./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya --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 8107c0950a870cc29b997c6f0f9031935a5c6964463abd6d158718f97c83e768 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:41:13,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:41:13,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:41:13,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:41:13,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:41:13,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:41:13,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:41:13,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:41:13,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:41:13,910 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:41:13,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:41:13,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:41:13,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:41:13,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:41:13,913 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:41:13,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:41:13,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:41:13,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:41:13,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:41:13,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:41:13,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:41:13,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:41:13,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:41:13,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:41:13,921 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:41:13,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:41:13,921 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:41:13,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:41:13,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:41:13,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:41:13,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:41:13,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:41:13,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:41:13,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:41:13,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:41:13,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:41:13,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:41:13,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:41:13,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:41:13,926 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:41:13,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:41:13,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:41:13,927 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_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8107c0950a870cc29b997c6f0f9031935a5c6964463abd6d158718f97c83e768 [2023-11-29 01:41:14,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:41:14,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:41:14,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:41:14,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:41:14,199 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:41:14,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i [2023-11-29 01:41:16,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:41:17,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:41:17,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i [2023-11-29 01:41:17,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/data/5745b2c63/368b2ee81cb544dfad42301db24371c8/FLAGc63f45856 [2023-11-29 01:41:17,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/data/5745b2c63/368b2ee81cb544dfad42301db24371c8 [2023-11-29 01:41:17,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:41:17,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:41:17,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:41:17,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:41:17,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:41:17,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:17,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62aea240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17, skipping insertion in model container [2023-11-29 01:41:17,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:17,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:41:17,743 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i[919,932] [2023-11-29 01:41:17,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:41:17,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:41:17,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i[919,932] [2023-11-29 01:41:17,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:41:17,901 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:41:17,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17 WrapperNode [2023-11-29 01:41:17,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:41:17,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:41:17,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:41:17,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:41:17,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:17,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:17,965 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2023-11-29 01:41:17,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:41:17,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:41:17,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:41:17,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:41:17,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:17,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:17,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:18,002 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 01:41:18,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:18,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:18,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:18,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:18,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:18,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:18,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:41:18,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:41:18,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:41:18,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:41:18,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (1/1) ... [2023-11-29 01:41:18,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:41:18,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:18,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:41:18,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:41:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:41:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:41:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:41:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:41:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:41:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:41:18,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:41:18,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:41:18,610 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:41:18,666 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:41:18,666 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:41:18,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:41:18 BoogieIcfgContainer [2023-11-29 01:41:18,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:41:18,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:41:18,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:41:18,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:41:18,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:41:17" (1/3) ... [2023-11-29 01:41:18,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2189f833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:41:18, skipping insertion in model container [2023-11-29 01:41:18,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:17" (2/3) ... [2023-11-29 01:41:18,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2189f833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:41:18, skipping insertion in model container [2023-11-29 01:41:18,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:41:18" (3/3) ... [2023-11-29 01:41:18,677 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i [2023-11-29 01:41:18,699 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:41:18,699 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:41:18,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:41:18,762 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@3c67fb9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:41:18,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:41:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 59 states have internal predecessors, (90), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 01:41:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 01:41:18,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:18,782 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:18,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:18,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:18,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1781171136, now seen corresponding path program 1 times [2023-11-29 01:41:18,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:18,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699550044] [2023-11-29 01:41:18,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:18,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:19,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:19,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699550044] [2023-11-29 01:41:19,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:41:19,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450667499] [2023-11-29 01:41:19,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:19,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:19,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:19,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:19,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:41:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:19,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:41:19,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-29 01:41:19,300 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:19,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450667499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:19,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:19,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:41:19,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250225212] [2023-11-29 01:41:19,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:19,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:41:19,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:19,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:41:19,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:41:19,337 INFO L87 Difference]: Start difference. First operand has 87 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 59 states have internal predecessors, (90), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 01:41:19,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:19,388 INFO L93 Difference]: Finished difference Result 171 states and 308 transitions. [2023-11-29 01:41:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:41:19,392 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2023-11-29 01:41:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:19,401 INFO L225 Difference]: With dead ends: 171 [2023-11-29 01:41:19,402 INFO L226 Difference]: Without dead ends: 85 [2023-11-29 01:41:19,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:41:19,410 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:19,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:41:19,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-29 01:41:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-29 01:41:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 57 states have internal predecessors, (84), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 01:41:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 136 transitions. [2023-11-29 01:41:19,467 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 136 transitions. Word has length 168 [2023-11-29 01:41:19,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:19,468 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 136 transitions. [2023-11-29 01:41:19,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 01:41:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2023-11-29 01:41:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 01:41:19,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:19,474 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:19,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:41:19,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 01:41:19,675 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:19,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:19,676 INFO L85 PathProgramCache]: Analyzing trace with hash -13724936, now seen corresponding path program 1 times [2023-11-29 01:41:19,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:19,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597212109] [2023-11-29 01:41:19,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:19,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:19,751 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:19,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135992248] [2023-11-29 01:41:19,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:19,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:19,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:19,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:19,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:41:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:19,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:41:19,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:41:20,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:20,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:20,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597212109] [2023-11-29 01:41:20,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:20,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135992248] [2023-11-29 