./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 b2a57ed806019e2a314732595f6a56c6ec2b2df5289c00e3d1fce673fb6d9182 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:38,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:38,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:57:38,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:38,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:38,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:38,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:38,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:38,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:38,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:38,820 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:38,821 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:38,821 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:38,822 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:38,822 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:38,823 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:38,824 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:38,824 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:38,825 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:38,826 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:38,826 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:38,827 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:38,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:38,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:38,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:38,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:38,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:38,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:38,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:38,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:38,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:38,832 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:38,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:38,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:38,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:38,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:38,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:38,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:38,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:38,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:38,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:38,857 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:38,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:38,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:38,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:38,859 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:38,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:38,859 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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2a57ed806019e2a314732595f6a56c6ec2b2df5289c00e3d1fce673fb6d9182 [2023-11-24 23:57:39,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:39,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:39,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:39,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:39,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:39,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i [2023-11-24 23:57:42,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:42,673 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:42,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i [2023-11-24 23:57:42,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/data/767e0b9b9/07df3fcdd34d415d8cf6ea6d5fd467a9/FLAG13b5c28f2 [2023-11-24 23:57:42,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/data/767e0b9b9/07df3fcdd34d415d8cf6ea6d5fd467a9 [2023-11-24 23:57:42,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:42,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:42,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:42,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:42,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:42,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:42" (1/1) ... [2023-11-24 23:57:42,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437775cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:42, skipping insertion in model container [2023-11-24 23:57:42,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:42" (1/1) ... [2023-11-24 23:57:42,783 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:42,994 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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i[915,928] [2023-11-24 23:57:43,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:43,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:43,096 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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i[915,928] [2023-11-24 23:57:43,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:43,183 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:43,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43 WrapperNode [2023-11-24 23:57:43,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:43,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:43,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:43,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:43,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,270 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2023-11-24 23:57:43,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:43,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:43,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:43,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:43,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:43,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:43,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:43,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:43,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (1/1) ... [2023-11-24 23:57:43,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:43,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:43,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:43,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:43,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:43,565 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:44,014 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:44,288 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:44,289 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:44,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:44 BoogieIcfgContainer [2023-11-24 23:57:44,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:44,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:44,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:44,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:44,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:42" (1/3) ... [2023-11-24 23:57:44,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56209687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:44, skipping insertion in model container [2023-11-24 23:57:44,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:43" (2/3) ... [2023-11-24 23:57:44,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56209687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:44, skipping insertion in model container [2023-11-24 23:57:44,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:44" (3/3) ... [2023-11-24 23:57:44,304 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-27.i [2023-11-24 23:57:44,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:44,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:44,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:44,401 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;@512b6bd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:44,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:44,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-24 23:57:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:57:44,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:44,429 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:57:44,429 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:44,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:44,437 INFO L85 PathProgramCache]: Analyzing trace with hash 131407417, now seen corresponding path program 1 times [2023-11-24 23:57:44,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:44,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436628344] [2023-11-24 23:57:44,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:44,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:45,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:45,558 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:45,560 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:45,561 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:57:45,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:57:45,571 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:57:45,588 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:45,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:45 BoogieIcfgContainer [2023-11-24 23:57:45,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:45,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:45,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:45,762 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:45,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:44" (3/4) ... [2023-11-24 23:57:45,765 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:57:45,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:45,768 INFO L158 Benchmark]: Toolchain (without parser) took 3050.06ms. Allocated memory is still 188.7MB. Free memory was 158.2MB in the beginning and 117.7MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:45,769 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 80.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:45,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.94ms. Allocated memory is still 188.7MB. Free memory was 158.0MB in the beginning and 149.