./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4586f78ee751b6530c15131f84e0f59424b7aaca2999c7f31f95655f82bfb98 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:23:08,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:23:08,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 12:23:08,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:23:08,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:23:08,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:23:08,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:23:08,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:23:08,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:23:08,714 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:23:08,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:23:08,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:23:08,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:23:08,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:23:08,723 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:23:08,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:23:08,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:23:08,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:23:08,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:23:08,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:23:08,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:23:08,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:23:08,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:23:08,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:23:08,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:23:08,730 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:23:08,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:23:08,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:23:08,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:23:08,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:23:08,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:23:08,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:23:08,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:23:08,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:23:08,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:23:08,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:23:08,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:23:08,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:23:08,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:23:08,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:23:08,736 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:23:08,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:23:08,737 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4586f78ee751b6530c15131f84e0f59424b7aaca2999c7f31f95655f82bfb98 [2024-11-08 12:23:09,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:23:09,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:23:09,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:23:09,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:23:09,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:23:09,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i Unable to find full path for "g++" [2024-11-08 12:23:11,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:23:11,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:23:11,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i [2024-11-08 12:23:11,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/data/0a3d02c02/d81c2aa482154b86b0346251b3204ff8/FLAG4ae38e8db [2024-11-08 12:23:11,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/data/0a3d02c02/d81c2aa482154b86b0346251b3204ff8 [2024-11-08 12:23:11,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:23:11,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:23:11,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:23:11,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:23:11,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:23:11,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:11" (1/1) ... [2024-11-08 12:23:11,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0849b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:11, skipping insertion in model container [2024-11-08 12:23:11,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:11" (1/1) ... [2024-11-08 12:23:11,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:23:11,830 WARN L250 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_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i[917,930] [2024-11-08 12:23:11,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:23:11,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:23:11,962 WARN L250 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_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i[917,930] [2024-11-08 12:23:12,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:23:12,049 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:23:12,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12 WrapperNode [2024-11-08 12:23:12,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:23:12,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:23:12,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:23:12,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:23:12,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,151 INFO L138 Inliner]: procedures = 30, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 427 [2024-11-08 12:23:12,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:23:12,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:23:12,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:23:12,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:23:12,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,176 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,186 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 12:23:12,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:23:12,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:23:12,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:23:12,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:23:12,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (1/1) ... [2024-11-08 12:23:12,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:23:12,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:23:12,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 12:23:12,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 12:23:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:23:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 12:23:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 12:23:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 12:23:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:23:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 12:23:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 12:23:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 12:23:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 12:23:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:23:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:23:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:23:12,554 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:23:12,557 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:23:13,255 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-08 12:23:13,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:23:13,273 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:23:13,274 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 12:23:13,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:13 BoogieIcfgContainer [2024-11-08 12:23:13,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:23:13,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:23:13,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:23:13,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:23:13,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:23:11" (1/3) ... [2024-11-08 12:23:13,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208e8adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:13, skipping insertion in model container [2024-11-08 12:23:13,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:12" (2/3) ... [2024-11-08 12:23:13,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208e8adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:13, skipping insertion in model container [2024-11-08 12:23:13,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:13" (3/3) ... [2024-11-08 12:23:13,286 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-29.i [2024-11-08 12:23:13,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:23:13,314 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:23:13,387 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:23:13,394 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@77d11f4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:23:13,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:23:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:13,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:13,415 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:13,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:13,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1489561218, now seen corresponding path program 1 times [2024-11-08 12:23:13,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:13,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595738431] [2024-11-08 12:23:13,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:13,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 12:23:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:13,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:23:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:23:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:23:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:23:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:23:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:23:14,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:14,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595738431] [2024-11-08 12:23:14,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595738431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:14,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:14,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:14,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886763601] [2024-11-08 12:23:14,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:14,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:23:14,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:14,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:23:14,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:23:14,063 INFO L87 Difference]: Start difference. First operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-08 12:23:14,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:14,110 INFO L93 Difference]: Finished difference Result 169 states and 254 transitions. [2024-11-08 12:23:14,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:14,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-08 12:23:14,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:14,124 INFO L225 Difference]: With dead ends: 169 [2024-11-08 12:23:14,124 INFO L226 Difference]: Without dead ends: 84 [2024-11-08 12:23:14,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:23:14,135 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:23:14,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:23:14,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-08 12:23:14,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-08 12:23:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 76 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2024-11-08 12:23:14,193 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 73 [2024-11-08 12:23:14,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:14,194 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2024-11-08 12:23:14,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-08 12:23:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2024-11-08 12:23:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:14,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:14,198 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:14,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:23:14,199 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:14,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:14,200 INFO L85 PathProgramCache]: Analyzing trace with hash 784635190, now seen corresponding path program 1 times [2024-11-08 12:23:14,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:14,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375811039] [2024-11-08 12:23:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:14,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 12:23:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:23:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:23:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:23:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:23:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:23:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:23:14,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:14,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375811039] [2024-11-08 12:23:14,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375811039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:14,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:14,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:23:14,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707918899] [2024-11-08 12:23:14,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:14,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:23:14,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:14,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:23:14,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:23:14,592 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:14,641 INFO L93 Difference]: Finished difference Result 168 states and 241 transitions. [2024-11-08 12:23:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:23:14,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-08 12:23:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:14,643 INFO L225 Difference]: With dead ends: 168 [2024-11-08 12:23:14,644 INFO L226 Difference]: Without dead ends: 87 [2024-11-08 12:23:14,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:23:14,646 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:23:14,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 340 