01:41:20,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135992248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:20,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:20,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:41:20,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029958568] [2023-11-29 01:41:20,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:20,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:41:20,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:20,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:41:20,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:41:20,015 INFO L87 Difference]: Start difference. First operand 85 states and 136 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:20,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:20,073 INFO L93 Difference]: Finished difference Result 202 states and 319 transitions. [2023-11-29 01:41:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:41:20,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2023-11-29 01:41:20,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:20,079 INFO L225 Difference]: With dead ends: 202 [2023-11-29 01:41:20,079 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 01:41:20,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:41:20,083 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 50 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 276 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 [2023-11-29 01:41:20,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 276 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:41:20,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 01:41:20,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-11-29 01:41:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 01:41:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 181 transitions. [2023-11-29 01:41:20,108 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 181 transitions. Word has length 168 [2023-11-29 01:41:20,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:20,110 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 181 transitions. [2023-11-29 01:41:20,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 181 transitions. [2023-11-29 01:41:20,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 01:41:20,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:20,115 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:20,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 01:41:20,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:20,321 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:20,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:20,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1300837368, now seen corresponding path program 1 times [2023-11-29 01:41:20,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:20,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044000248] [2023-11-29 01:41:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:20,380 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:20,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429307250] [2023-11-29 01:41:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:20,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:20,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:20,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:20,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:41:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:20,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:41:20,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-29 01:41:20,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:41:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 01:41:21,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:21,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044000248] [2023-11-29 01:41:21,144 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:21,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429307250] [2023-11-29 01:41:21,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429307250] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:41:21,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:41:21,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 01:41:21,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423359824] [2023-11-29 01:41:21,145 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:41:21,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:41:21,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:21,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:41:21,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:41:21,148 INFO L87 Difference]: Start difference. First operand 115 states and 181 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-29 01:41:21,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:21,434 INFO L93 Difference]: Finished difference Result 248 states and 383 transitions. [2023-11-29 01:41:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:41:21,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 168 [2023-11-29 01:41:21,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:21,440 INFO L225 Difference]: With dead ends: 248 [2023-11-29 01:41:21,440 INFO L226 Difference]: Without dead ends: 134 [2023-11-29 01:41:21,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 328 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:41:21,443 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 110 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:21,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 260 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:41:21,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-29 01:41:21,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 131. [2023-11-29 01:41:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 90 states have internal predecessors, (122), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 01:41:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 198 transitions. [2023-11-29 01:41:21,469 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 198 transitions. Word has length 168 [2023-11-29 01:41:21,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:21,469 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 198 transitions. [2023-11-29 01:41:21,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-29 01:41:21,470 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 198 transitions. [2023-11-29 01:41:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 01:41:21,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:21,474 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:21,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:41:21,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:21,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:21,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:21,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1219122566, now seen corresponding path program 1 times [2023-11-29 01:41:21,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:21,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933424139] [2023-11-29 01:41:21,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:21,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:21,734 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:21,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000207338] [2023-11-29 01:41:21,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:21,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:21,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:21,736 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:21,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:41:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:21,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:41:21,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 603 proven. 24 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2023-11-29 01:41:22,019 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:41:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 51 proven. 24 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 01:41:22,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:22,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933424139] [2023-11-29 01:41:22,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:22,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000207338] [2023-11-29 01:41:22,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000207338] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:41:22,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:41:22,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 01:41:22,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524585513] [2023-11-29 01:41:22,213 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:41:22,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:41:22,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:22,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:41:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:41:22,215 INFO L87 Difference]: Start difference. First operand 131 states and 198 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-29 01:41:22,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:22,547 INFO L93 Difference]: Finished difference Result 259 states and 387 transitions. [2023-11-29 01:41:22,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:41:22,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 168 [2023-11-29 01:41:22,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:22,551 INFO L225 Difference]: With dead ends: 259 [2023-11-29 01:41:22,551 INFO L226 Difference]: Without dead ends: 137 [2023-11-29 01:41:22,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:41:22,553 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 217 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:22,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 209 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:41:22,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-29 01:41:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2023-11-29 01:41:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 93 states have internal predecessors, (122), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 01:41:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 198 transitions. [2023-11-29 01:41:22,578 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 198 transitions. Word has length 168 [2023-11-29 01:41:22,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:22,579 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 198 transitions. [2023-11-29 01:41:22,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-29 01:41:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 198 transitions. [2023-11-29 01:41:22,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 01:41:22,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:22,582 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:22,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 01:41:22,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:22,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:22,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:22,784 INFO L85 PathProgramCache]: Analyzing trace with hash 641175212, now seen corresponding path program 1 times [2023-11-29 01:41:22,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:22,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655974535] [2023-11-29 01:41:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:22,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:22,827 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:22,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302452753] [2023-11-29 01:41:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:22,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:22,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:22,829 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:22,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:41:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:22,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:41:22,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-11-29 01:41:23,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:41:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 63 proven. 12 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 01:41:23,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:23,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655974535] [2023-11-29 01:41:23,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:23,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302452753] [2023-11-29 01:41:23,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302452753] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:41:23,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:41:23,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 01:41:23,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107730289] [2023-11-29 01:41:23,247 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:41:23,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:41:23,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:23,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:41:23,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:41:23,249 INFO L87 Difference]: Start difference. First operand 135 states and 198 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-29 01:41:23,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:23,481 INFO L93 Difference]: Finished difference Result 267 states and 387 transitions. [2023-11-29 01:41:23,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:41:23,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 169 [2023-11-29 01:41:23,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:23,484 INFO L225 Difference]: With dead ends: 267 [2023-11-29 01:41:23,484 INFO L226 Difference]: Without dead ends: 141 [2023-11-29 01:41:23,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:41:23,486 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 89 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:23,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 221 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:41:23,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-29 01:41:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2023-11-29 01:41:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 94 states have (on average 1.3085106382978724) internal successors, (123), 96 states have internal predecessors, (123), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 01:41:23,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 199 transitions. [2023-11-29 01:41:23,511 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 