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-24 23:57:45,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.97ms. Allocated memory is still 188.7MB. Free memory was 148.6MB in the beginning and 145.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:45,773 INFO L158 Benchmark]: Boogie Preprocessor took 48.99ms. Allocated memory is still 188.7MB. Free memory was 145.7MB in the beginning and 143.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:45,777 INFO L158 Benchmark]: RCFGBuilder took 970.41ms. Allocated memory is still 188.7MB. Free memory was 143.6MB in the beginning and 118.5MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:45,778 INFO L158 Benchmark]: TraceAbstraction took 1464.35ms. Allocated memory is still 188.7MB. Free memory was 117.6MB in the beginning and 117.7MB in the end (delta: -77.4kB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2023-11-24 23:57:45,779 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 188.7MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:45,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 80.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.94ms. Allocated memory is still 188.7MB. Free memory was 158.0MB in the beginning and 149.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.97ms. Allocated memory is still 188.7MB. Free memory was 148.6MB in the beginning and 145.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.99ms. Allocated memory is still 188.7MB. Free memory was 145.7MB in the beginning and 143.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 970.41ms. Allocated memory is still 188.7MB. Free memory was 143.6MB in the beginning and 118.5MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1464.35ms. Allocated memory is still 188.7MB. Free memory was 117.6MB in the beginning and 117.7MB in the end (delta: -77.4kB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 188.7MB. Free memory is still 117.7MB. 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 64, overapproximation of shiftRight at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] signed short int var_1_10 = -50; [L31] unsigned long int var_1_11 = 8; [L32] unsigned char var_1_12 = 32; [L33] float var_1_13 = 15.625; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 1; [L37] unsigned char var_1_17 = 1; [L38] unsigned char var_1_19 = 0; [L39] unsigned char var_1_20 = 8; [L40] unsigned short int var_1_21 = 16; [L41] unsigned short int var_1_22 = 128; [L42] signed short int var_1_23 = 128; [L43] signed short int var_1_24 = -256; [L44] unsigned short int var_1_25 = 32; [L45] unsigned short int var_1_26 = 128; [L46] double var_1_27 = 25.5; [L47] double var_1_28 = 200.9; [L48] signed char var_1_29 = -10; [L49] signed char var_1_30 = -32; [L50] signed char var_1_31 = -5; [L51] unsigned char var_1_32 = 1; [L52] double var_1_33 = 199.5; [L53] unsigned long int var_1_34 = 4; [L162] isInitial = 1 [L163] FCALL initially() [L164] COND TRUE 1 [L165] FCALL updateLastVariables() [L166] CALL updateVariables() [L108] var_1_2 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L110] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L111] var_1_3 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L113] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L114] var_1_4 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L116] var_1_5 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L118] var_1_6 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_7=316/5, var_1_8=1] [L120] var_1_7 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L122] var_1_11 = __VERIFIER_nondet_ulong() [L123] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L124] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L125] var_1_13 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L127] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L128] var_1_15 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L130] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L131] var_1_16 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L133] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L134] var_1_17 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L136] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L137] var_1_19 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L139] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=-256, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L140] var_1_24 = __VERIFIER_nondet_short() [L141] CALL assume_abort_if_not(var_1_24 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_24 >= -32767) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L142] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=128, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L143] var_1_26 = __VERIFIER_nondet_ushort() [L144] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L145] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_28=2009/10, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L146] var_1_28 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=-32, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L148] var_1_30 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_30 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=125, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_30 >= -127) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=125, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L150] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=125, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=125, var_1_31=-5, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L151] var_1_31 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_31 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=125, var_1_31=126, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_31 >= -127) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=125, var_1_31=126, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L153] CALL assume_abort_if_not(var_1_31 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=125, var_1_31=126, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_31 <= 126) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_24=32766, var_1_25=32, var_1_26=65534, var_1_27=51/2, var_1_29=-10, var_1_2=1, var_1_30=125, var_1_31=126, var_1_32=1, var_1_33=399/2, var_1_34=4, var_1_3=0, var_1_8=1] [L166] RET updateVariables() [L167] CALL step() [L57] var_1_23 = var_1_24 [L58] var_1_25 = var_1_26 [L59] var_1_27 = var_1_28 [L60] var_1_29 = ((((((((10) > (var_1_30)) ? (10) : (var_1_30)))) < (((((var_1_31) > (-8)) ? (var_1_31) : (-8))))) ? (((((10) > (var_1_30)) ? (10) : (var_1_30)))) : (((((var_1_31) > (-8)) ? (var_1_31) : (-8)))))) [L61] var_1_32 = 1 [L62] var_1_33 = var_1_28 [L63] var_1_34 = var_1_26 [L64] COND FALSE !(var_1_6 == (var_1_4 / var_1_13)) [L67] var_1_20 = var_1_11 [L68] var_1_21 = 8 [L69] EXPR 2u >> var_1_11 [L69] COND TRUE (var_1_21 + var_1_12) > (2u >> var_1_11) [L70] COND TRUE var_1_12 != var_1_21 [L71] var_1_10 = var_1_11 [L76] COND FALSE !(! var_1_2) [L87] unsigned char stepLocal_1 = var_1_14; [L88] unsigned char stepLocal_0 = var_1_14; [L89] COND TRUE var_1_14 || stepLocal_0 [L90] COND TRUE stepLocal_1 || var_1_14 [L91] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) [L98] COND FALSE !(var_1_6 > (- var_1_7)) [L103] var_1_8 = var_1_20 [L105] var_1_22 = var_1_8 [L167] RET step() [L168] CALL, EXPR property() [L158] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) [L158-L159] return ((((((((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_8)) ; [L168] RET, EXPR property() [L168] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=8, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=400000003/4, var_1_20=8, var_1_21=8, var_1_22=8, var_1_23=32766, var_1_24=32766, var_1_25=65534, var_1_26=65534, var_1_27=4294967309, var_1_28=4294967309, var_1_29=125, var_1_2=1, var_1_30=125, var_1_31=126, var_1_32=1, var_1_33=4294967309, var_1_34=65534, var_1_3=0, var_1_7=400000003/4, var_1_8=8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=8, var_1_11=8, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=400000003/4, var_1_20=8, var_1_21=8, var_1_22=8, var_1_23=32766, var_1_24=32766, var_1_25=65534, var_1_26=65534, var_1_27=4294967309, var_1_28=4294967309, var_1_29=125, var_1_2=1, var_1_30=125, var_1_31=126, var_1_32=1, var_1_33=4294967309, var_1_34=65534, var_1_3=0, var_1_7=400000003/4, var_1_8=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 29, 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=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 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 23:57:45,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 b2a57ed806019e2a314732595f6a56c6ec2b2df5289c00e3d1fce673fb6d9182 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:48,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:48,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:57:48,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:48,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:48,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:48,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:48,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:48,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:48,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:48,571 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:48,572 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:48,573 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:48,573 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:48,574 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:48,575 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:48,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:48,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:48,577 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:48,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:48,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:48,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:48,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:48,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:48,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:57:48,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:57:48,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:57:48,582 