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:23:14,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-08 12:23:14,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2024-11-08 12:23:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 122 transitions. [2024-11-08 12:23:14,657 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 122 transitions. Word has length 73 [2024-11-08 12:23:14,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:14,659 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 122 transitions. [2024-11-08 12:23:14,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2024-11-08 12:23:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:14,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:14,665 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:14,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:23:14,665 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:14,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:14,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1735324744, now seen corresponding path program 1 times [2024-11-08 12:23:14,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:14,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305609246] [2024-11-08 12:23:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 12:23:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 12:23:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 12:23:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 12:23:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 12:23:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 12:23:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:23:14,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:14,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305609246] [2024-11-08 12:23:14,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305609246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:14,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:14,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:23:14,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972356697] [2024-11-08 12:23:14,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:14,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:23:14,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:14,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:23:14,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:23:14,905 INFO L87 Difference]: Start difference. First operand 86 states and 122 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:14,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:14,964 INFO L93 Difference]: Finished difference Result 172 states and 245 transitions. [2024-11-08 12:23:14,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:23:14,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-08 12:23:14,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:14,967 INFO L225 Difference]: With dead ends: 172 [2024-11-08 12:23:14,967 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 12:23:14,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:23:14,970 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:23:14,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 343 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:23:14,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 12:23:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 88. [2024-11-08 12:23:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 80 states have (on average 1.4) internal successors, (112), 80 states have internal predecessors, (112), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 124 transitions. [2024-11-08 12:23:14,980 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 124 transitions. Word has length 73 [2024-11-08 12:23:14,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:14,981 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 124 transitions. [2024-11-08 12:23:14,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2024-11-08 12:23:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:14,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:14,983 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:14,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:23:14,984 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:14,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1733477702, now seen corresponding path program 1 times [2024-11-08 12:23:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:14,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755623627] [2024-11-08 12:23:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:23:15,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:23:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:23:15,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:23:15,433 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:23:15,435 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:23:15,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:23:15,441 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 12:23:15,610 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:23:15,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:23:15 BoogieIcfgContainer [2024-11-08 12:23:15,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:23:15,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:23:15,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:23:15,620 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:23:15,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:13" (3/4) ... [2024-11-08 12:23:15,624 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 12:23:15,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:23:15,626 INFO L158 Benchmark]: Toolchain (without parser) took 4109.79ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 130.8MB in the end (delta: 176.1kB). Peak memory consumption was 968.6kB. Max. memory is 16.1GB. [2024-11-08 12:23:15,626 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:23:15,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.06ms. Allocated memory is still 167.8MB. Free memory was 130.2MB in the beginning and 114.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 12:23:15,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.39ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 111.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:23:15,628 INFO L158 Benchmark]: Boogie Preprocessor took 80.02ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 107.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:23:15,628 INFO L158 Benchmark]: RCFGBuilder took 1041.29ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 77.2MB in the end (delta: 30.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 12:23:15,633 INFO L158 Benchmark]: TraceAbstraction took 2341.14ms. Allocated memory is still 167.8MB. Free memory was 76.4MB in the beginning and 130.8MB in the end (delta: -54.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-08 12:23:15,633 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 167.8MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:23:15,635 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.06ms. Allocated memory is still 167.8MB. Free memory was 130.2MB in the beginning and 114.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.39ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 111.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.02ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 107.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1041.29ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 77.2MB in the end (delta: 30.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2341.14ms. Allocated memory is still 167.8MB. Free memory was 76.4MB in the beginning and 130.8MB in the end (delta: -54.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 167.8MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L47] float* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] float* WrapperStruct00_var_1_3_Pointer = &(WrapperStruct00.var_1_3); [L49] float* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L50] unsigned short int* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L51] unsigned short int* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L52] unsigned char* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L53] unsigned char* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L54] unsigned char* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L55] unsigned char* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L56] unsigned char* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=0] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] FCALL updateLastVariables() [L109] CALL updateVariables() [L87] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L88] EXPR WrapperStruct00.var_1_3 [L88] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L88] EXPR WrapperStruct00.var_1_3 [L88] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L88] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L88] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L88] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L89] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L90] EXPR WrapperStruct00.var_1_4 [L90] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F [L90] EXPR WrapperStruct00.var_1_4 [L90] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L90] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L90] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L90] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L91] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L94] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, \old(cond)=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L109] RET updateVariables() [L110] CALL step() [L60] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L60] (*(WrapperStruct00_var_1_12_Pointer)) = (*(WrapperStruct00_var_1_13_Pointer)) [L61] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L61] (*(WrapperStruct00_var_1_14_Pointer)) = (*(WrapperStruct00_var_1_11_Pointer)) [L62] EXPR \read(*WrapperStruct00_var_1_12_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L62] COND TRUE (*(WrapperStruct00_var_1_12_Pointer)) [L63] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L63] (*(WrapperStruct00_var_1_1_Pointer)) = (*(WrapperStruct00_var_1_3_Pointer)) [L69] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L69] EXPR \read(*WrapperStruct00_var_1_3_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L69] COND FALSE !(((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) [L72] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L72] (*(WrapperStruct00_var_1_5_Pointer)) = (*(WrapperStruct00_var_1_14_Pointer)) [L74] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L74] signed long int stepLocal_0 = 5 * (*(WrapperStruct00_var_1_14_Pointer)); [L75] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L75] EXPR \read(*WrapperStruct00_var_1_1_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1, stepLocal_0=0] [L75] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))) [L75] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L75] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1, stepLocal_0=0] [L75] EXPR \read(*WrapperStruct00_var_1_1_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1, stepLocal_0=0] [L75] COND FALSE !((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) [L82] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_3_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1, stepLocal_0=0] [L82] COND TRUE (*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer)) [L83] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L83] (*(WrapperStruct00_var_1_10_Pointer)) = (*(WrapperStruct00_var_1_11_Pointer)) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR \read(*WrapperStruct00_var_1_12_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR (*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1) [L101] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L101] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L101] EXPR (*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR ((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR (((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR ((((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) : 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR (((((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_13_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101] EXPR ((((((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_13_Pointer))))) && ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L101-L102] return ((((((*(WrapperStruct00_var_1_12_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (*(WrapperStruct00_var_1_3_Pointer)))) : ((! ((*(WrapperStruct00_var_1_3_Pointer)) < (*(WrapperStruct00_var_1_4_Pointer)))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) : 1)) && ((((*(WrapperStruct00_var_1_1_Pointer)) + 8.125) > ((*(WrapperStruct00_var_1_1_Pointer)) * (*(WrapperStruct00_var_1_3_Pointer)))) ? ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) ((((((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_14_Pointer)) + (*(WrapperStruct00_var_1_14_Pointer)))) : ((*(WrapperStruct00_var_1_14_Pointer))))))) : ((*(WrapperStruct00_var_1_5_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))))) && (((((((*(WrapperStruct00_var_1_3_Pointer))) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_1_Pointer))))) == (*(WrapperStruct00_var_1_1_Pointer))) ? (((*(WrapperStruct00_var_1_14_Pointer)) > (5 * (*(WrapperStruct00_var_1_14_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) < ((*(WrapperStruct00_var_1_1_Pointer)) * 256.5f)) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(WrapperStruct00_var_1_1_Pointer)) < (*(WrapperStruct00_var_1_3_Pointer))) ? ((*(WrapperStruct00_var_1_10_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) : 1)) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_13_Pointer))))) && ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_11_Pointer)))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:16}, WrapperStruct00_var_1_11_Pointer={4:17}, WrapperStruct00_var_1_12_Pointer={4:18}, WrapperStruct00_var_1_13_Pointer={4:19}, WrapperStruct00_var_1_14_Pointer={4:20}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:4}, WrapperStruct00_var_1_4_Pointer={4:8}, WrapperStruct00_var_1_5_Pointer={4:12}, WrapperStruct00_var_1_9_Pointer={4:14}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 803 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 449 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 354 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 180/180 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 [2024-11-08 12:23:15,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4586f78ee751b6530c15131f84e0f59424b7aaca2999c7f31f95655f82bfb98 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:23:18,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:23:18,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 12:23:18,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:23:18,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:23:18,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:23:18,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:23:18,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:23:18,567 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:23:18,567 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:23:18,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:23:18,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:23:18,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:23:18,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:23:18,572 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:23:18,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:23:18,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:23:18,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:23:18,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:23:18,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:23:18,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:23:18,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:23:18,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:23:18,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 12:23:18,580 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 12:23:18,580 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:23:18,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 12:23:18,580 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:23:18,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:23:18,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:23:18,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:23:18,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:23:18,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:23:18,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:23:18,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:23:18,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:23:18,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:23:18,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:23:18,586 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 12:23:18,586 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 12:23:18,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:23:18,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:23:18,588 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:23:18,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:23:18,588 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4586f78ee751b6530c15131f84e0f59424b7aaca2999c7f31f95655f82bfb98 [2024-11-08 12:23:18,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:23:19,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:23:19,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:23:19,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:23:19,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:23:19,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i Unable to find full path for "g++" [2024-11-08 12:23:21,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:23:21,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:23:21,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i [2024-11-08 12:23:21,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/data/c2cc4cddb/bc091676c12b4a209c6283e522b24682/FLAG039bd837d [2024-11-08 12:23:21,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/data/c2cc4cddb/bc091676c12b4a209c6283e522b24682 [2024-11-08 12:23:21,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:23:21,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:23:21,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:23:21,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:23:21,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:23:21,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:21" (1/1) ... [2024-11-08 12:23:21,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6193f218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:21, skipping insertion in model container [2024-11-08 12:23:21,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:21" (1/1) ... [2024-11-08 12:23:21,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:23:22,042 WARN L250 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_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i[917,930] [2024-11-08 12:23:22,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:23:22,168 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:23:22,187 WARN L250 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_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-29.i[917,930] [2024-11-08 12:23:22,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:23:22,285 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:23:22,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22 WrapperNode [2024-11-08 12:23:22,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:23:22,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:23:22,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:23:22,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:23:22,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,382 INFO L138 Inliner]: procedures = 34, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2024-11-08 12:23:22,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:23:22,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:23:22,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:23:22,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:23:22,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,454 INFO L175 MemorySlicer]: Split 109 memory accesses to 2 slices as follows [2, 107]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 23 writes are split as follows [0, 23]. [2024-11-08 12:23:22,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:23:22,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:23:22,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:23:22,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:23:22,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (1/1) ... [2024-11-08 12:23:22,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:23:22,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:23:22,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 12:23:22,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 12:23:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:23:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 12:23:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 12:23:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 12:23:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 12:23:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 12:23:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 12:23:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 12:23:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 12:23:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 12:23:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 12:23:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-08 12:23:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-08 12:23:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-08 12:23:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-08 12:23:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 12:23:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 12:23:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-08 12:23:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-08 12:23:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:23:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:23:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 12:23:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 12:23:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 12:23:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 12:23:22,747 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:23:22,749 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:23:33,344 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-08 12:23:33,347 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:23:33,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:23:33,364 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 12:23:33,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:33 BoogieIcfgContainer [2024-11-08 12:23:33,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:23:33,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:23:33,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:23:33,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:23:33,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:23:21" (1/3) ... [2024-11-08 12:23:33,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d807dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:33, skipping insertion in model container [2024-11-08 12:23:33,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:22" (2/3) ... [2024-11-08 12:23:33,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d807dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:33, skipping insertion in model container [2024-11-08 12:23:33,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:33" (3/3) ... [2024-11-08 12:23:33,382 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-29.i [2024-11-08 12:23:33,403 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:23:33,403 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:23:33,469 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:23:33,476 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@15ef3bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:23:33,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:23:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:33,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:33,489 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:33,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:33,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:33,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1386394520, now seen corresponding path program 1 times [2024-11-08 12:23:33,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:23:33,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749893853] [2024-11-08 12:23:33,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:33,527 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 [2024-11-08 12:23:33,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:23:33,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:23:33,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:34,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 12:23:34,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 12:23:34,242 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:23:34,243 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:23:34,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749893853] [2024-11-08 12:23:34,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749893853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:34,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:34,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:34,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079946049] [2024-11-08 12:23:34,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:34,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:23:34,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:23:34,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:23:34,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:23:34,336 INFO L87 Difference]: Start difference. First operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-08 12:23:34,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:34,379 INFO L93 Difference]: Finished difference Result 169 states and 254 transitions. [2024-11-08 12:23:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:23:34,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-08 12:23:34,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:34,392 INFO L225 Difference]: With dead ends: 169 [2024-11-08 12:23:34,393 INFO L226 Difference]: Without dead ends: 84 [2024-11-08 12:23:34,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:23:34,403 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:23:34,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:23:34,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-08 12:23:34,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-08 12:23:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 76 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:34,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2024-11-08 12:23:34,466 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 73 [2024-11-08 12:23:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:34,467 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2024-11-08 12:23:34,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-08 12:23:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2024-11-08 12:23:34,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:34,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:34,473 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:34,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:34,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:34,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:34,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:34,675 INFO L85 PathProgramCache]: Analyzing trace with hash -634376368, now seen corresponding path program 1 times [2024-11-08 12:23:34,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:23:34,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453282016] [2024-11-08 12:23:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:34,677 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 [2024-11-08 12:23:34,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:23:34,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:23:34,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:35,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:23:35,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 12:23:35,270 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:23:35,270 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:23:35,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453282016] [2024-11-08 