./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu --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 c629da573e004159921914643ea74746a2df9f21fcd6971058637a927e2b9e2c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:36,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:36,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:01:36,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:36,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:36,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:36,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:36,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:36,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:36,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:36,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:36,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:36,520 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:36,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:36,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:36,522 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:01:36,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:36,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:01:36,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:36,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:36,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:36,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:36,525 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:01:36,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:36,526 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:36,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:36,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:36,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:36,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:36,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:36,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:36,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:36,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:36,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:36,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:36,532 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:36,532 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:36,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:36,532 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:36,533 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_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c629da573e004159921914643ea74746a2df9f21fcd6971058637a927e2b9e2c [2023-11-19 08:01:36,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:36,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:36,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:36,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:36,863 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:36,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i [2023-11-19 08:01:40,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:40,295 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:40,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i [2023-11-19 08:01:40,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/data/769c3ff96/f75a03a97eb94fe29fd9b7d0f4c0d6da/FLAGdc36a37b3 [2023-11-19 08:01:40,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/data/769c3ff96/f75a03a97eb94fe29fd9b7d0f4c0d6da [2023-11-19 08:01:40,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:40,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:40,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:40,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:40,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:40,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:40,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569e085c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40, skipping insertion in model container [2023-11-19 08:01:40,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:40,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:40,660 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_a02c0e36-1510-4af8-a8bb-b60f0993356e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i[919,932] [2023-11-19 08:01:40,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:40,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:40,823 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_a02c0e36-1510-4af8-a8bb-b60f0993356e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i[919,932] [2023-11-19 08:01:40,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:40,907 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:40,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40 WrapperNode [2023-11-19 08:01:40,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:40,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:40,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:40,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:40,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:40,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:40,997 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-19 08:01:40,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:40,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:40,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:40,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:41,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:41,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:41,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:41,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:41,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (1/1) ... [2023-11-19 08:01:41,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:41,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:41,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:01:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:01:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:41,288 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:41,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:41,855 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:41,864 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:41,864 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:01:41,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:41 BoogieIcfgContainer [2023-11-19 08:01:41,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:41,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:41,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:41,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:41,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:40" (1/3) ... [2023-11-19 08:01:41,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617e0e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:41, skipping insertion in model container [2023-11-19 08:01:41,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:40" (2/3) ... [2023-11-19 08:01:41,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617e0e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:41, skipping insertion in model container [2023-11-19 08:01:41,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:41" (3/3) ... [2023-11-19 08:01:41,881 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i [2023-11-19 08:01:41,906 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:41,907 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:41,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:41,988 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;@453d2f0f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:41,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 50 states have (on average 1.54) internal successors, (77), 51 states have internal predecessors, (77), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 08:01:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 08:01:42,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:42,018 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:42,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:42,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash -41333011, now seen corresponding path program 1 times [2023-11-19 08:01:42,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:42,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116837455] [2023-11-19 08:01:42,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:42,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:42,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116837455] [2023-11-19 08:01:42,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:01:42,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597696102] [2023-11-19 08:01:42,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:42,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:42,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:42,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:42,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:01:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:01:42,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-11-19 08:01:42,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:42,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597696102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:42,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:42,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:01:42,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059875643] [2023-11-19 08:01:42,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:42,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:01:42,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:42,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:01:42,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:01:42,752 INFO L87 Difference]: Start difference. First operand has 68 states, 50 states have (on average 1.54) internal