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:48,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:48,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:48,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:48,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:57:48,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:48,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:48,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:48,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:48,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:48,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:48,587 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:57:48,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:48,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:48,589 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:48,589 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:48,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:48,590 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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2a57ed806019e2a314732595f6a56c6ec2b2df5289c00e3d1fce673fb6d9182 [2023-11-24 23:57:48,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:49,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:49,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:49,028 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:49,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:49,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i [2023-11-24 23:57:52,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:52,679 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:52,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i [2023-11-24 23:57:52,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/data/731a5ff2f/16c61246a6ff4a15bf176d061801f79c/FLAGc25a5e272 [2023-11-24 23:57:52,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/data/731a5ff2f/16c61246a6ff4a15bf176d061801f79c [2023-11-24 23:57:52,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:52,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:52,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:52,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:52,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:52,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:52" (1/1) ... [2023-11-24 23:57:52,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d11998c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:52, skipping insertion in model container [2023-11-24 23:57:52,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:52" (1/1) ... [2023-11-24 23:57:52,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:53,006 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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i[915,928] [2023-11-24 23:57:53,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:53,140 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:53,159 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_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-27.i[915,928] [2023-11-24 23:57:53,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:53,255 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:53,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53 WrapperNode [2023-11-24 23:57:53,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:53,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:53,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:53,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:53,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,348 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-24 23:57:53,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:53,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:53,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:53,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:53,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:53,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:53,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:53,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:53,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (1/1) ... [2023-11-24 23:57:53,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:53,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:53,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:53,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:57:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:53,736 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:53,738 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:58,045 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:58,132 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:58,132 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:58,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:58 BoogieIcfgContainer [2023-11-24 23:57:58,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:58,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:58,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:58,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:58,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:52" (1/3) ... [2023-11-24 23:57:58,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b328c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:58, skipping insertion in model container [2023-11-24 23:57:58,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:53" (2/3) ... [2023-11-24 23:57:58,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b328c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:58, skipping insertion in model container [2023-11-24 23:57:58,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:58" (3/3) ... [2023-11-24 23:57:58,144 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-27.i [2023-11-24 23:57:58,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:58,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:58,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:58,248 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;@7e8d274e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:58,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-24 23:57:58,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-24 23:57:58,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:58,283 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:57:58,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:58,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:58,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1537356964, now seen corresponding path program 1 times [2023-11-24 23:57:58,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:58,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188848709] [2023-11-24 23:57:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:58,312 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 23:57:58,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:58,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:57:58,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:57:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:59,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:57:59,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 740 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2023-11-24 23:57:59,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:59,188 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:59,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188848709] [2023-11-24 23:57:59,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188848709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:59,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:59,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:57:59,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443894445] [2023-11-24 23:57:59,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:59,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:57:59,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:59,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:57:59,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:57:59,233 INFO L87 Difference]: Start difference. First operand has 71 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) 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, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-24 23:58:01,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:01,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:01,437 INFO L93 Difference]: Finished difference Result 139 states and 251 transitions. [2023-11-24 23:58:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:58:01,483 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, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 174 [2023-11-24 23:58:01,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:01,491 INFO L225 Difference]: With dead ends: 139 [2023-11-24 23:58:01,491 INFO L226 Difference]: Without dead ends: 69 [2023-11-24 23:58:01,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 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 23:58:01,499 INFO L413 NwaCegarLoop]: 104 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, 104 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 23:58:01,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-24 23:58:01,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-24 23:58:01,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-24 23:58:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-24 23:58:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2023-11-24 23:58:01,555 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 174 [2023-11-24 23:58:01,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:01,556 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2023-11-24 23:58:01,556 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, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-24 23:58:01,556 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-11-24 23:58:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-24 23:58:01,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:01,561 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:01,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:01,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:01,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:01,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:01,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1405355538, now seen corresponding path program 1 times [2023-11-24 23:58:01,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:01,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614846795] [2023-11-24 23:58:01,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:01,771 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 23:58:01,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:01,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:01,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:02,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:58:02,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 730 proven. 