12:23:35,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453282016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:35,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:35,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:23:35,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852603764] [2024-11-08 12:23:35,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:35,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:23:35,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:23:35,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:23:35,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:23:35,275 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-08 12:23:35,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:35,386 INFO L93 Difference]: Finished difference Result 167 states and 240 transitions. [2024-11-08 12:23:35,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:23:35,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-08 12:23:35,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:35,389 INFO L225 Difference]: With dead ends: 167 [2024-11-08 12:23:35,392 INFO L226 Difference]: Without dead ends: 86 [2024-11-08 12:23:35,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:23:35,394 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:23:35,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:23:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-08 12:23:35,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-08 12:23:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 122 transitions. [2024-11-08 12:23:35,414 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 122 transitions. Word has length 73 [2024-11-08 12:23:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:35,417 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 122 transitions. [2024-11-08 12:23:35,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-08 12:23:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2024-11-08 12:23:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:35,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:35,423 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:35,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 12:23:35,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:35,624 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:35,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:35,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1195076146, now seen corresponding path program 1 times [2024-11-08 12:23:35,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:23:35,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854294661] [2024-11-08 12:23:35,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:35,626 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 [2024-11-08 12:23:35,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:23:35,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:23:35,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:36,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 12:23:36,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:23:36,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:23:36,244 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:23:36,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854294661] [2024-11-08 12:23:36,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854294661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:36,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:36,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:23:36,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529816728] [2024-11-08 12:23:36,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:36,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:23:36,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:23:36,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:23:36,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:23:36,248 INFO L87 Difference]: Start difference. First operand 86 states and 122 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:36,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:36,457 INFO L93 Difference]: Finished difference Result 176 states and 251 transitions. [2024-11-08 12:23:36,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:36,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-08 12:23:36,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:36,465 INFO L225 Difference]: With dead ends: 176 [2024-11-08 12:23:36,465 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 12:23:36,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:23:36,470 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:23:36,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 544 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 12:23:36,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 12:23:36,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-08 12:23:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 128 transitions. [2024-11-08 12:23:36,493 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 128 transitions. Word has length 73 [2024-11-08 12:23:36,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:36,493 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 128 transitions. [2024-11-08 12:23:36,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2024-11-08 12:23:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:36,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:36,499 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:36,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:36,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:36,700 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:36,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:36,701 INFO L85 PathProgramCache]: Analyzing trace with hash 579931216, now seen corresponding path program 1 times [2024-11-08 12:23:36,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:23:36,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797308133] [2024-11-08 12:23:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:36,703 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 [2024-11-08 12:23:36,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:23:36,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:23:36,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:37,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:23:37,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:23:37,434 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:23:37,435 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:23:37,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797308133] [2024-11-08 12:23:37,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797308133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:37,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:37,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 12:23:37,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211388419] [2024-11-08 12:23:37,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:37,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:23:37,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:23:37,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:23:37,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:23:37,439 INFO L87 Difference]: Start difference. First operand 92 states and 128 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:37,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:23:37,675 INFO L93 Difference]: Finished difference Result 184 states and 257 transitions. [2024-11-08 12:23:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:23:37,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-08 12:23:37,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:23:37,678 INFO L225 Difference]: With dead ends: 184 [2024-11-08 12:23:37,678 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 12:23:37,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:23:37,680 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 1 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:23:37,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 646 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 12:23:37,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 12:23:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2024-11-08 12:23:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 86 states have (on average 1.372093023255814) internal successors, (118), 86 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:23:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 130 transitions. [2024-11-08 12:23:37,690 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 130 transitions. Word has length 73 [2024-11-08 12:23:37,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:23:37,691 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 130 transitions. [2024-11-08 12:23:37,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2024-11-08 12:23:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:23:37,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:23:37,694 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:37,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 12:23:37,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:23:37,898 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:23:37,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:37,899 INFO L85 PathProgramCache]: Analyzing trace with hash 581778258, now seen corresponding path program 1 times [2024-11-08 12:23:37,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:23:37,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87813733] [2024-11-08 12:23:37,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:37,900 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 [2024-11-08 12:23:37,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:23:37,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:23:37,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 12:23:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:38,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:23:38,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:38,582 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-08 12:23:38,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 43 [2024-11-08 12:23:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:23:38,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:23:38,736 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:23:38,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87813733] [2024-11-08 12:23:38,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87813733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:38,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:38,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:23:38,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439148914] [2024-11-08 12:23:38,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:38,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:23:38,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:23:38,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:23:38,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:23:38,742 INFO L87 Difference]: Start difference. First operand 94 states and 130 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:23:43,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:46,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:50,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:52,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:56,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:23:59,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:24:00,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:24:00,468 INFO L93 Difference]: Finished difference Result 237 states and 328 transitions. [2024-11-08 12:24:00,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:24:00,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-08 12:24:00,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:24:00,472 INFO L225 Difference]: With dead ends: 237 [2024-11-08 12:24:00,472 INFO L226 Difference]: Without dead ends: 146 [2024-11-08 12:24:00,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:24:00,478 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 58 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2024-11-08 12:24:00,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 305 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 2 Unknown, 0 Unchecked, 21.6s Time] [2024-11-08 12:24:00,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-08 12:24:00,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 100. [2024-11-08 12:24:00,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 92 states have (on average 1.3804347826086956) internal successors, (127), 92 states have internal predecessors, (127), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 12:24:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 139 transitions. [2024-11-08 12:24:00,499 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 139 transitions. Word has length 73 [2024-11-08 12:24:00,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:24:00,502 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 139 transitions. [2024-11-08 12:24:00,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:24:00,503 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 139 transitions. [2024-11-08 12:24:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:24:00,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:24:00,505 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:24:00,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-08 12:24:00,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:24:00,706 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:24:00,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:24:00,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1006569644, now seen corresponding path program 1 times [2024-11-08 12:24:00,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:24:00,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432765335] [2024-11-08 12:24:00,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:00,707 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 [2024-11-08 12:24:00,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:24:00,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:24:00,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (7)] Waiting until timeout for monitored process [2024-11-08 12:24:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:01,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 