successors, (77), 51 states have internal predecessors, (77), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 08:01:42,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:42,787 INFO L93 Difference]: Finished difference Result 129 states and 223 transitions. [2023-11-19 08:01:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:01:42,789 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2023-11-19 08:01:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:42,797 INFO L225 Difference]: With dead ends: 129 [2023-11-19 08:01:42,797 INFO L226 Difference]: Without dead ends: 64 [2023-11-19 08:01:42,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:01:42,808 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:42,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:42,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-19 08:01:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-19 08:01:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 08:01:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 99 transitions. [2023-11-19 08:01:42,864 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 99 transitions. Word has length 108 [2023-11-19 08:01:42,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:42,865 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 99 transitions. [2023-11-19 08:01:42,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 08:01:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2023-11-19 08:01:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 08:01:42,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:42,870 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:42,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:43,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 08:01:43,092 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:43,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:43,093 INFO L85 PathProgramCache]: Analyzing trace with hash 562174067, now seen corresponding path program 1 times [2023-11-19 08:01:43,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:43,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455143412] [2023-11-19 08:01:43,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:43,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:43,207 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:01:43,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [506774178] [2023-11-19 08:01:43,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:43,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:43,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:43,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:43,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:01:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:01:43,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 08:01:43,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:43,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:43,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455143412] [2023-11-19 08:01:43,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:01:43,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506774178] [2023-11-19 08:01:43,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506774178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:43,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:43,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:43,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550899033] [2023-11-19 08:01:43,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:43,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:01:43,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:43,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:01:43,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:01:43,501 INFO L87 Difference]: Start difference. First operand 64 states and 99 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 08:01:43,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:43,601 INFO L93 Difference]: Finished difference Result 165 states and 255 transitions. [2023-11-19 08:01:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:01:43,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2023-11-19 08:01:43,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:43,612 INFO L225 Difference]: With dead ends: 165 [2023-11-19 08:01:43,613 INFO L226 Difference]: Without dead ends: 104 [2023-11-19 08:01:43,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:01:43,615 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 51 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:43,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 175 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:43,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-19 08:01:43,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-11-19 08:01:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 80 states have (on average 1.5) internal successors, (120), 81 states have internal predecessors, (120), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:01:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 156 transitions. [2023-11-19 08:01:43,654 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 156 transitions. Word has length 108 [2023-11-19 08:01:43,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:43,657 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 156 transitions. [2023-11-19 08:01:43,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 08:01:43,657 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2023-11-19 08:01:43,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 08:01:43,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:43,666 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:43,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:43,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:43,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:43,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:43,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1126769675, now seen corresponding path program 1 times [2023-11-19 08:01:43,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:43,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127963271] [2023-11-19 08:01:43,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:43,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:43,943 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:01:43,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458274874] [2023-11-19 08:01:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:43,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:43,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:43,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:43,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:01:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:01:44,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 08:01:44,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:44,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:44,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127963271] [2023-11-19 08:01:44,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:01:44,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458274874] [2023-11-19 08:01:44,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458274874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:44,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:44,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:44,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310803386] [2023-11-19 08:01:44,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:44,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:44,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:44,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:44,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:44,197 INFO L87 Difference]: Start difference. First operand 101 states and 156 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 08:01:44,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:44,333 INFO L93 Difference]: Finished difference Result 233 states and 350 transitions. [2023-11-19 08:01:44,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:44,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2023-11-19 08:01:44,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:44,337 INFO L225 Difference]: With dead ends: 233 [2023-11-19 08:01:44,350 INFO L226 Difference]: Without dead ends: 135 [2023-11-19 08:01:44,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:44,353 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 111 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:44,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 264 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-19 08:01:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 94. [2023-11-19 08:01:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 76 states have (on average 1.513157894736842) internal successors, (115), 76 states have internal predecessors, (115), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 08:01:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 145 transitions. [2023-11-19 08:01:44,380 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 145 transitions. Word has length 108 [2023-11-19 08:01:44,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:44,381 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 145 transitions. [2023-11-19 08:01:44,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 08:01:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2023-11-19 08:01:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 08:01:44,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:44,384 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:44,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:44,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:44,601 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:44,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1713575689, now seen corresponding path program 1 times [2023-11-19 08:01:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:44,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570260105] [2023-11-19 08:01:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:44,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:44,646 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:01:44,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [705268392] [2023-11-19 08:01:44,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:44,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:44,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:44,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:44,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:01:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:01:44,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 152 proven. 