57 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2023-11-24 23:58:03,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:58:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-24 23:58:03,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:03,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1614846795] [2023-11-24 23:58:03,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1614846795] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-24 23:58:03,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:58:03,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-24 23:58:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812006900] [2023-11-24 23:58:03,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:03,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:03,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:03,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:03,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:58:03,641 INFO L87 Difference]: Start difference. First operand 69 states and 107 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-24 23:58:06,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:06,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:06,814 INFO L93 Difference]: Finished difference Result 141 states and 216 transitions. [2023-11-24 23:58:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:06,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 174 [2023-11-24 23:58:06,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:06,863 INFO L225 Difference]: With dead ends: 141 [2023-11-24 23:58:06,863 INFO L226 Difference]: Without dead ends: 73 [2023-11-24 23:58:06,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:58:06,866 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 48 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:06,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 153 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-11-24 23:58:06,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-24 23:58:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-24 23:58:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 41 states have internal predecessors, (51), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-24 23:58:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 109 transitions. [2023-11-24 23:58:06,887 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 109 transitions. Word has length 174 [2023-11-24 23:58:06,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:06,888 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 109 transitions. [2023-11-24 23:58:06,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-24 23:58:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2023-11-24 23:58:06,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-24 23:58:06,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:06,893 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:06,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:07,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:07,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:07,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:07,106 INFO L85 PathProgramCache]: Analyzing trace with hash 400145465, now seen corresponding path program 1 times [2023-11-24 23:58:07,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:07,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317371885] [2023-11-24 23:58:07,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:07,108 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 23:58:07,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:07,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:07,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:07,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:58:07,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-24 23:58:08,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:08,869 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:08,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317371885] [2023-11-24 23:58:08,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317371885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:08,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:08,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:08,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604264577] [2023-11-24 23:58:08,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:08,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:08,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:08,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:08,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:08,874 INFO L87 Difference]: Start difference. First operand 73 states and 109 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-24 23:58:11,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:13,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:15,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:15,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:15,090 INFO L93 Difference]: Finished difference Result 217 states and 325 transitions. [2023-11-24 23:58:15,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:15,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 175 [2023-11-24 23:58:15,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:15,096 INFO L225 Difference]: With dead ends: 217 [2023-11-24 23:58:15,096 INFO L226 Difference]: Without dead ends: 145 [2023-11-24 23:58:15,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:15,100 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 15 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:15,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 195 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-11-24 23:58:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-24 23:58:15,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2023-11-24 23:58:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 78 states have (on average 1.205128205128205) internal successors, (94), 78 states have internal predecessors, (94), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-24 23:58:15,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 210 transitions. [2023-11-24 23:58:15,144 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 210 transitions. Word has length 175 [2023-11-24 23:58:15,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:15,146 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 210 transitions. [2023-11-24 23:58:15,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-24 23:58:15,147 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 210 transitions. [2023-11-24 23:58:15,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-24 23:58:15,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:15,152 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:15,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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)] Ended with exit code 0 [2023-11-24 23:58:15,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:15,365 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:15,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:15,366 INFO L85 PathProgramCache]: Analyzing trace with hash -727930626, now seen corresponding path program 1 times [2023-11-24 23:58:15,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:15,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725098530] [2023-11-24 23:58:15,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:15,368 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 23:58:15,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:15,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/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 23:58:15,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-24 23:58:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:15,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:58:15,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 46 proven. 672 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-24 23:58:21,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:58:21,834 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:21,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725098530] [2023-11-24 23:58:21,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725098530] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:58:21,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2070906143] [2023-11-24 23:58:21,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:21,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:58:21,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:58:21,839 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:58:21,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9631fb-1f8c-4839-9b26-578feb7ca8ff/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:58:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:23,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:58:23,799 INFO L285 TraceCheckSpWp]: Computing forward predicates...