12:24:01,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:24:02,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:24:05,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:24:07,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-11-08 12:24:09,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 43 [2024-11-08 12:24:11,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 69 [2024-11-08 12:24:11,444 INFO L349 Elim1Store]: treesize reduction 91, result has 11.7 percent of original size [2024-11-08 12:24:11,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 130 [2024-11-08 12:24:11,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 44 [2024-11-08 12:24:11,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 44 [2024-11-08 12:24:12,496 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-08 12:24:12,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 200 treesize of output 140 [2024-11-08 12:24:13,607 INFO L349 Elim1Store]: treesize reduction 57, result has 16.2 percent of original size [2024-11-08 12:24:13,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 266 treesize of output 169 [2024-11-08 12:24:14,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:14,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 359 treesize of output 215 [2024-11-08 12:24:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 12:24:16,651 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:24:35,936 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:24:35,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432765335] [2024-11-08 12:24:35,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432765335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:24:35,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062589187] [2024-11-08 12:24:35,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:24:35,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:24:35,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:24:35,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:24:35,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:24:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:24:36,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 12:24:36,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:24:36,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:24:38,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:24:39,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:24:41,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:24:42,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 63 [2024-11-08 12:24:43,025 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-08 12:24:43,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 116 [2024-11-08 12:24:43,308 INFO L349 Elim1Store]: treesize reduction 58, result has 21.6 percent of original size [2024-11-08 12:24:43,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 87 treesize of output 72 [2024-11-08 12:24:43,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 48 [2024-11-08 12:24:43,928 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-08 12:24:43,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 242 treesize of output 155 [2024-11-08 12:24:44,904 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-08 12:24:44,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 300 treesize of output 180 [2024-11-08 12:24:45,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:24:45,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 385 treesize of output 221 [2024-11-08 12:24:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 12:24:46,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:25:13,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062589187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:25:13,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:25:13,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2024-11-08 12:25:13,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990812959] [2024-11-08 12:25:13,563 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 12:25:13,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 12:25:13,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:25:13,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 12:25:13,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=372, Unknown=3, NotChecked=0, Total=462 [2024-11-08 12:25:13,565 INFO L87 Difference]: Start difference. First operand 100 states and 139 transitions. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 12:25:21,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:25,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:29,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:31,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:35,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:37,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:40,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:46,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:49,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:25:53,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:56,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:25:59,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:26:01,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:26:05,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:26:07,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:26:11,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:26:17,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:20,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:21,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:21,477 INFO L93 Difference]: Finished difference Result 353 states and 489 transitions. [2024-11-08 12:26:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:26:21,480 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 73 [2024-11-08 12:26:21,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:21,482 INFO L225 Difference]: With dead ends: 353 [2024-11-08 12:26:21,483 INFO L226 Difference]: Without dead ends: 256 [2024-11-08 12:26:21,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 176 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 51.8s TimeCoverageRelationStatistics Valid=182, Invalid=685, Unknown=3, NotChecked=0, Total=870 [2024-11-08 12:26:21,484 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 1080 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:21,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 799 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 999 Invalid, 2 Unknown, 0 Unchecked, 65.2s Time] [2024-11-08 12:26:21,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-08 12:26:21,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 137. [2024-11-08 12:26:21,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 121 states have (on average 1.3471074380165289) internal successors, (163), 121 states have internal predecessors, (163), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 12:26:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 187 transitions. [2024-11-08 12:26:21,517 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 187 transitions. Word has length 73 [2024-11-08 12:26:21,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:21,517 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 187 transitions. [2024-11-08 12:26:21,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-08 12:26:21,518 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2024-11-08 12:26:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:26:21,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:21,520 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:26:21,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 12:26:21,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (7)] Forceful destruction successful, exit code 0 [2024-11-08 12:26:21,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:26:21,921 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:21,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:21,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1004480084, now seen corresponding path program 1 times [2024-11-08 12:26:21,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:26:21,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214935674] [2024-11-08 12:26:21,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:21,922 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 [2024-11-08 12:26:21,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:26:21,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:26:21,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-08 12:26:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:22,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:26:22,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:22,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 26 [2024-11-08 12:26:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:26:22,532 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:26:22,532 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:26:22,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214935674] [2024-11-08 12:26:22,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214935674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:26:22,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:26:22,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:26:22,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764622354] [2024-11-08 12:26:22,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:26:22,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:26:22,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:26:22,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:26:22,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:26:22,535 INFO L87 Difference]: Start difference. First operand 137 states and 187 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:26:25,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:30,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:33,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:36,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:38,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:26:40,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:44,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:48,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:26:49,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:26:49,535 INFO L93 Difference]: Finished difference Result 319 states and 435 transitions. [2024-11-08 12:26:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:26:49,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-08 12:26:49,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:26:49,540 INFO L225 Difference]: With dead ends: 319 [2024-11-08 12:26:49,540 INFO L226 Difference]: Without dead ends: 185 [2024-11-08 12:26:49,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:26:49,542 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 54 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2024-11-08 12:26:49,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 373 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 2 Unknown, 0 Unchecked, 26.9s Time] [2024-11-08 12:26:49,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-08 12:26:49,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 137. [2024-11-08 12:26:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 121 states have (on average 1.3471074380165289) internal successors, (163), 121 states have internal predecessors, (163), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 12:26:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 187 transitions. [2024-11-08 12:26:49,568 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 187 transitions. Word has length 73 [2024-11-08 12:26:49,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:26:49,568 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 187 transitions. [2024-11-08 12:26:49,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:26:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2024-11-08 12:26:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:26:49,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:26:49,571 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:26:49,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-08 12:26:49,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:26:49,772 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:26:49,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:26:49,772 INFO L85 PathProgramCache]: Analyzing trace with hash -583867818, now seen corresponding path program 1 times [2024-11-08 12:26:49,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:26:49,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107719562] [2024-11-08 12:26:49,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:26:49,773 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 [2024-11-08 12:26:49,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:26:49,774 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:26:49,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (10)] Waiting until timeout for monitored process [2024-11-08 12:26:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:26:50,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 12:26:50,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:26:51,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 12:26:53,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:26:54,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-11-08 12:26:57,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2024-11-08 12:26:59,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 75 [2024-11-08 12:26:59,469 INFO L349 Elim1Store]: treesize reduction 99, result has 10.8 percent of original size [2024-11-08 12:26:59,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 144 [2024-11-08 12:27:00,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-08 12:27:00,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 13 [2024-11-08 12:27:04,740 INFO L349 Elim1Store]: treesize reduction 57, result has 16.2 percent of original size [2024-11-08 12:27:04,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 290 treesize of output 193 [2024-11-08 12:27:06,061 INFO L349 Elim1Store]: treesize reduction 65, result has 14.5 percent of original size [2024-11-08 12:27:06,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 364 treesize of output 226 [2024-11-08 12:27:08,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:08,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 465 treesize of output 277 [2024-11-08 12:27:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 12:27:17,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:27:23,660 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_318 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_54| (_ BitVec 32)) (v_ArrVal_314 (_ BitVec 32)) (~WrapperStruct00_var_1_11_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base v_ArrVal_315) c_~WrapperStruct00_var_1_14_Pointer~0.base (let ((.cse5 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset v_ArrVal_314)))) (store (select .cse5 c_~WrapperStruct00_var_1_14_Pointer~0.base) c_~WrapperStruct00_var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 c_~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_54|)) (let ((.cse0 (select (select .cse1 c_~WrapperStruct00_var_1_3_Pointer~0.base) c_~WrapperStruct00_var_1_3_Pointer~0.offset))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (let ((.cse2 (let ((.cse3 (select (select (let ((.cse4 (store .