199 transitions. Word has length 169 [2023-11-29 01:41:23,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:23,512 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 199 transitions. [2023-11-29 01:41:23,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-11-29 01:41:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 199 transitions. [2023-11-29 01:41:23,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 01:41:23,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:23,515 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:23,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:41:23,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:23,717 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:23,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:23,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1917305303, now seen corresponding path program 1 times [2023-11-29 01:41:23,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:23,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136937485] [2023-11-29 01:41:23,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:23,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:23,758 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:23,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889125518] [2023-11-29 01:41:23,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:23,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:23,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:23,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:23,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:41:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:23,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:41:23,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 543 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 01:41:24,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:41:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 01:41:24,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:24,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136937485] [2023-11-29 01:41:24,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:24,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889125518] [2023-11-29 01:41:24,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889125518] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:41:24,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:41:24,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 01:41:24,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136092890] [2023-11-29 01:41:24,349 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:41:24,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:41:24,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:24,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:41:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:41:24,351 INFO L87 Difference]: Start difference. First operand 139 states and 199 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-11-29 01:41:24,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:24,671 INFO L93 Difference]: Finished difference Result 278 states and 388 transitions. [2023-11-29 01:41:24,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:41:24,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 170 [2023-11-29 01:41:24,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:24,676 INFO L225 Difference]: With dead ends: 278 [2023-11-29 01:41:24,676 INFO L226 Difference]: Without dead ends: 125 [2023-11-29 01:41:24,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 331 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:41:24,678 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 220 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:24,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 329 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:41:24,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-29 01:41:24,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2023-11-29 01:41:24,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.2125) internal successors, (97), 81 states have internal predecessors, (97), 33 states have call successors, (33), 8 states have call predecessors, (33), 8 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 01:41:24,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2023-11-29 01:41:24,696 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 163 transitions. Word has length 170 [2023-11-29 01:41:24,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:24,697 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 163 transitions. [2023-11-29 01:41:24,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-11-29 01:41:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 163 transitions. [2023-11-29 01:41:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 01:41:24,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:24,700 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:24,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:41:24,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:24,901 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:24,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:24,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1749728739, now seen corresponding path program 1 times [2023-11-29 01:41:24,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:24,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388919183] [2023-11-29 01:41:24,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:24,939 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:24,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039127819] [2023-11-29 01:41:24,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:24,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:24,941 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:24,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:41:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:25,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:41:25,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:41:25,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:25,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:25,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388919183] [2023-11-29 01:41:25,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:25,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039127819] [2023-11-29 01:41:25,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039127819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:25,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:25,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:41:25,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794358279] [2023-11-29 01:41:25,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:25,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:41:25,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:25,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:41:25,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:41:25,169 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:25,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:25,227 INFO L93 Difference]: Finished difference Result 318 states and 433 transitions. [2023-11-29 01:41:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:41:25,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2023-11-29 01:41:25,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:25,231 INFO L225 Difference]: With dead ends: 318 [2023-11-29 01:41:25,231 INFO L226 Difference]: Without dead ends: 220 [2023-11-29 01:41:25,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:41:25,232 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 115 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:25,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 231 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:41:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-29 01:41:25,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 126. [2023-11-29 01:41:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 85 states have internal predecessors, (102), 33 states have call successors, (33), 8 states have call predecessors, (33), 8 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 01:41:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 168 transitions. [2023-11-29 01:41:25,256 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 168 transitions. Word has length 171 [2023-11-29 01:41:25,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:25,257 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 168 transitions. [2023-11-29 01:41:25,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 168 transitions. [2023-11-29 01:41:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-29 01:41:25,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:25,260 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:25,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 01:41:25,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:25,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:25,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:25,462 INFO L85 PathProgramCache]: Analyzing trace with hash -316215937, now seen corresponding path program 1 times [2023-11-29 01:41:25,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:25,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959944548] [2023-11-29 01:41:25,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:25,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:25,498 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:25,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67445528] [2023-11-29 01:41:25,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:25,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:25,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:25,500 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:25,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:41:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:25,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:41:25,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 673 proven. 39 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-29 01:41:25,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:41:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:41:25,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:25,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959944548] [2023-11-29 01:41:25,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:25,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67445528] [2023-11-29 01:41:25,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67445528] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 01:41:25,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:41:25,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-29 01:41:25,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308277280] [2023-11-29 01:41:25,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:25,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:41:25,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:25,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:41:25,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:41:25,984 INFO L87 Difference]: Start difference. First operand 126 states and 168 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:26,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:26,042 INFO L93 Difference]: Finished difference Result 229 states and 310 transitions. [2023-11-29 01:41:26,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:41:26,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2023-11-29 01:41:26,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:26,045 INFO L225 Difference]: With dead ends: 229 [2023-11-29 01:41:26,045 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 01:41:26,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:41:26,046 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:26,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:41:26,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 01:41:26,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-29 01:41:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 85 states have (on average 1.2117647058823529) internal successors, (103), 86 states have internal predecessors, (103), 33 states have call successors, (33), 8 states have call predecessors, (33), 8 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-29 01:41:26,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 169 transitions. [2023-11-29 01:41:26,067 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 169 transitions. Word has length 172 [2023-11-29 01:41:26,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:26,068 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 169 transitions. [2023-11-29 01:41:26,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 169 transitions. [2023-11-29 01:41:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 01:41:26,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:26,070 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:26,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 01:41:26,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:26,273 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:26,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:26,274 INFO L85 PathProgramCache]: Analyzing trace with hash 175632654, now seen corresponding path program 1 times [2023-11-29 01:41:26,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:26,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014632662] [2023-11-29 01:41:26,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:26,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:26,308 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:26,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033823131] [2023-11-29 01:41:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:26,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:26,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:26,310 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:26,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:41:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:26,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 01:41:26,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:41:27,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:27,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:27,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014632662] [2023-11-29 01:41:27,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:27,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033823131] [2023-11-29 