33 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-19 08:01:44,939 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-19 08:01:45,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:45,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570260105] [2023-11-19 08:01:45,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:01:45,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705268392] [2023-11-19 08:01:45,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705268392] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:45,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:01:45,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 08:01:45,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082988577] [2023-11-19 08:01:45,098 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:45,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:01:45,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:45,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:01:45,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:01:45,101 INFO L87 Difference]: Start difference. First operand 94 states and 145 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 08:01:45,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:45,292 INFO L93 Difference]: Finished difference Result 165 states and 248 transitions. [2023-11-19 08:01:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:01:45,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 108 [2023-11-19 08:01:45,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:45,295 INFO L225 Difference]: With dead ends: 165 [2023-11-19 08:01:45,295 INFO L226 Difference]: Without dead ends: 74 [2023-11-19 08:01:45,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:01:45,298 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 64 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:45,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 183 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:45,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-19 08:01:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2023-11-19 08:01:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 08:01:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 103 transitions. [2023-11-19 08:01:45,310 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 103 transitions. Word has length 108 [2023-11-19 08:01:45,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:45,311 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 103 transitions. [2023-11-19 08:01:45,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 08:01:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2023-11-19 08:01:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 08:01:45,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:45,314 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:45,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:45,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:45,530 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:45,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:45,531 INFO L85 PathProgramCache]: Analyzing trace with hash -157961173, now seen corresponding path program 1 times [2023-11-19 08:01:45,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:45,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833951014] [2023-11-19 08:01:45,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:45,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:45,574 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:01:45,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218998247] [2023-11-19 08:01:45,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:45,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:45,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:45,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:45,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:01:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:46,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:01:46,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 08:01:46,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:46,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833951014] [2023-11-19 08:01:46,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:01:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218998247] [2023-11-19 08:01:46,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218998247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:46,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:46,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:46,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838965726] [2023-11-19 08:01:46,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:46,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:46,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:46,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:46,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:46,236 INFO L87 Difference]: Start difference. First operand 72 states and 103 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 08:01:46,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:46,483 INFO L93 Difference]: Finished difference Result 273 states and 393 transitions. [2023-11-19 08:01:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:46,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 109 [2023-11-19 08:01:46,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:46,486 INFO L225 Difference]: With dead ends: 273 [2023-11-19 08:01:46,486 INFO L226 Difference]: Without dead ends: 204 [2023-11-19 08:01:46,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:46,488 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 221 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:46,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 299 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:01:46,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-11-19 08:01:46,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 154. [2023-11-19 08:01:46,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 117 states have (on average 1.435897435897436) internal successors, (168), 117 states have internal predecessors, (168), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-19 08:01:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 228 transitions. [2023-11-19 08:01:46,517 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 228 transitions. Word has length 109 [2023-11-19 08:01:46,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:46,518 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 228 transitions. [2023-11-19 08:01:46,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 08:01:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 228 transitions. [2023-11-19 08:01:46,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 08:01:46,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:46,520 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:46,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:46,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:46,727 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:46,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:46,728 INFO L85 PathProgramCache]: Analyzing trace with hash 100204265, now seen corresponding path program 1 times [2023-11-19 08:01:46,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:46,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898313920] [2023-11-19 08:01:46,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:46,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:46,769 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:01:46,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047881809] [2023-11-19 08:01:46,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:46,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:46,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:46,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:46,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:01:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:47,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 08:01:47,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 173 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-19 08:01:48,564 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2023-11-19 08:01:50,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:50,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898313920] [2023-11-19 08:01:50,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:01:50,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047881809] [2023-11-19 08:01:50,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047881809] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:50,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:01:50,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2023-11-19 08:01:50,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521494380] [2023-11-19 