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |v_skolemized_q#valueAsBitvector_54|)))) (store .cse4 c_~WrapperStruct00_var_1_5_Pointer~0.base (store (select .cse4 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset v_ArrVal_318))) c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.eq .cse2 .cse2))))) is different from false [2024-11-08 12:27:23,954 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:27:23,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107719562] [2024-11-08 12:27:23,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107719562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:27:23,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098304812] [2024-11-08 12:27:23,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:27:23,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:27:23,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:27:23,958 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:27:23,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 12:27:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:27:24,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 12:27:24,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:27:25,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:27:28,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2024-11-08 12:27:29,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2024-11-08 12:27:32,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 31 [2024-11-08 12:27:34,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 51 [2024-11-08 12:27:34,824 INFO L349 Elim1Store]: treesize reduction 91, result has 11.7 percent of original size [2024-11-08 12:27:34,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 118 [2024-11-08 12:27:35,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 49 [2024-11-08 12:27:43,891 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-08 12:27:43,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 148 treesize of output 112 [2024-11-08 12:27:44,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:44,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 144 treesize of output 96 [2024-11-08 12:27:46,162 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:27:46,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 171 treesize of output 79 [2024-11-08 12:27:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 12:27:47,115 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:27:52,702 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_357 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_318 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_54| (_ BitVec 32)) (v_ArrVal_358 (_ BitVec 32)) (~WrapperStruct00_var_1_11_Pointer~0.offset (_ BitVec 32))) (let ((.cse1 (store (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base v_ArrVal_357) c_~WrapperStruct00_var_1_14_Pointer~0.base (let ((.cse5 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset v_ArrVal_358)))) (store (select .cse5 c_~WrapperStruct00_var_1_14_Pointer~0.base) c_~WrapperStruct00_var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 c_~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_54|)) (let ((.cse0 (select (select .cse1 c_~WrapperStruct00_var_1_3_Pointer~0.base) c_~WrapperStruct00_var_1_3_Pointer~0.offset))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (let ((.cse2 (let ((.cse3 (select (select (let ((.cse4 (store .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |v_skolemized_q#valueAsBitvector_54|)))) (store .cse4 c_~WrapperStruct00_var_1_5_Pointer~0.base (store (select .cse4 c_~WrapperStruct00_var_1_5_Pointer~0.base) c_~WrapperStruct00_var_1_5_Pointer~0.offset v_ArrVal_318))) c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.eq .cse2 .cse2))))) is different from false [2024-11-08 12:27:52,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098304812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:27:52,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:27:52,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-11-08 12:27:52,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870983712] [2024-11-08 12:27:52,984 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 12:27:52,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-08 12:27:52,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:27:52,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-08 12:27:52,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=757, Unknown=5, NotChecked=114, Total=992 [2024-11-08 12:27:52,988 INFO L87 Difference]: Start difference. First operand 137 states and 187 transitions. Second operand has 25 states, 25 states have (on average 3.44) internal successors, (86), 24 states have internal predecessors, (86), 6 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-08 12:28:08,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:12,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:17,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:22,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:27,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:29,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:33,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:36,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:41,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:53,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:28:58,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:01,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:05,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:06,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:08,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:11,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:16,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:20,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:23,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:27,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:29,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:33,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:37,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:40,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:41,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:51,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:54,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:29:55,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:29:55,382 INFO L93 Difference]: Finished difference Result 394 states and 539 transitions. [2024-11-08 12:29:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:29:55,386 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.44) internal successors, (86), 24 states have internal predecessors, (86), 6 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 73 [2024-11-08 12:29:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:29:55,387 INFO L225 Difference]: With dead ends: 394 [2024-11-08 12:29:55,388 INFO L226 Difference]: Without dead ends: 260 [2024-11-08 12:29:55,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 168 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=269, Invalid=1294, Unknown=5, NotChecked=154, Total=1722 [2024-11-08 12:29:55,390 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 957 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 84 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 113.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:29:55,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 984 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1202 Invalid, 14 Unknown, 0 Unchecked, 114.4s Time] [2024-11-08 12:29:55,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-08 12:29:55,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 143. [2024-11-08 12:29:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 126 states have internal predecessors, (168), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 12:29:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 192 transitions. [2024-11-08 12:29:55,442 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 192 transitions. Word has length 73 [2024-11-08 12:29:55,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:29:55,442 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 192 transitions. [2024-11-08 12:29:55,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.44) internal successors, (86), 24 states have internal predecessors, (86), 6 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-08 12:29:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 192 transitions. [2024-11-08 12:29:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 12:29:55,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:29:55,446 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:29:55,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (10)] Ended with exit code 0 [2024-11-08 12:29:55,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 12:29:55,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:29:55,849 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:29:55,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:55,850 INFO L85 PathProgramCache]: Analyzing trace with hash -52629486, now seen corresponding path program 1 times [2024-11-08 12:29:55,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:29:55,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277745083] [2024-11-08 12:29:55,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:55,851 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 [2024-11-08 12:29:55,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:29:55,852 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:29:55,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (12)] Waiting until timeout for monitored process [2024-11-08 12:29:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:56,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:29:56,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:29:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:29:56,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:29:56,312 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:29:56,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277745083] [2024-11-08 12:29:56,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277745083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:29:56,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:29:56,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:29:56,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728158598] [2024-11-08 12:29:56,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:29:56,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:29:56,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:29:56,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:29:56,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:29:56,315 INFO L87 Difference]: Start difference. First operand 143 states and 192 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:29:56,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:29:56,413 INFO L93 Difference]: Finished difference Result 283 states and 381 transitions. [2024-11-08 12:29:56,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:29:56,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-08 12:29:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:29:56,416 INFO L225 Difference]: With dead ends: 283 [2024-11-08 12:29:56,416 INFO L226 Difference]: Without dead ends: 143 [2024-11-08 12:29:56,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:29:56,418 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 12:29:56,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 12:29:56,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-08 12:29:56,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-08 12:29:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 126 states have (on average 1.3253968253968254) internal successors, (167), 126 states have internal predecessors, (167), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 12:29:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 191 transitions. [2024-11-08 12:29:56,443 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 191 transitions. Word has length 73 [2024-11-08 12:29:56,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:29:56,444 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 191 transitions. [2024-11-08 12:29:56,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:29:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2024-11-08 12:29:56,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 12:29:56,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:29:56,446 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:29:56,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (12)] Forceful destruction successful, exit code 0 [2024-11-08 12:29:56,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:29:56,647 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:29:56,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:29:56,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1134772659, now seen corresponding path program 1 times [2024-11-08 12:29:56,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:29:56,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092725154] [2024-11-08 12:29:56,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:29:56,648 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 [2024-11-08 12:29:56,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:29:56,650 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:29:56,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (13)] Waiting until timeout for monitored process [2024-11-08 