01:41:27,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033823131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:27,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:27,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:41:27,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045965050] [2023-11-29 01:41:27,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:27,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:41:27,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:27,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:41:27,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:41:27,193 INFO L87 Difference]: Start difference. First operand 127 states and 169 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:27,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:27,374 INFO L93 Difference]: Finished difference Result 330 states and 446 transitions. [2023-11-29 01:41:27,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:41:27,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2023-11-29 01:41:27,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:27,378 INFO L225 Difference]: With dead ends: 330 [2023-11-29 01:41:27,378 INFO L226 Difference]: Without dead ends: 227 [2023-11-29 01:41:27,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:41:27,379 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 100 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:27,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 356 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:41:27,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-29 01:41:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 196. [2023-11-29 01:41:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.1984732824427482) internal successors, (157), 131 states have internal predecessors, (157), 52 states have call successors, (52), 12 states have call predecessors, (52), 12 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 01:41:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 261 transitions. [2023-11-29 01:41:27,404 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 261 transitions. Word has length 173 [2023-11-29 01:41:27,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:27,405 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 261 transitions. [2023-11-29 01:41:27,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:27,405 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 261 transitions. [2023-11-29 01:41:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 01:41:27,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:27,407 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:27,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 01:41:27,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:27,608 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:27,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:27,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1066615756, now seen corresponding path program 1 times [2023-11-29 01:41:27,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:27,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917699084] [2023-11-29 01:41:27,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:27,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:27,639 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:27,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [390687966] [2023-11-29 01:41:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:27,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:27,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:27,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:27,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:41:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:27,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:41:27,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-11-29 01:41:28,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:28,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:28,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917699084] [2023-11-29 01:41:28,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:28,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390687966] [2023-11-29 01:41:28,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390687966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:28,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:28,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:41:28,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413689579] [2023-11-29 01:41:28,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:28,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:41:28,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:28,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:41:28,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:41:28,012 INFO L87 Difference]: Start difference. First operand 196 states and 261 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 01:41:28,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:28,202 INFO L93 Difference]: Finished difference Result 398 states and 538 transitions. [2023-11-29 01:41:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:41:28,203 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 173 [2023-11-29 01:41:28,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:28,206 INFO L225 Difference]: With dead ends: 398 [2023-11-29 01:41:28,206 INFO L226 Difference]: Without dead ends: 295 [2023-11-29 01:41:28,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:41:28,208 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 144 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:28,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 221 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:41:28,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-29 01:41:28,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 196. [2023-11-29 01:41:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.1984732824427482) internal successors, (157), 131 states have internal predecessors, (157), 52 states have call successors, (52), 12 states have call predecessors, (52), 12 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 01:41:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 261 transitions. [2023-11-29 01:41:28,246 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 261 transitions. Word has length 173 [2023-11-29 01:41:28,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:28,246 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 261 transitions. [2023-11-29 01:41:28,247 INFO L496 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 01:41:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 261 transitions. [2023-11-29 01:41:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 01:41:28,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:28,249 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:28,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 01:41:28,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 01:41:28,449 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:28,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:28,450 INFO L85 PathProgramCache]: Analyzing trace with hash -17881930, now seen corresponding path program 1 times [2023-11-29 01:41:28,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:28,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561666739] [2023-11-29 01:41:28,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:28,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:28,483 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:28,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1845436828] [2023-11-29 01:41:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:28,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:28,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:28,485 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:28,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 01:41:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:28,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:41:28,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:41:29,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:29,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:29,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561666739] [2023-11-29 01:41:29,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:29,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845436828] [2023-11-29 01:41:29,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845436828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:29,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:29,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:41:29,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848851298] [2023-11-29 01:41:29,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:29,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:41:29,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:29,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:41:29,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:41:29,161 INFO L87 Difference]: Start difference. First operand 196 states and 261 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:29,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:29,229 INFO L93 Difference]: Finished difference Result 336 states and 452 transitions. [2023-11-29 01:41:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:41:29,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174 [2023-11-29 01:41:29,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:29,232 INFO L225 Difference]: With dead ends: 336 [2023-11-29 01:41:29,232 INFO L226 Difference]: Without dead ends: 216 [2023-11-29 01:41:29,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:41:29,233 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 53 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:29,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 361 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:41:29,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-29 01:41:29,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 197. [2023-11-29 01:41:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.1818181818181819) internal successors, (156), 132 states have internal predecessors, (156), 52 states have call successors, (52), 12 states have call predecessors, (52), 12 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 01:41:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 260 transitions. [2023-11-29 01:41:29,254 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 260 transitions. Word has length 174 [2023-11-29 01:41:29,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:29,254 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 260 transitions. [2023-11-29 01:41:29,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:29,255 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2023-11-29 01:41:29,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 01:41:29,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:29,256 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:29,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 01:41:29,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 01:41:29,457 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:29,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:29,457 INFO L85 PathProgramCache]: Analyzing trace with hash -2042681203, now seen corresponding path program 1 times [2023-11-29 01:41:29,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:29,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91345664] [2023-11-29 01:41:29,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:29,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:29,487 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:29,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750325608] [2023-11-29 01:41:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:29,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:29,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:29,488 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:29,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 01:41:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:29,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:41:29,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:41:29,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:29,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:41:29,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91345664] [2023-11-29 01:41:29,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:41:29,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750325608] [2023-11-29 01:41:29,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750325608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:29,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:29,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:41:29,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105789112] [2023-11-29 01:41:29,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:29,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:41:29,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:41:29,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:41:29,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:41:29,837 INFO L87 Difference]: Start difference. First operand 197 states and 260 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:29,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:29,976 INFO L93 Difference]: Finished difference Result 399 states and 536 transitions. [2023-11-29 01:41:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:41:29,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174 [2023-11-29 01:41:29,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:29,979 INFO L225 Difference]: With dead ends: 399 [2023-11-29 01:41:29,979 INFO L226 Difference]: Without dead ends: 296 [2023-11-29 01:41:29,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:41:29,980 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 131 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:29,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 219 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:41:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-11-29 01:41:30,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 193. [2023-11-29 01:41:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 128 states have (on average 1.171875) internal successors, (150), 128 states have internal