08:01:50,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:50,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-19 08:01:50,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:50,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-19 08:01:50,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2023-11-19 08:01:50,473 INFO L87 Difference]: Start difference. First operand 154 states and 228 transitions. Second operand has 22 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 20 states have internal predecessors, (74), 6 states have call successors, (30), 4 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2023-11-19 08:01:59,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:59,490 INFO L93 Difference]: Finished difference Result 679 states and 993 transitions. [2023-11-19 08:01:59,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-19 08:01:59,496 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 20 states have internal predecessors, (74), 6 states have call successors, (30), 4 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 109 [2023-11-19 08:01:59,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:59,509 INFO L225 Difference]: With dead ends: 679 [2023-11-19 08:01:59,509 INFO L226 Difference]: Without dead ends: 528 [2023-11-19 08:01:59,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1591 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1151, Invalid=3540, Unknown=1, NotChecked=0, Total=4692 [2023-11-19 08:01:59,516 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 1332 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:59,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 871 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-19 08:01:59,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2023-11-19 08:01:59,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 266. [2023-11-19 08:01:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 187 states have (on average 1.2780748663101604) internal successors, (239), 188 states have internal predecessors, (239), 60 states have call successors, (60), 18 states have call predecessors, (60), 18 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-19 08:01:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 359 transitions. [2023-11-19 08:01:59,617 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 359 transitions. Word has length 109 [2023-11-19 08:01:59,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:59,617 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 359 transitions. [2023-11-19 08:01:59,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 20 states have internal predecessors, (74), 6 states have call successors, (30), 4 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2023-11-19 08:01:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 359 transitions. [2023-11-19 08:01:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 08:01:59,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:59,620 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:59,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:59,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:59,827 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:59,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:59,828 INFO L85 PathProgramCache]: Analyzing trace with hash -920864089, now seen corresponding path program 1 times [2023-11-19 08:01:59,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:59,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980025692] [2023-11-19 08:01:59,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:59,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:59,862 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:01:59,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621166027] [2023-11-19 08:01:59,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:59,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:59,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:59,867 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:59,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:02:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:00,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:00,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:00,620 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:02:00,621 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:02:00,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:00,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:00,834 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:00,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:00,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:00 BoogieIcfgContainer [2023-11-19 08:02:00,978 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:00,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:00,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:00,979 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:00,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:41" (3/4) ... [2023-11-19 08:02:00,982 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:02:00,983 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:00,984 INFO L158 Benchmark]: Toolchain (without parser) took 20654.20ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 127.6MB in the beginning and 173.9MB in the end (delta: -46.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-19 08:02:00,984 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:00,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.96ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 127.2MB in the end (delta: 351.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:02:00,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.28ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 123.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:02:00,985 INFO L158 Benchmark]: Boogie Preprocessor took 47.03ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:00,986 INFO L158 Benchmark]: RCFGBuilder took 822.72ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 95.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 08:02:00,986 INFO L158 Benchmark]: TraceAbstraction took 19107.16ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 94.9MB in the beginning and 173.9MB in the end (delta: -79.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:00,987 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 239.1MB. Free memory is still 173.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:00,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.96ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 127.2MB in the end (delta: 351.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.28ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 123.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.03ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 822.72ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 95.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 19107.16ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 94.9MB in the beginning and 173.9MB in the end (delta: -79.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 239.1MB. Free memory is still 173.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 157. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 49.5; [L25] double var_1_8 = 16.75; [L26] unsigned short int var_1_9 = 1; [L27] unsigned long int var_1_11 = 8; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_14 = 32; [L31] unsigned char var_1_15 = 50; [L32] unsigned char var_1_16 = 8; [L33] unsigned char var_1_17 = 32; [L34] unsigned long int var_1_18 = 2; [L35] unsigned long int var_1_19 = 3876014737; [L36] unsigned char var_1_20 = 0; [L37] unsigned short int var_1_21 = 25; [L38] unsigned char var_1_27 = 1; [L39] unsigned char var_1_31 = 1; [L40] unsigned long int var_1_33 = 2; [L41] unsigned short int var_1_34 = 0; [L42] signed short int var_1_35 = -10; [L43] unsigned char var_1_40 = 2; [L44] unsigned short int var_1_42 = 8; [L45] unsigned long int var_1_44 = 1249494912; [L46] double last_1_var_1_1 = 5.05; [L47] unsigned short int last_1_var_1_9 = 1; [L48] unsigned long int last_1_var_1_11 = 8; [L49] unsigned char last_1_var_1_14 = 32; [L50] unsigned char last_1_var_1_20 = 0; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L161] isInitial = 1 [L162] FCALL initially() [L163] COND TRUE 1 [L164] CALL updateLastVariables() [L150] last_1_var_1_1 = var_1_1 [L151] last_1_var_1_9 = var_1_9 [L152] last_1_var_1_11 = var_1_11 [L153] last_1_var_1_14 = var_1_14 [L154] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L164] RET updateLastVariables() [L165] CALL updateVariables() [L124] var_1_6 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L125] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L126] var_1_7 = __VERIFIER_nondet_double() [L127] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=67/4, var_1_9=1] [L127] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=67/4, var_1_9=1] [L128] var_1_8 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L129] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L130] var_1_13 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L131] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L132] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L132] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L133] var_1_15 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L134] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L135] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L135] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L136] var_1_16 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L137] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L138] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L138] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L139] var_1_17 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L140] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L141] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L142] var_1_19 = __VERIFIER_nondet_ulong() [L143] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L143] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L144] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L145] var_1_44 = __VERIFIER_nondet_ulong() [L146] CALL assume_abort_if_not(var_1_44 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L146] RET assume_abort_if_not(var_1_44 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_44 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L147] RET assume_abort_if_not(var_1_44 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L165] RET updateVariables() [L166] CALL step() [L54] COND TRUE \read(var_1_13) [L55] var_1_18 = ((var_1_19 - last_1_var_1_9) - last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L59] COND FALSE !