12:29:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:29:57,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 12:29:57,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:30:01,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-08 12:30:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 12:30:01,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:30:02,059 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_422 (Array (_ BitVec 32) (_ BitVec 32))) (~WrapperStruct00_var_1_11_Pointer~0.offset (_ BitVec 32))) (not (= ((_ extract 7 0) (select (select (store (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base v_ArrVal_422) c_~WrapperStruct00_var_1_14_Pointer~0.base (let ((.cse0 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int#1| c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset))))))) (store (select .cse0 c_~WrapperStruct00_var_1_14_Pointer~0.base) c_~WrapperStruct00_var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))) c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset)) (_ bv0 8)))) is different from false [2024-11-08 12:30:02,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:30:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092725154] [2024-11-08 12:30:02,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092725154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:30:02,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455513017] [2024-11-08 12:30:02,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:30:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:30:02,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:30:02,265 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:30:02,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 12:30:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:02,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 12:30:02,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:30:06,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-08 12:30:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 12:30:06,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:30:06,395 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_454 (Array (_ BitVec 32) (_ BitVec 32))) (~WrapperStruct00_var_1_11_Pointer~0.offset (_ BitVec 32))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base v_ArrVal_454) c_~WrapperStruct00_var_1_14_Pointer~0.base (let ((.cse0 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select |c_#memory_int#1| c_~WrapperStruct00_var_1_13_Pointer~0.base) c_~WrapperStruct00_var_1_13_Pointer~0.offset))))))) (store (select .cse0 c_~WrapperStruct00_var_1_14_Pointer~0.base) c_~WrapperStruct00_var_1_14_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 c_~WrapperStruct00_var_1_11_Pointer~0.base) ~WrapperStruct00_var_1_11_Pointer~0.offset)))))) c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset))))) is different from false [2024-11-08 12:30:07,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455513017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:30:07,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:30:07,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2024-11-08 12:30:07,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732231378] [2024-11-08 12:30:07,054 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 12:30:07,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 12:30:07,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:30:07,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 12:30:07,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=169, Unknown=2, NotChecked=54, Total=272 [2024-11-08 12:30:07,056 INFO L87 Difference]: Start difference. First operand 143 states and 191 transitions. Second operand has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-08 12:30:13,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:30:16,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:30:19,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:30:23,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:30:28,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:30:30,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:30:30,206 INFO L93 Difference]: Finished difference Result 347 states and 453 transitions. [2024-11-08 12:30:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:30:30,207 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-08 12:30:30,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:30:30,209 INFO L225 Difference]: With dead ends: 347 [2024-11-08 12:30:30,210 INFO L226 Difference]: Without dead ends: 207 [2024-11-08 12:30:30,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 187 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=148, Invalid=508, Unknown=2, NotChecked=98, Total=756 [2024-11-08 12:30:30,212 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 135 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2024-11-08 12:30:30,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 583 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 586 Invalid, 1 Unknown, 0 Unchecked, 21.3s Time] [2024-11-08 12:30:30,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-08 12:30:30,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 175. [2024-11-08 12:30:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 151 states have (on average 1.2847682119205297) internal successors, (194), 152 states have internal predecessors, (194), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 12:30:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 226 transitions. [2024-11-08 12:30:30,244 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 226 transitions. Word has length 74 [2024-11-08 12:30:30,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:30:30,245 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 226 transitions. [2024-11-08 12:30:30,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-08 12:30:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 226 transitions. [2024-11-08 12:30:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 12:30:30,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:30:30,247 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:30:30,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-08 12:30:30,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (13)] Forceful destruction successful, exit code 0 [2024-11-08 12:30:30,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:30:30,647 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:30:30,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:30:30,648 INFO L85 PathProgramCache]: Analyzing trace with hash 744109924, now seen corresponding path program 1 times [2024-11-08 12:30:30,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:30:30,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415506861] [2024-11-08 12:30:30,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:30:30,649 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 [2024-11-08 12:30:30,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:30:30,651 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:30:30,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (15)] Waiting until timeout for monitored process [2024-11-08 12:30:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:30:31,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 12:30:31,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:30:32,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:30:34,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:30:36,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-11-08 12:30:39,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2024-11-08 12:30:42,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 75 [2024-11-08 12:30:42,616 INFO L349 Elim1Store]: treesize reduction 99, result has 10.8 percent of original size [2024-11-08 12:30:42,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 144 [2024-11-08 12:30:42,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2024-11-08 12:30:43,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 235 [2024-11-08 12:30:44,062 INFO L349 Elim1Store]: treesize reduction 57, result has 16.2 percent of original size [2024-11-08 12:30:44,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 284 treesize of output 253 [2024-11-08 12:30:45,707 INFO L349 Elim1Store]: treesize reduction 65, result has 14.5 percent of original size [2024-11-08 12:30:45,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 316 treesize of output 202 [2024-11-08 12:30:50,144 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:30:50,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 442 treesize of output 266 [2024-11-08 12:30:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 12:30:59,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:31:27,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:31:27,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415506861] [2024-11-08 12:31:27,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415506861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:31:27,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782117274] [2024-11-08 12:31:27,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:31:27,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:31:27,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:31:27,608 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:31:27,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 12:31:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:31:28,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 12:31:28,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:31:28,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:31:32,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2024-11-08 12:31:33,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2024-11-08 12:31:35,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2024-11-08 12:31:37,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45 [2024-11-08 12:31:37,440 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-08 12:31:37,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 104 [2024-11-08 12:31:37,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 34 [2024-11-08 12:31:42,593 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-08 12:31:42,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 147 treesize of output 108 [2024-11-08 12:31:43,955 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-08 12:31:43,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 191 treesize of output 127 [2024-11-08 12:31:46,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:31:46,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 262 treesize of output 162 [2024-11-08 12:31:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 12:31:50,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:32:20,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782117274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:32:20,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:32:20,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 22 [2024-11-08 12:32:20,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158066197] [2024-11-08 12:32:20,669 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 12:32:20,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 12:32:20,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:32:20,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 12:32:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=672, Unknown=7, NotChecked=0, Total=812 [2024-11-08 12:32:20,672 INFO L87 Difference]: Start difference. First operand 175 states and 226 transitions. Second operand has 23 states, 23 states have (on average 3.782608695652174) internal successors, (87), 22 states have internal predecessors, (87), 5 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-08 12:32:35,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:32:38,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:32:42,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:32:48,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:32:57,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:32:59,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:33:05,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:33:09,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:33:11,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:33:13,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:33:18,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:33:21,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:33:22,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:33:22,587 INFO L93 Difference]: Finished difference Result 370 states and 481 transitions. [2024-11-08 12:33:22,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:33:22,595 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.782608695652174) internal successors, (87), 22 states have internal predecessors, (87), 5 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 74 [2024-11-08 12:33:22,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:33:22,602 INFO L225 Difference]: With dead ends: 370 [2024-11-08 12:33:22,602 INFO L226 Difference]: Without dead ends: 225 [2024-11-08 12:33:22,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 172 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 77.8s TimeCoverageRelationStatistics Valid=289, Invalid=1186, Unknown=7, NotChecked=0, Total=1482 [2024-11-08 12:33:22,605 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 696 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 46 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.0s IncrementalHoareTripleChecker+Time [2024-11-08 12:33:22,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 663 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 875 Invalid, 9 Unknown, 0 Unchecked, 55.0s Time] [2024-11-08 12:33:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-08 12:33:22,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 175. [2024-11-08 12:33:22,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 151 states have (on average 1.2847682119205297) internal successors, (194), 152 states have internal predecessors, (194), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 12:33:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 226 transitions. [2024-11-08 12:33:22,668 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 226 transitions. Word has length 74 [2024-11-08 12:33:22,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:33:22,668 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 226 transitions. [2024-11-08 