predecessors, (150), 52 states have call successors, (52), 12 states have call predecessors, (52), 12 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 01:41:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 254 transitions. [2023-11-29 01:41:30,017 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 254 transitions. Word has length 174 [2023-11-29 01:41:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:30,018 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 254 transitions. [2023-11-29 01:41:30,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:41:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 254 transitions. [2023-11-29 01:41:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 01:41:30,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:30,019 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:30,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 01:41:30,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 01:41:30,220 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:30,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:30,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1677095571, now seen corresponding path program 1 times [2023-11-29 01:41:30,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:41:30,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838115706] [2023-11-29 01:41:30,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:30,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:41:30,247 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:41:30,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [982008671] [2023-11-29 01:41:30,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:30,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:41:30,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:30,248 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:41:30,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 01:41:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:41:30,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:41:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:41:30,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:41:30,616 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:41:30,617 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:41:30,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 01:41:30,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 01:41:30,821 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:30,824 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:41:30,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 01:41:30,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 01:41:30,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated [2023-11-29 01:41:30,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:41:30 BoogieIcfgContainer [2023-11-29 01:41:30,947 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:41:30,947 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:41:30,947 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:41:30,947 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:41:30,948 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:41:18" (3/4) ... [2023-11-29 01:41:30,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:41:30,951 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:41:30,952 INFO L158 Benchmark]: Toolchain (without parser) took 13382.41ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 118.9MB in the beginning and 132.8MB in the end (delta: -13.9MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-29 01:41:30,952 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:41:30,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.90ms. Allocated memory is still 155.2MB. Free memory was 118.9MB in the beginning and 103.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 01:41:30,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.90ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 100.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:41:30,953 INFO L158 Benchmark]: Boogie Preprocessor took 66.27ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 95.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:41:30,954 INFO L158 Benchmark]: RCFGBuilder took 632.95ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 95.9MB in the beginning and 142.6MB in the end (delta: -46.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-29 01:41:30,954 INFO L158 Benchmark]: TraceAbstraction took 12276.95ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 141.5MB in the beginning and 132.8MB in the end (delta: 8.7MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2023-11-29 01:41:30,955 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 224.4MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:41:30,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.90ms. Allocated memory is still 155.2MB. Free memory was 118.9MB in the beginning and 103.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.90ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 100.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.27ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 95.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 632.95ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 95.9MB in the beginning and 142.6MB in the end (delta: -46.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 12276.95ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 141.5MB in the beginning and 132.8MB in the end (delta: 8.7MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 224.4MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 151, overapproximation of someBinaryDOUBLEComparisonOperation at line 198. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_10 = 2; [L24] signed char var_1_11 = 1; [L25] float var_1_14 = 64.3; [L26] signed char var_1_16 = 32; [L27] unsigned char var_1_17 = 1; [L28] unsigned char var_1_18 = 0; [L29] unsigned char var_1_19 = 0; [L30] double var_1_20 = 9.25; [L31] double var_1_21 = 255.05; [L32] double var_1_22 = 25.5; [L33] unsigned char var_1_23 = 2; [L34] unsigned char var_1_25 = 1; [L35] unsigned short int var_1_26 = 5; [L36] unsigned char var_1_27 = 128; [L37] unsigned char var_1_28 = 1; [L38] signed long int var_1_29 = 128; [L39] unsigned long int var_1_31 = 1; [L40] unsigned long int var_1_32 = 64; [L41] unsigned long int var_1_37 = 3773873024; [L42] unsigned long int var_1_38 = 2296504360; [L43] unsigned long int var_1_39 = 16; [L44] unsigned long int var_1_40 = 2753961414; [L45] unsigned char var_1_41 = 8; [L46] signed short int var_1_43 = -50; [L47] signed char var_1_44 = -1; [L48] double var_1_47 = 255.2; [L49] double var_1_50 = 50.4; [L50] double var_1_51 = 49.25; [L51] double var_1_52 = 1000000.4; [L52] double var_1_53 = 256.2; [L53] signed char var_1_54 = -8; [L54] unsigned char last_1_var_1_17 = 1; [L55] double last_1_var_1_20 = 9.25; [L56] unsigned char last_1_var_1_23 = 2; [L57] unsigned short int last_1_var_1_26 = 5; [L58] signed long int last_1_var_1_29 = 128; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L191] last_1_var_1_17 = var_1_17 [L192] last_1_var_1_20 = var_1_20 [L193] last_1_var_1_23 = var_1_23 [L194] last_1_var_1_26 = var_1_26 [L195] last_1_var_1_29 = var_1_29 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L147] var_1_11 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L148] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L149] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L149] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L150] var_1_14 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L151] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L152] var_1_16 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L153] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L154] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L154] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L155] var_1_18 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L156] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L157] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L157] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L158] var_1_19 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L159] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L160] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L160] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L161] var_1_21 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L162] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L163] var_1_22 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L164] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L165] var_1_25 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L166] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L167] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L167] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L168] var_1_27 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L169] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L170] CALL assume_abort_if_not(var_1_27 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L170] RET assume_abort_if_not(var_1_27 <= 255) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=1, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L171] var_1_28 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L172] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L173] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L173] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=3773873024, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L174] var_1_37 = __VERIFIER_nondet_ulong() [L175] CALL assume_abort_if_not(var_1_37 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L175] RET assume_abort_if_not(var_1_37 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L176] CALL assume_abort_if_not(var_1_37 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L176] RET assume_abort_if_not(var_1_37 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=2296504360, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L177] var_1_38 = __VERIFIER_nondet_ulong() [L178] CALL assume_abort_if_not(var_1_38 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L178] RET assume_abort_if_not(var_1_38 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L179] CALL assume_abort_if_not(var_1_38 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L179] RET assume_abort_if_not(var_1_38 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=2753961414, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L180] var_1_40 = __VERIFIER_nondet_ulong() [L181] CALL assume_abort_if_not(var_1_40 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L181] RET assume_abort_if_not(var_1_40 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L182] CALL assume_abort_if_not(var_1_40 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L182] RET assume_abort_if_not(var_1_40 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_50=252/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L183] var_1_50 = __VERIFIER_nondet_double() [L184] CALL assume_abort_if_not((var_1_50 >= 0.0F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 9223372.036854765600e+12F && var_1_50 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L184] RET assume_abort_if_not((var_1_50 >= 0.0F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 9223372.036854765600e+12F && var_1_50 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_51=197/4, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L185] var_1_51 = __VERIFIER_nondet_double() [L186] CALL assume_abort_if_not((var_1_51 >= 0.0F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 9223372.036854765600e+12F && var_1_51 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L186] RET assume_abort_if_not((var_1_51 >= 0.0F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 9223372.036854765600e+12F && var_1_51 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_52=5000002/5, var_1_53=1281/5, var_1_54=-8] [L187] var_1_52 = __VERIFIER_nondet_double() [L188] CALL assume_abort_if_not((var_1_52 >= 0.0F && var_1_52 <= -1.0e-20F) || (var_1_52 <= 9223372.036854765600e+12F && var_1_52 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L188] RET assume_abort_if_not((var_1_52 >= 0.0F && var_1_52 <= -1.0e-20F) || (var_1_52 <= 9223372.036854765600e+12F && var_1_52 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L206] RET updateVariables() [L207] CALL step() [L62] COND TRUE var_1_18 && var_1_19 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=64, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L63] COND TRUE var_1_26 <= var_1_29 [L64] var_1_32 = (((((var_1_37) < (((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38))))) ? (var_1_37) : (((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38)))))) - var_1_26) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=16, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L67] COND TRUE (- var_1_38) <= (- var_1_37) [L68] var_1_39 = (2368197193u - var_1_23) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=8, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L76] var_1_41 = var_1_25 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L77] COND FALSE !(var_1_37 <= ((((var_1_26) > (var_1_25)) ? (var_1_26) : (var_1_25)))) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L80] EXPR var_1_37 ^ var_1_40 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L80] EXPR ((-8) > ((var_1_37 ^ var_1_40))) ? (-8) : ((var_1_37 ^ var_1_40)) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=-1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L80] COND TRUE var_1_25 <= ((((-8) > ((var_1_37 ^ var_1_40))) ? (-8) : ((var_1_37 ^ var_1_40)))) [L81] COND TRUE \read(var_1_17) [L82] var_1_44 = ((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L87] COND TRUE var_1_17 || var_1_19 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=1276/5, var_1_53=1281/5, var_1_54=-8] [L88] COND TRUE var_1_11 >= var_1_11 [L89] var_1_47 = var_1_21 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=1281/5, var_1_54=-8] [L102] var_1_53 = 5.5 [L103] var_1_54 = var_1_16 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L104] COND FALSE !((last_1_var_1_29 * last_1_var_1_23) <= last_1_var_1_29) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L107] COND TRUE last_1_var_1_17 || last_1_var_1_17 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L108] COND TRUE (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20))) - var_1_14) == (last_1_var_1_20 + last_1_var_1_20) [L109] var_1_10 = (var_1_11 + var_1_16) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=2, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L117] COND TRUE (last_1_var_1_29 + last_1_var_1_29) > last_1_var_1_26 [L118] var_1_23 = var_1_25 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L120] var_1_17 = (var_1_18 && var_1_19) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L121] COND FALSE !