(var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L68] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L69] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L73] signed long int stepLocal_0 = - ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))); VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L74] COND FALSE !(var_1_18 >= stepLocal_0) [L77] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=0, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L79] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L80] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L82] COND TRUE \read(var_1_20) [L83] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L85] var_1_11 = (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u)) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L86] COND FALSE !(((((var_1_9) < (var_1_14)) ? (var_1_9) : (var_1_14))) > var_1_18) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L89] COND FALSE !((var_1_15 <= var_1_9) && var_1_20) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L100] COND TRUE var_1_17 > (- var_1_17) [L101] var_1_31 = (var_1_13 && var_1_13) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L103] var_1_33 = var_1_15 [L104] var_1_34 = (var_1_14 + 4) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=6, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L105] COND TRUE ((var_1_7 - var_1_6) + var_1_6) == var_1_8 [L106] var_1_35 = var_1_14 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=6, var_1_35=2, var_1_40=2, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L108] COND TRUE var_1_18 >= (~ var_1_19) [L109] var_1_40 = var_1_16 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=6, var_1_35=2, var_1_40=0, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L111] COND TRUE \read(var_1_13) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=6, var_1_35=2, var_1_40=0, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L112] COND FALSE !(var_1_19 < 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=6, var_1_35=2, var_1_40=0, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L166] RET step() [L167] CALL, EXPR property() [L157-L158] return (((((((var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) ? ((! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))))) : 1) : (var_1_9 == ((unsigned short int) last_1_var_1_14))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u))))) && (var_1_20 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_9)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - last_1_var_1_9) - last_1_var_1_11))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=6, var_1_35=2, var_1_40=0, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=6, var_1_35=2, var_1_40=0, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=2, var_1_15=2, var_1_16=0, var_1_17=254, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_31=1, var_1_33=2, var_1_34=6, var_1_35=2, var_1_40=0, var_1_42=8, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 7, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1795 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1779 mSDsluCounter, 1891 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1257 mSDsCounter, 514 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1516 IncrementalHoareTripleChecker+Invalid, 2030 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 514 mSolverCounterUnsat, 634 mSDtfsCounter, 1516 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 921 GetRequests, 837 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=6, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 358 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 867 NumberOfCodeBlocks, 867 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 859 ConstructedInterpolants, 0 QuantifiedInterpolants, 4879 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1783 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 3267/3360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:02:01,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu --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 c629da573e004159921914643ea74746a2df9f21fcd6971058637a927e2b9e2c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:03,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:03,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:02:03,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:03,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:03,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:03,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:03,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:03,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:03,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:03,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:03,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:03,995 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:03,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:03,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:03,999 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:03,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:03,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:04,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:04,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:04,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:04,003 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:02:04,003 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:02:04,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:02:04,004 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:04,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:04,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:04,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:04,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:04,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:04,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:04,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:04,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:04,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:04,010 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:02:04,010 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:04,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:04,011 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:04,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:04,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:04,012 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:02:04,013 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:04,013 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_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c629da573e004159921914643ea74746a2df9f21fcd6971058637a927e2b9e2c [2023-11-19 08:02:04,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:04,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:04,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:04,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:04,486 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:04,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i [2023-11-19 08:02:07,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:08,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:08,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i [2023-11-19 08:02:08,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/data/3ee466d9f/1c85786acb4c43e4ba9d60f78dfb3dad/FLAGa08dba0d5 [2023-11-19 08:02:08,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/data/3ee466d9f/1c85786acb4c43e4ba9d60f78dfb3dad [2023-11-19 08:02:08,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:08,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:08,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:08,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:08,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:08,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb0796d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08, skipping insertion in model container [2023-11-19 08:02:08,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:08,359 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_a02c0e36-1510-4af8-a8bb-b60f0993356e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i[919,932] [2023-11-19 08:02:08,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:08,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:08,494 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_a02c0e36-1510-4af8-a8bb-b60f0993356e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i[919,932] [2023-11-19 08:02:08,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:08,563 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:08,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08 WrapperNode [2023-11-19 08:02:08,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:08,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:08,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:08,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:08,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,657 