12:33:22,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.782608695652174) internal successors, (87), 22 states have internal predecessors, (87), 5 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-08 12:33:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 226 transitions. [2024-11-08 12:33:22,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 12:33:22,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:33:22,682 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:33:22,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (15)] Ended with exit code 0 [2024-11-08 12:33:22,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-08 12:33:23,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:33:23,086 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:33:23,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:33:23,087 INFO L85 PathProgramCache]: Analyzing trace with hash -844237978, now seen corresponding path program 1 times [2024-11-08 12:33:23,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:33:23,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78077970] [2024-11-08 12:33:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:33:23,088 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 [2024-11-08 12:33:23,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:33:23,093 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:33:23,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (17)] Waiting until timeout for monitored process [2024-11-08 12:33:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:33:23,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 12:33:23,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:33:24,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:33:28,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:33:30,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:33:32,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:33:35,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 63 [2024-11-08 12:33:35,129 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-08 12:33:35,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 116 [2024-11-08 12:33:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:33:35,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 18 [2024-11-08 12:33:35,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 195 [2024-11-08 12:33:36,056 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-08 12:33:36,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 244 treesize of output 211 [2024-11-08 12:33:37,494 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-08 12:33:37,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 300 treesize of output 180 [2024-11-08 12:33:42,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:33:42,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 431 treesize of output 243 [2024-11-08 12:33:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 12:33:44,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:34:54,621 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:34:54,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78077970] [2024-11-08 12:34:54,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78077970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:34:54,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941066517] [2024-11-08 12:34:54,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:34:54,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:34:54,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:34:54,624 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:34:54,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 12:34:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:34:55,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 12:34:55,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:34:56,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:34:59,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:35:01,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:35:03,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-11-08 12:35:05,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 63 [2024-11-08 12:35:05,554 INFO L349 Elim1Store]: treesize reduction 83, result has 12.6 percent of original size [2024-11-08 12:35:05,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 116 [2024-11-08 12:35:05,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 50 [2024-11-08 12:35:06,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 195 [2024-11-08 12:35:06,234 INFO L349 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2024-11-08 12:35:06,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 244 treesize of output 211 [2024-11-08 12:35:07,382 INFO L349 Elim1Store]: treesize reduction 49, result has 18.3 percent of original size [2024-11-08 12:35:07,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 300 treesize of output 180 [2024-11-08 12:35:10,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:35:10,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 431 treesize of output 243 [2024-11-08 12:35:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 12:35:11,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:36:45,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941066517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:36:45,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 12:36:45,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 18 [2024-11-08 12:36:45,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137939968] [2024-11-08 12:36:45,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 12:36:45,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 12:36:45,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:36:45,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 12:36:45,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=968, Unknown=8, NotChecked=0, Total=1190 [2024-11-08 12:36:45,627 INFO L87 Difference]: Start difference. First operand 175 states and 226 transitions. Second operand has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-08 12:36:56,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:00,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:15,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:20,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:25,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:29,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:37:32,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:36,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:40,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:37:48,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:50,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:37:54,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:56,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:37:56,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:37:56,875 INFO L93 Difference]: Finished difference Result 376 states and 487 transitions. [2024-11-08 12:37:56,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 12:37:56,879 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 74 [2024-11-08 12:37:56,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:37:56,881 INFO L225 Difference]: With dead ends: 376 [2024-11-08 12:37:56,881 INFO L226 Difference]: Without dead ends: 231 [2024-11-08 12:37:56,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 166 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 176.0s TimeCoverageRelationStatistics Valid=476, Invalid=1868, Unknown=8, NotChecked=0, Total=2352 [2024-11-08 12:37:56,883 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 396 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 31 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.5s IncrementalHoareTripleChecker+Time [2024-11-08 12:37:56,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 783 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1086 Invalid, 6 Unknown, 0 Unchecked, 62.5s Time] [2024-11-08 12:37:56,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-08 12:37:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 183. [2024-11-08 12:37:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 159 states have (on average 1.2893081761006289) internal successors, (205), 160 states have internal predecessors, (205), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 12:37:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 237 transitions. [2024-11-08 12:37:56,920 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 237 transitions. Word has length 74 [2024-11-08 12:37:56,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:37:56,920 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 237 transitions. [2024-11-08 12:37:56,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-08 12:37:56,921 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 237 transitions. [2024-11-08 12:37:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 12:37:56,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:37:56,925 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:37:56,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (17)] Forceful destruction successful, exit code 0 [2024-11-08 12:37:57,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-08 12:37:57,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:37:57,326 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:37:57,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:37:57,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1262983735, now seen corresponding path program 1 times [2024-11-08 12:37:57,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:37:57,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259447554] [2024-11-08 12:37:57,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:37:57,327 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 [2024-11-08 12:37:57,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:37:57,331 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:37:57,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (19)] Waiting until timeout for monitored process [2024-11-08 12:37:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:37:57,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:37:57,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:37:57,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-08 12:37:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:37:57,952 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:37:57,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 12:37:57,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259447554] [2024-11-08 12:37:57,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259447554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:37:57,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:37:57,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 12:37:57,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67496450] [2024-11-08 12:37:57,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:37:57,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:37:57,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 12:37:57,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:37:57,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:37:57,955 INFO L87 Difference]: Start difference. First operand 183 states and 237 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:38:01,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:38:05,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:38:08,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 12:38:09,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:38:09,276 INFO L93 Difference]: Finished difference Result 336 states and 432 transitions. [2024-11-08 12:38:09,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:38:09,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 75 [2024-11-08 12:38:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:38:09,279 INFO L225 Difference]: With dead ends: 336 [2024-11-08 12:38:09,279 INFO L226 Difference]: Without dead ends: 183 [2024-11-08 12:38:09,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:38:09,281 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 5 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:38:09,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 270 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-11-08 12:38:09,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-08 12:38:09,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2024-11-08 12:38:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 156 states have (on average 1.2564102564102564) internal successors, (196), 157 states have internal predecessors, (196), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 12:38:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions. [2024-11-08 12:38:09,322 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 75 [2024-11-08 12:38:09,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:38:09,323 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions. [2024-11-08 12:38:09,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-08 12:38:09,323 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2024-11-08 12:38:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 12:38:09,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:38:09,325 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:38:09,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (19)] Ended with exit code 0 [2024-11-08 12:38:09,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 12:38:09,529 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:38:09,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:38:09,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1938047022, now seen corresponding path program 1 times [2024-11-08 12:38:09,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 12:38:09,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517505641] [2024-11-08 12:38:09,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:38:09,531 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 [2024-11-08 12:38:09,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 12:38:09,532 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 12:38:09,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f63e6ef-51e7-4057-8a12-1208d6d2d64d/bin/uautomizer-verify-jihMAELWvX/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 (20)] Waiting until timeout for monitored process [2024-11-08 12:38:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:38:10,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 12:38:10,032 INFO L278 TraceCheckSpWp]: Computing forward predicates...