(! var_1_18) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L124] COND TRUE 256 >= var_1_10 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=5, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L125] COND TRUE var_1_17 && (var_1_25 >= (var_1_27 - var_1_28)) [L126] var_1_26 = 16 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=16, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L133] signed long int stepLocal_0 = var_1_23 * var_1_26; VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, stepLocal_0=80, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=16, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L134] COND FALSE !(((((var_1_20) < (63.5)) ? (var_1_20) : (63.5))) > (2.4 * var_1_20)) [L141] var_1_1 = -50 VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, stepLocal_0=80, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=16, var_1_27=132, var_1_28=127, var_1_29=128, var_1_31=1, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L143] var_1_31 = var_1_26 [L144] var_1_29 = var_1_1 [L207] RET step() [L208] CALL, EXPR property() [L198-L199] return ((((((((((((var_1_20) < (63.5)) ? (var_1_20) : (63.5))) > (2.4 * var_1_20)) ? (((var_1_23 * var_1_26) <= (~ var_1_26)) ? (var_1_1 == ((signed short int) (((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) + var_1_23))) : (var_1_1 == ((signed short int) var_1_10))) : (var_1_1 == ((signed short int) -50))) && (((last_1_var_1_29 * last_1_var_1_23) <= last_1_var_1_29) ? (var_1_10 == ((signed char) (var_1_11 + 10))) : ((last_1_var_1_17 || last_1_var_1_17) ? (((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20))) - var_1_14) == (last_1_var_1_20 + last_1_var_1_20)) ? (var_1_10 == ((signed char) (var_1_11 + var_1_16))) : (var_1_10 == ((signed char) var_1_11))) : (var_1_10 == ((signed char) var_1_16))))) && (var_1_17 == ((unsigned char) (var_1_18 && var_1_19)))) && ((! var_1_18) ? (var_1_20 == ((double) ((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22))))) : 1)) && (((last_1_var_1_29 + last_1_var_1_29) > last_1_var_1_26) ? (var_1_23 == ((unsigned char) var_1_25)) : 1)) && ((256 >= var_1_10) ? ((var_1_17 && (var_1_25 >= (var_1_27 - var_1_28))) ? (var_1_26 == ((unsigned short int) 16)) : (var_1_26 == ((unsigned short int) var_1_28))) : (var_1_26 == ((unsigned short int) var_1_25)))) && (var_1_29 == ((signed long int) var_1_1))) && (var_1_31 == ((unsigned long int) var_1_26)) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=16, var_1_27=132, var_1_28=127, var_1_29=-50, var_1_31=16, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=64, var_1_11=1, var_1_16=63, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=2, var_1_23=5, var_1_25=5, var_1_26=16, var_1_27=132, var_1_28=127, var_1_29=-50, var_1_31=16, var_1_32=4294967289, var_1_37=4294967294, var_1_38=4294967294, var_1_39=2368197191, var_1_40=4294967294, var_1_41=5, var_1_43=-50, var_1_44=1, var_1_47=2, var_1_53=11/2, var_1_54=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 13, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1284 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1229 mSDsluCounter, 3043 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1659 mSDsCounter, 294 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 949 IncrementalHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 294 mSolverCounterUnsat, 1384 mSDtfsCounter, 949 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2902 GetRequests, 2839 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=11, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 359 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2391 NumberOfCodeBlocks, 2391 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2878 ConstructedInterpolants, 0 QuantifiedInterpolants, 7764 SizeOfPredicates, 16 NumberOfNonLiveVariables, 5096 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 21761/22100 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 01:41:30,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/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_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya --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 8107c0950a870cc29b997c6f0f9031935a5c6964463abd6d158718f97c83e768 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:41:33,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:41:33,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 01:41:33,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:41:33,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:41:33,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:41:33,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:41:33,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:41:33,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:41:33,174 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:41:33,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:41:33,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:41:33,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:41:33,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:41:33,178 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:41:33,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:41:33,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:41:33,180 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:41:33,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:41:33,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:41:33,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:41:33,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:41:33,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:41:33,183 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:41:33,183 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 01:41:33,184 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 01:41:33,184 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:41:33,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:41:33,185 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:41:33,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:41:33,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:41:33,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:41:33,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:41:33,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:41:33,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:41:33,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:41:33,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:41:33,189 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 01:41:33,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 01:41:33,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:41:33,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:41:33,190 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:41:33,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:41:33,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:41:33,191 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 01:41:33,191 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_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8107c0950a870cc29b997c6f0f9031935a5c6964463abd6d158718f97c83e768 [2023-11-29 01:41:33,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:41:33,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:41:33,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:41:33,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:41:33,525 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:41:33,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i [2023-11-29 01:41:36,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:41:36,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:41:36,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i [2023-11-29 01:41:36,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/data/e7d376659/e90e9c62d4594543b9a7d9698bfb0989/FLAGa39aceeb6 [2023-11-29 01:41:36,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/data/e7d376659/e90e9c62d4594543b9a7d9698bfb0989 [2023-11-29 01:41:36,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:41:36,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:41:36,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:41:36,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:41:36,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:41:36,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:41:36" (1/1) ... [2023-11-29 01:41:36,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5b16bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:36, skipping insertion in model container [2023-11-29 01:41:36,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:41:36" (1/1) ... [2023-11-29 01:41:36,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:41:36,909 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i[919,932] [2023-11-29 01:41:36,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:41:36,994 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:41:37,009 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i[919,932] [2023-11-29 01:41:37,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:41:37,070 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:41:37,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37 WrapperNode [2023-11-29 01:41:37,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:41:37,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:41:37,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:41:37,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:41:37,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,134 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2023-11-29 01:41:37,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:41:37,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:41:37,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:41:37,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:41:37,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,156 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,186 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 01:41:37,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:41:37,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:41:37,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:41:37,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:41:37,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (1/1) ... [2023-11-29 01:41:37,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:41:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:41:37,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:41:37,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:41:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:41:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 01:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:41:37,412 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:41:37,415 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:41:46,795 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:41:46,876 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:41:46,876 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:41:46,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:41:46 BoogieIcfgContainer [2023-11-29 01:41:46,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:41:46,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:41:46,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:41:46,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:41:46,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:41:36" (1/3) ... [2023-11-29 01:41:46,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c82456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:41:46, skipping insertion in model container [2023-11-29 01:41:46,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:41:37" (2/3) ... [2023-11-29 01:41:46,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c82456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:41:46, skipping insertion in model container [2023-11-29 01:41:46,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:41:46" (3/3) ... [2023-11-29 01:41:46,887 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-72.i [2023-11-29 01:41:46,904 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:41:46,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:41:46,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:41:46,985 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@1a5d512e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:41:46,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:41:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 01:41:47,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-29 01:41:47,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:47,023 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:47,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:47,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:47,045 INFO L85 PathProgramCache]: Analyzing trace with hash 86020434, now seen corresponding path program 1 times [2023-11-29 01:41:47,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:41:47,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681855047] [2023-11-29 01:41:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:47,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:41:47,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:41:47,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:41:47,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 01:41:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:47,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:41:47,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-29 01:41:47,757 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:41:47,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:41:47,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681855047] [2023-11-29 01:41:47,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681855047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:41:47,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:41:47,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:41:47,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805366942] [2023-11-29 01:41:47,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:41:47,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:41:47,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:41:47,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:41:47,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:41:47,798 