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-19 08:02:08,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:08,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:08,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:08,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:08,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:08,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:08,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:08,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:08,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (1/1) ... [2023-11-19 08:02:08,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:08,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:02:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:09,016 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:09,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:14,126 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:14,135 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:14,135 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:02:14,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:14 BoogieIcfgContainer [2023-11-19 08:02:14,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:14,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:14,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:14,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:14,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:08" (1/3) ... [2023-11-19 08:02:14,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df53bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:14, skipping insertion in model container [2023-11-19 08:02:14,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:08" (2/3) ... [2023-11-19 08:02:14,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df53bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:14, skipping insertion in model container [2023-11-19 08:02:14,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:14" (3/3) ... [2023-11-19 08:02:14,149 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-70.i [2023-11-19 08:02:14,174 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:14,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:14,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:14,245 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;@1d20e964, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:14,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 08:02:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 08:02:14,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:14,270 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:14,275 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:14,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:14,283 INFO L85 PathProgramCache]: Analyzing trace with hash 807807473, now seen corresponding path program 1 times [2023-11-19 08:02:14,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:14,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975202175] [2023-11-19 08:02:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:14,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:14,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:14,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:02:14,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:02:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:15,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 08:02:15,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 168 proven. 9 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-11-19 08:02:17,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:20,384 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_19~0 (_ BitVec 32))) (or (not (bvsge ((_ zero_extend 32) ~var_1_19~0) (_ bv3221225470 64))) (not (bvuge (bvadd (bvneg ((_ zero_extend 16) c_~last_1_var_1_9~0)) ~var_1_19~0 (bvneg c_~last_1_var_1_11~0)) (bvneg ((_ zero_extend 16) c_~var_1_9~0)))))) is different from false [2023-11-19 08:02:20,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:20,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975202175] [2023-11-19 08:02:20,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975202175] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:20,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1739041734] [2023-11-19 08:02:20,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:20,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:20,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 08:02:20,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 08:02:20,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 08:02:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:20,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:02:20,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 08:02:21,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:21,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1739041734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:21,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:21,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2023-11-19 08:02:21,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179414216] [2023-11-19 08:02:21,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:21,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:21,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:21,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:21,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=128, Unknown=1, NotChecked=22, Total=182 [2023-11-19 08:02:21,150 INFO L87 Difference]: Start difference. First operand has 64 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 08:02:23,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:02:25,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 08:02:25,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:25,416 INFO L93 Difference]: Finished difference Result 157 states and 267 transitions. [2023-11-19 08:02:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:25,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2023-11-19 08:02:25,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:25,449 INFO L225 Difference]: With dead ends: 157 [2023-11-19 08:02:25,450 INFO L226 Difference]: Without dead ends: 96 [2023-11-19 08:02:25,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=31, Invalid=128, Unknown=1, NotChecked=22, Total=182 [2023-11-19 08:02:25,456 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 42 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:25,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 159 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-19 08:02:25,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-19 08:02:25,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2023-11-19 08:02:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 73 states have internal predecessors, (102), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:02:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 138 transitions. [2023-11-19 08:02:25,506 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 138 transitions. Word has length 108 [2023-11-19 08:02:25,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:25,508 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 138 transitions. [2023-11-19 08:02:25,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 08:02:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2023-11-19 08:02:25,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 08:02:25,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:25,512 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:25,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:25,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:25,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:25,922 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:25,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:25,923 INFO L85 PathProgramCache]: Analyzing trace with hash -881136269, now seen corresponding path program 1 times [2023-11-19 08:02:25,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:25,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808067675] [2023-11-19 08:02:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:25,925 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:25,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:25,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:02:25,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02c0e36-1510-4af8-a8bb-b60f0993356e/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:26,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:02:26,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 152 proven. 33 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-19 08:02:27,015 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-19 08:02:27,458 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:27,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808067675] [2023-11-19 08:02:27,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808067675] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:27,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:02:27,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 08:02:27,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944882575] [2023-11-19 08:02:27,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:27,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:02:27,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:27,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:02:27,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:27,466 INFO L87 Difference]: Start difference. First operand 93 states and 138 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 08:02:30,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []