00,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:00,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:00,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:00,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:00" (1/1) ... [2023-11-24 23:57:00,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1092cbf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:00, skipping insertion in model container [2023-11-24 23:57:00,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:00" (1/1) ... [2023-11-24 23:57:00,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:00,947 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_f83164c7-4841-4519-95e6-b32fd4f4ef66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i[915,928] [2023-11-24 23:57:01,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:01,073 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:01,087 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_f83164c7-4841-4519-95e6-b32fd4f4ef66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i[915,928] [2023-11-24 23:57:01,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:01,146 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:01,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01 WrapperNode [2023-11-24 23:57:01,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:01,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:01,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:01,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:01,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,209 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-24 23:57:01,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:01,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:01,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:01,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:01,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:01,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:01,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:01,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:01,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:01,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:01,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:01,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:01,429 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:01,431 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:01,887 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:02,101 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:02,101 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:02,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:02 BoogieIcfgContainer [2023-11-24 23:57:02,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:02,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:02,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:02,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:02,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:00" (1/3) ... [2023-11-24 23:57:02,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4e8e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:02, skipping insertion in model container [2023-11-24 23:57:02,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (2/3) ... [2023-11-24 23:57:02,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4e8e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:02, skipping insertion in model container [2023-11-24 23:57:02,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:02" (3/3) ... [2023-11-24 23:57:02,114 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-38.i [2023-11-24 23:57:02,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:02,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:02,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:02,198 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;@7d828952, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:02,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-24 23:57:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-24 23:57:02,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:02,218 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:02,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:02,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash -22647232, now seen corresponding path program 1 times [2023-11-24 23:57:02,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:02,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221296949] [2023-11-24 23:57:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:02,435 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:57:02,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1207252499] [2023-11-24 23:57:02,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:02,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:02,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:02,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:02,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:57:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:02,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:02,999 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:03,001 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:03,002 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:57:03,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:03,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:57:03,218 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:57:03,223 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:03,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:03 BoogieIcfgContainer [2023-11-24 23:57:03,344 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:03,345 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:03,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:03,346 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:03,346 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:02" (3/4) ... [2023-11-24 23:57:03,349 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:57:03,350 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:03,351 INFO L158 Benchmark]: Toolchain (without parser) took 2674.42ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 98.4MB in the beginning and 141.1MB in the end (delta: -42.7MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:03,352 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:03,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.41ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 84.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:03,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.34ms. Allocated memory is still 144.7MB. Free memory was 84.2MB in the beginning and 81.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:03,355 INFO L158 Benchmark]: Boogie Preprocessor took 37.65ms. Allocated memory is still 144.7MB. Free memory was 81.6MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:03,355 INFO L158 Benchmark]: RCFGBuilder took 854.79ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 79.6MB in the beginning and 130.9MB in the end (delta: -51.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:03,356 INFO L158 Benchmark]: TraceAbstraction took 1238.00ms. Allocated memory is still 190.8MB. Free memory was 130.0MB in the beginning and 141.1MB in the end (delta: -11.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:03,357 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 190.8MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:03,361 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.41ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 84.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.34ms. Allocated memory is still 144.7MB. Free memory was 84.2MB in the beginning and 81.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.65ms. Allocated memory is still 144.7MB. Free memory was 81.6MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 854.79ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 79.6MB in the beginning and 130.9MB in the end (delta: -51.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1238.00ms. Allocated memory is still 190.8MB. Free memory was 130.0MB in the beginning and 141.1MB in the end (delta: -11.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 190.8MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 146, overapproximation of shiftRight at line 63, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 0; [L26] unsigned short int var_1_8 = 4; [L27] signed long int var_1_11 = 100; [L28] signed long int var_1_12 = 8; [L29] unsigned short int var_1_13 = 128; [L30] double var_1_14 = 64.5; [L31] signed short int var_1_15 = 4; [L32] signed long int var_1_16 = -8; [L33] double var_1_17 = 255.5; [L34] double var_1_18 = 0.6; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 999999.25; [L37] signed short int var_1_21 = -64; [L38] signed char var_1_25 = -128; [L39] signed char var_1_26 = -8; [L40] unsigned char var_1_27 = 32; [L41] unsigned char var_1_28 = 64; [L42] unsigned char var_1_29 = 0; [L43] signed long int var_1_30 = 256; [L44] unsigned short int var_1_31 = 10; [L45] float var_1_32 = -0.4; [L46] float var_1_33 = 255.8; [L47] double var_1_34 = 9.875; [L48] signed short int var_1_35 = 2; [L49] unsigned short int last_1_var_1_8 = 4; [L50] signed short int last_1_var_1_21 = -64; [L51] signed char last_1_var_1_25 = -128; [L158] isInitial = 1 [L159] FCALL initially() [L160] COND TRUE 1 [L161] CALL updateLastVariables() [L149] last_1_var_1_8 = var_1_8 [L150] last_1_var_1_21 = var_1_21 [L151] last_1_var_1_25 = var_1_25 [L161] RET updateLastVariables() [L162] CALL updateVariables() [L105] var_1_4 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L107] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L108] var_1_6 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_7=0, var_1_8=4] [L110] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L111] var_1_11 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L113] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L114] var_1_12 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L116] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L117] var_1_13 = __VERIFIER_nondet_ushort() [L118] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L119] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L120] var_1_15 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L122] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L123] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L124] var_1_16 = __VERIFIER_nondet_long() [L125] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L126] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L127] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L128] var_1_17 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L130] var_1_18 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L132] var_1_19 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L134] var_1_20 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L136] var_1_26 = __VERIFIER_nondet_char() [L137] CALL assume_abort_if_not(var_1_26 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_26 >= -127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L138] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=64, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L139] var_1_28 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L141] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=0, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=0, var_1_29=0, var_1_30=256, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L142] var_1_30 = __VERIFIER_nondet_long() [L143] CALL assume_abort_if_not(var_1_30 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=0, var_1_29=0, var_1_30=2147483647, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_30 >= -2147483648) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=0, var_1_29=0, var_1_30=2147483647, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L144] CALL assume_abort_if_not(var_1_30 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=0, var_1_29=0, var_1_30=2147483647, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_30 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=0, var_1_29=0, var_1_30=2147483647, var_1_31=10, var_1_33=1279/5, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L145] var_1_33 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=0, var_1_29=0, var_1_30=2147483647, var_1_31=10, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=129/2, var_1_15=1, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=126, var_1_27=32, var_1_28=0, var_1_29=0, var_1_30=2147483647, var_1_31=10, var_1_34=79/8, var_1_35=2, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L162] RET updateVariables() [L163] CALL step() [L55] var_1_27 = var_1_28 [L56] COND TRUE (var_1_27 + var_1_28) < ((((var_1_30) < (128)) ? (var_1_30) : (128))) [L57] var_1_29 = var_1_28 [L59] var_1_31 = var_1_28 [L60] var_1_32 = var_1_33 [L61] var_1_34 = var_1_33 [L62] var_1_35 = var_1_27 [L63] EXPR last_1_var_1_8 >> var_1_15 [L63] COND FALSE !((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) [L66] var_1_21 = last_1_var_1_25 [L68] signed long int stepLocal_1 = ((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12; [L69] signed long int stepLocal_0 = last_1_var_1_21 + last_1_var_1_21; [L70] COND FALSE !((last_1_var_1_21 * last_1_var_1_21) < stepLocal_1) [L75] var_1_8 = var_1_13 [L77] COND TRUE ! (var_1_21 > var_1_8) [L78] COND TRUE \read(var_1_4) [L79] var_1_25 = var_1_26 [L82] COND FALSE !((8 / var_1_15) < (64 / var_1_16)) [L89] var_1_14 = var_1_18 [L91] COND TRUE (- var_1_14) <= var_1_14 [L92] var_1_1 = var_1_4 [L100] COND TRUE var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14)))) [L101] var_1_7 = (var_1_1 && (! 1)) [L163] RET step() [L164] CALL, EXPR property() [L154] EXPR ((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25))) [L154-L155] return (((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25)))) && ((! (var_1_21 > var_1_8)) ? (var_1_4 ? (var_1_25 == ((signed char) var_1_26)) : 1) : 1) ; [L164] RET, EXPR property() [L164] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=3, var_1_15=1, var_1_16=32, var_1_18=3, var_1_1=1, var_1_21=-128, var_1_25=126, var_1_26=126, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=2147483647, var_1_31=0, var_1_32=2, var_1_33=2, var_1_34=2, var_1_35=0, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=65534] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=65534, var_1_14=3, var_1_15=1, var_1_16=32, var_1_18=3, var_1_1=1, var_1_21=-128, var_1_25=126, var_1_26=126, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=2147483647, var_1_31=0, var_1_32=2, var_1_33=2, var_1_34=2, var_1_35=0, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=65534] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:57:03,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea47bb0050149eccadb69630e06c0319f913c75b08e9058f28d8d379ef84ce69 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:06,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:06,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:57:06,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:06,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:06,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:06,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:06,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:06,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:06,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:06,388 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:06,388 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:06,389 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:06,391 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:06,391 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:06,392 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:06,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:06,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:06,394 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:06,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:06,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:06,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:06,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:06,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:06,397 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:57:06,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:57:06,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:57:06,399 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:06,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:06,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:06,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:06,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:57:06,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:06,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:06,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:06,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:06,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:06,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:06,404 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:57:06,405 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:06,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:06,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:06,406 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:06,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:06,406 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_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea47bb0050149eccadb69630e06c0319f913c75b08e9058f28d8d379ef84ce69 [2023-11-24 23:57:06,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:06,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:06,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:06,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:06,835 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:06,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i [2023-11-24 23:57:10,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:10,335 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:10,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i [2023-11-24 23:57:10,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/data/e1e145429/ad5af61630894fcfaaa1835b68e7eca1/FLAGb54cb414d [2023-11-24 23:57:10,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/data/e1e145429/ad5af61630894fcfaaa1835b68e7eca1 [2023-11-24 23:57:10,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:10,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:10,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:10,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:10,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:10,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127c6442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10, skipping insertion in model container [2023-11-24 23:57:10,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,422 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:10,604 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_f83164c7-4841-4519-95e6-b32fd4f4ef66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i[915,928] [2023-11-24 23:57:10,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:10,705 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:10,726 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_f83164c7-4841-4519-95e6-b32fd4f4ef66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i[915,928] [2023-11-24 23:57:10,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:10,823 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:10,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10 WrapperNode [2023-11-24 23:57:10,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:10,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:10,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:10,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:10,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,921 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-24 23:57:10,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:10,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:10,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:10,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:10,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:10,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:11,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:11,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:11,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:11,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:11,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:11,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:11,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (1/1) ... [2023-11-24 23:57:11,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:11,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:11,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:11,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:57:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:11,327 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:11,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:15,766 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:15,849 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:15,850 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:15,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:15 BoogieIcfgContainer [2023-11-24 23:57:15,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:15,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:15,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:15,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:15,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:10" (1/3) ... [2023-11-24 23:57:15,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af34543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:15, skipping insertion in model container [2023-11-24 23:57:15,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:10" (2/3) ... [2023-11-24 23:57:15,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af34543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:15, skipping insertion in model container [2023-11-24 23:57:15,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:15" (3/3) ... [2023-11-24 23:57:15,864 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-38.i [2023-11-24 23:57:15,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:15,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:15,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:15,951 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;@7a0af1ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:15,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-24 23:57:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-24 23:57:15,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:15,975 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:15,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:15,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:15,981 INFO L85 PathProgramCache]: Analyzing trace with hash -165172690, now seen corresponding path program 1 times [2023-11-24 23:57:15,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:15,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248346980] [2023-11-24 23:57:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:15,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:15,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:16,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:16,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:57:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:16,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:57:16,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked. [2023-11-24 23:57:16,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:16,756 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:16,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248346980] [2023-11-24 23:57:16,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1248346980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:16,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:16,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:57:16,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130366568] [2023-11-24 23:57:16,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:16,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:57:16,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:16,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:57:16,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:57:16,814 INFO L87 Difference]: Start difference. First operand has 68 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-24 23:57:19,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:19,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:19,059 INFO L93 Difference]: Finished difference Result 133 states and 241 transitions. [2023-11-24 23:57:19,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:57:19,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 164 [2023-11-24 23:57:19,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:19,101 INFO L225 Difference]: With dead ends: 133 [2023-11-24 23:57:19,101 INFO L226 Difference]: Without dead ends: 66 [2023-11-24 23:57:19,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:57:19,109 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:19,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-24 23:57:19,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-24 23:57:19,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-24 23:57:19,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-24 23:57:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions. [2023-11-24 23:57:19,162 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 164 [2023-11-24 23:57:19,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:19,162 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 102 transitions. [2023-11-24 23:57:19,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-24 23:57:19,163 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2023-11-24 23:57:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-24 23:57:19,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:19,169 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:19,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:19,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:19,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:19,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:19,387 INFO L85 PathProgramCache]: Analyzing trace with hash -903697482, now seen corresponding path program 1 times [2023-11-24 23:57:19,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:19,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242402929] [2023-11-24 23:57:19,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:19,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:19,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:19,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:19,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:57:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:20,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:57:20,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-24 23:57:21,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:21,141 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:21,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242402929] [2023-11-24 23:57:21,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242402929] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:21,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:21,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:57:21,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045843908] [2023-11-24 23:57:21,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:21,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:57:21,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:21,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:57:21,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:57:21,146 INFO L87 Difference]: Start difference. First operand 66 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-24 23:57:23,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:25,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:27,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:29,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:29,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:29,580 INFO L93 Difference]: Finished difference Result 306 states and 473 transitions. [2023-11-24 23:57:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:57:29,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 164 [2023-11-24 23:57:29,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:29,588 INFO L225 Difference]: With dead ends: 306 [2023-11-24 23:57:29,589 INFO L226 Difference]: Without dead ends: 241 [2023-11-24 23:57:29,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:57:29,592 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 167 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 55 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:29,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 554 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2023-11-24 23:57:29,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-24 23:57:29,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 129. [2023-11-24 23:57:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-24 23:57:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 201 transitions. [2023-11-24 23:57:29,654 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 201 transitions. Word has length 164 [2023-11-24 23:57:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:29,655 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 201 transitions. [2023-11-24 23:57:29,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-24 23:57:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 201 transitions. [2023-11-24 23:57:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-24 23:57:29,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:29,661 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:29,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:29,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:29,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:29,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:29,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1337428624, now seen corresponding path program 1 times [2023-11-24 23:57:29,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:29,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978565464] [2023-11-24 23:57:29,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:29,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:29,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:29,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:29,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83164c7-4841-4519-95e6-b32fd4f4ef66/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:57:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:30,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:57:30,534 INFO L285 TraceCheckSpWp]: Computing forward predicates...