INFO L87 Difference]: Start difference. First operand has 79 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 01:41:52,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:41:52,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:41:52,046 INFO L93 Difference]: Finished difference Result 155 states and 278 transitions. [2023-11-29 01:41:52,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:41:52,095 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2023-11-29 01:41:52,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:41:52,103 INFO L225 Difference]: With dead ends: 155 [2023-11-29 01:41:52,103 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 01:41:52,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:41:52,109 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:41:52,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 01:41:52,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 01:41:52,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-29 01:41:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 49 states have internal predecessors, (67), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 01:41:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 119 transitions. [2023-11-29 01:41:52,160 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 119 transitions. Word has length 166 [2023-11-29 01:41:52,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:41:52,161 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 119 transitions. [2023-11-29 01:41:52,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 01:41:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 119 transitions. [2023-11-29 01:41:52,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 01:41:52,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:41:52,168 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:41:52,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:41:52,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:41:52,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:41:52,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:41:52,370 INFO L85 PathProgramCache]: Analyzing trace with hash 19938645, now seen corresponding path program 1 times [2023-11-29 01:41:52,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:41:52,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710064027] [2023-11-29 01:41:52,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:41:52,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:41:52,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:41:52,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:41:52,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 01:41:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:41:52,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:41:52,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:41:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 531 proven. 111 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2023-11-29 01:41:54,592 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:41:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 114 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2023-11-29 01:41:55,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:41:55,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710064027] [2023-11-29 01:41:55,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710064027] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:41:55,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:41:55,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2023-11-29 01:41:55,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460826877] [2023-11-29 01:41:55,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:41:55,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:41:55,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:41:55,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:41:55,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:41:55,533 INFO L87 Difference]: Start difference. First operand 77 states and 119 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (46), 3 states have call predecessors, (46), 7 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-29 01:42:00,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:04,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:08,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:12,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:16,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:17,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:42:17,278 INFO L93 Difference]: Finished difference Result 175 states and 262 transitions. [2023-11-29 01:42:17,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:42:17,279 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (46), 3 states have call predecessors, (46), 7 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 168 [2023-11-29 01:42:17,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:42:17,284 INFO L225 Difference]: With dead ends: 175 [2023-11-29 01:42:17,284 INFO L226 Difference]: Without dead ends: 99 [2023-11-29 01:42:17,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2023-11-29 01:42:17,288 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 221 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 49 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:42:17,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 250 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 271 Invalid, 5 Unknown, 0 Unchecked, 21.4s Time] [2023-11-29 01:42:17,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-29 01:42:17,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 91. [2023-11-29 01:42:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 57 states have internal predecessors, (69), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 01:42:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2023-11-29 01:42:17,316 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 168 [2023-11-29 01:42:17,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:42:17,318 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2023-11-29 01:42:17,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (46), 3 states have call predecessors, (46), 7 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-29 01:42:17,318 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2023-11-29 01:42:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 01:42:17,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:42:17,323 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:42:17,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:42:17,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:42:17,529 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:42:17,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:42:17,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1523458015, now seen corresponding path program 1 times [2023-11-29 01:42:17,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:42:17,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022627478] [2023-11-29 01:42:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:42:17,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:42:17,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:42:17,533 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:42:17,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 01:42:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:42:18,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:42:18,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:42:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:42:18,835 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:42:18,835 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:42:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022627478] [2023-11-29 01:42:18,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022627478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:42:18,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:42:18,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:42:18,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327127903] [2023-11-29 01:42:18,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:42:18,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:42:18,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:42:18,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:42:18,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:42:18,838 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:42:23,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:27,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:27,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:42:27,171 INFO L93 Difference]: Finished difference Result 236 states and 338 transitions. [2023-11-29 01:42:27,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:42:27,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2023-11-29 01:42:27,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:42:27,175 INFO L225 Difference]: With dead ends: 236 [2023-11-29 01:42:27,175 INFO L226 Difference]: Without dead ends: 154 [2023-11-29 01:42:27,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:42:27,177 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 16 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:42:27,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 207 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2023-11-29 01:42:27,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-29 01:42:27,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 146. [2023-11-29 01:42:27,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 87 states have (on average 1.1839080459770115) internal successors, (103), 87 states have internal predecessors, (103), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 01:42:27,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 207 transitions. [2023-11-29 01:42:27,212 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 207 transitions. Word has length 169 [2023-11-29 01:42:27,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:42:27,218 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 207 transitions. [2023-11-29 01:42:27,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:42:27,218 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 207 transitions. [2023-11-29 01:42:27,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 01:42:27,221 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:42:27,222 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:42:27,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 01:42:27,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:42:27,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:42:27,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:42:27,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1491645603, now seen corresponding path program 1 times [2023-11-29 01:42:27,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:42:27,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415014756] [2023-11-29 01:42:27,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:42:27,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:42:27,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:42:27,428 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:42:27,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 01:42:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:42:27,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:42:27,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:42:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:42:29,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:42:29,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:42:29,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415014756] [2023-11-29 01:42:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415014756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:42:29,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:42:29,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:42:29,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111908042] [2023-11-29 01:42:29,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:42:29,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:42:29,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:42:29,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:42:29,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:42:29,742 INFO L87 Difference]: Start difference. First operand 146 states and 207 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:42:34,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:38,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:42,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:46,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:50,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:54,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:58,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:42:58,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:42:58,690 INFO L93 Difference]: Finished difference Result 256 states and 362 transitions. [2023-11-29 01:42:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:42:58,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2023-11-29 01:42:58,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:42:58,746 INFO L225 Difference]: With dead ends: 256 [2023-11-29 01:42:58,746 INFO L226 Difference]: Without dead ends: 174 [2023-11-29 01:42:58,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:42:58,748 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 87 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 53 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:42:58,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 309 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 22 Invalid, 7 Unknown, 0 Unchecked, 28.9s Time] [2023-11-29 01:42:58,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-29 01:42:58,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 150. [2023-11-29 01:42:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 91 states have (on average 1.1758241758241759) internal successors, (107), 91 states have internal predecessors, (107), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 01:42:58,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 211 transitions. [2023-11-29 01:42:58,784 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 211 transitions. Word has length 169 [2023-11-29 01:42:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:42:58,785 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 211 transitions. [2023-11-29 01:42:58,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:42:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 211 transitions. [2023-11-29 01:42:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 01:42:58,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:42:58,789 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:42:58,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:42:58,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:42:58,990 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:42:58,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:42:58,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1319226264, now seen corresponding path program 1 times [2023-11-29 01:42:58,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:42:58,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879841346] [2023-11-29 01:42:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:42:58,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:42:58,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:42:58,993 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:42:58,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 01:42:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:42:59,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:42:59,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:43:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:43:00,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:43:00,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:43:00,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879841346] [2023-11-29 01:43:00,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879841346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:43:00,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:43:00,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:43:00,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841880744] [2023-11-29 01:43:00,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:43:00,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:43:00,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:43:00,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:43:00,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:43:00,300 INFO L87 Difference]: Start difference. First operand 150 states and 211 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:43:04,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:43:08,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:43:12,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:43:16,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:43:20,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:43:20,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:43:20,969 INFO L93 Difference]: Finished difference Result 248 states and 350 transitions. [2023-11-29 01:43:21,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:43:21,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2023-11-29 01:43:21,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:43:21,020 INFO L225 Difference]: With dead ends: 248 [2023-11-29 01:43:21,020 INFO L226 Difference]: Without dead ends: 166 [2023-11-29 01:43:21,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:43:21,022 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 64 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 53 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:43:21,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 313 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 18 Invalid, 5 Unknown, 0 Unchecked, 20.6s Time] [2023-11-29 01:43:21,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-29 01:43:21,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 151. [2023-11-29 01:43:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 92 states have (on average 1.173913043478261) internal successors, (108), 92 states have internal predecessors, (108), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 01:43:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 212 transitions. [2023-11-29 01:43:21,058 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 212 transitions. Word has length 170 [2023-11-29 01:43:21,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:43:21,059 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 212 transitions. [2023-11-29 01:43:21,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:43:21,060 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 212 transitions. [2023-11-29 01:43:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 01:43:21,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:43:21,062 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:43:21,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 01:43:21,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:43:21,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:43:21,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:43:21,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1660903234, now seen corresponding path program 1 times [2023-11-29 01:43:21,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:43:21,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416968023] [2023-11-29 01:43:21,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:43:21,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:43:21,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:43:21,275 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:43:21,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:43:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:43:21,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:43:21,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:43:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 01:43:23,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:43:23,615 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:43:23,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416968023] [2023-11-29 01:43:23,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416968023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:43:23,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:43:23,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:43:23,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153733692] [2023-11-29 01:43:23,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:43:23,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:43:23,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:43:23,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:43:23,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:43:23,617 INFO L87 Difference]: Start difference. First operand 151 states and 212 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:43:28,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:43:31,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:43:35,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:43:35,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:43:35,320 INFO L93 Difference]: Finished difference Result 259 states and 362 transitions. [2023-11-29 01:43:35,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:43:35,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2023-11-29 01:43:35,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:43:35,374 INFO L225 Difference]: With dead ends: 259 [2023-11-29 01:43:35,374 INFO L226 Difference]: Without dead ends: 166 [2023-11-29 01:43:35,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:43:35,375 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 61 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 54 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:43:35,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 309 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 23 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2023-11-29 01:43:35,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-29 01:43:35,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 153. [2023-11-29 01:43:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 94 states have (on average 1.1702127659574468) internal successors, (110), 94 states have internal predecessors, (110), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 01:43:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 214 transitions. [2023-11-29 01:43:35,408 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 214 transitions. Word has length 171 [2023-11-29 01:43:35,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:43:35,409 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 214 transitions. [2023-11-29 01:43:35,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-29 01:43:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 214 transitions. [2023-11-29 01:43:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 01:43:35,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:43:35,411 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:43:35,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 01:43:35,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:43:35,612 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:43:35,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:43:35,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2053930244, now seen corresponding path program 1 times [2023-11-29 01:43:35,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:43:35,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765321673] [2023-11-29 01:43:35,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:43:35,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 01:43:35,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:43:35,615 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 01:43:35,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d93fac5-6583-4b37-99eb-37ff87ad9298/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 01:43:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:43:36,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 01:43:36,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:43:51,787 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:44:00,512 WARN L293 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:44:08,616 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:44:21,630 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:44:33,558 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:44:39,067 WARN L293 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:44:45,444 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:44:49,469 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= (_ bv1 8) c_~last_1_var_1_17~0) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)) (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (= c_~last_1_var_1_29~0 (_ bv128 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 01:44:59,346 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:45:09,324 WARN L293 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:45:18,819 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:45:26,872 WARN L293 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:45:32,076 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:45:39,485 WARN L293 SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:45:46,892 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:45:55,001 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:47:30,940 WARN L293 SmtUtils]: Spent 57.95s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:47:57,621 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:48:15,006 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:48:32,629 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:48:36,653 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= c_~var_1_23~0 c_~var_1_25~0) (= (_ bv1 8) c_~var_1_17~0) (= (_ bv1 8) c_~last_1_var_1_17~0) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)) (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (= c_~last_1_var_1_29~0 (_ bv128 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 01:48:44,776 WARN L293 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:49:02,548 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:49:08,668 WARN L293 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:49:16,751 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:49:22,837 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:49:40,222 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:49:47,333 WARN L293 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:49:57,963 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:50:04,500 WARN L293 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:50:12,284 WARN L293 SmtUtils]: Spent 7.78s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:50:22,022 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:50:28,357 WARN L293 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:50:42,091 WARN L293 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:50:48,490 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:50:54,272 WARN L293 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:51:06,635 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:51:16,618 WARN L293 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:51:27,934 WARN L293 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:51:35,075 WARN L293 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:51:43,173 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:51:51,276 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:52:01,046 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:52:15,989 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:52:30,801 WARN L293 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:54:37,665 WARN L293 SmtUtils]: Spent 1.68m on a formula simplification that was a NOOP. DAG size: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:54:42,963 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:54:50,415 WARN L293 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:54:57,817 WARN L293 SmtUtils]: Spent 7.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:55:05,831 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:55:13,929 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:55:19,501 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:55:25,794 WARN L293 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:55:36,184 WARN L293 SmtUtils]: Spent 7.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:55:44,283 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:55:51,300 WARN L293 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 01:56:03,518 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)