./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 29f3b33aa76fbd79b42fdd0c3fff670150c31cac386cea2ae8894bfbaea7ba77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:05:32,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:05:32,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:05:32,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:05:32,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:05:32,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:05:32,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:05:32,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:05:32,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:05:32,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:05:32,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:05:32,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:05:32,920 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:05:32,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:05:32,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:05:32,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:05:32,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:05:32,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:05:32,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:05:32,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:05:32,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:05:32,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:05:32,926 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:05:32,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:05:32,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:05:32,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:05:32,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:05:32,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:05:32,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:05:32,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:05:32,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:05:32,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:05:32,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:05:32,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:05:32,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:05:32,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:05:32,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:05:32,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:05:32,932 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:05:32,933 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_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29f3b33aa76fbd79b42fdd0c3fff670150c31cac386cea2ae8894bfbaea7ba77 [2023-11-06 23:05:33,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:05:33,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:05:33,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:05:33,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:05:33,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:05:33,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2023-11-06 23:05:36,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:05:36,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:05:36,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2023-11-06 23:05:36,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/data/d31895ca6/f436f740047841788ea1ec2f337770ea/FLAGa8adc77bc [2023-11-06 23:05:36,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/data/d31895ca6/f436f740047841788ea1ec2f337770ea [2023-11-06 23:05:36,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:05:36,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:05:36,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:05:36,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:05:36,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:05:36,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:36" (1/1) ... [2023-11-06 23:05:36,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1da840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:36, skipping insertion in model container [2023-11-06 23:05:36,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:36" (1/1) ... [2023-11-06 23:05:36,733 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:05:36,941 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_deeac8f4-125c-45e6-ade0-845b31e6b358/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i[919,932] [2023-11-06 23:05:37,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:05:37,092 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:05:37,105 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_deeac8f4-125c-45e6-ade0-845b31e6b358/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i[919,932] [2023-11-06 23:05:37,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:05:37,156 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:05:37,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37 WrapperNode [2023-11-06 23:05:37,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:05:37,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:05:37,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:05:37,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:05:37,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,241 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2023-11-06 23:05:37,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:05:37,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:05:37,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:05:37,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:05:37,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:05:37,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:05:37,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:05:37,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:05:37,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (1/1) ... [2023-11-06 23:05:37,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:05:37,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:37,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:05:37,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:05:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:05:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:05:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:05:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:05:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:05:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:05:37,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:05:37,569 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:05:38,116 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:05:38,125 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:05:38,125 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:05:38,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:38 BoogieIcfgContainer [2023-11-06 23:05:38,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:05:38,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:05:38,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:05:38,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:05:38,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:05:36" (1/3) ... [2023-11-06 23:05:38,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148cf0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:05:38, skipping insertion in model container [2023-11-06 23:05:38,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:37" (2/3) ... [2023-11-06 23:05:38,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148cf0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:05:38, skipping insertion in model container [2023-11-06 23:05:38,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:38" (3/3) ... [2023-11-06 23:05:38,137 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2023-11-06 23:05:38,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:05:38,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:05:38,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:05:38,222 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=LoopsAndPotentialCycles, 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;@5da604b1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:05:38,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:05:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 57 states have internal predecessors, (83), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 23:05:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:05:38,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:38,246 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:05:38,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:38,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:38,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1189131315, now seen corresponding path program 1 times [2023-11-06 23:05:38,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:38,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729787688] [2023-11-06 23:05:38,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:38,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:38,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:38,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729787688] [2023-11-06 23:05:38,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 23:05:38,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906757125] [2023-11-06 23:05:38,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:38,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:38,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:38,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:38,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:05:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:38,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:05:38,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:38,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2023-11-06 23:05:38,856 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:38,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906757125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:38,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:38,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:05:38,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457593296] [2023-11-06 23:05:38,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:38,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:05:38,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:38,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:05:38,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:05:38,918 INFO L87 Difference]: Start difference. First operand has 84 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 57 states have internal predecessors, (83), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 23:05:38,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:38,969 INFO L93 Difference]: Finished difference Result 161 states and 285 transitions. [2023-11-06 23:05:38,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:05:38,972 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 164 [2023-11-06 23:05:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:38,980 INFO L225 Difference]: With dead ends: 161 [2023-11-06 23:05:38,980 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 23:05:38,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:05:38,989 INFO L413 NwaCegarLoop]: 124 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, 124 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 [2023-11-06 23:05:38,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:05:39,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 23:05:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-06 23:05:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 23:05:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 124 transitions. [2023-11-06 23:05:39,093 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 124 transitions. Word has length 164 [2023-11-06 23:05:39,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:39,094 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 124 transitions. [2023-11-06 23:05:39,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 23:05:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2023-11-06 23:05:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:05:39,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:39,102 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:05:39,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 23:05:39,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 23:05:39,308 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:39,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:39,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1075220937, now seen corresponding path program 1 times [2023-11-06 23:05:39,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:39,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366377846] [2023-11-06 23:05:39,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:39,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:39,415 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:39,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558279584] [2023-11-06 23:05:39,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:39,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:39,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:39,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:39,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:05:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:39,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:05:39,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 23:05:39,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:39,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:39,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366377846] [2023-11-06 23:05:39,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:39,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558279584] [2023-11-06 23:05:39,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558279584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:39,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:39,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:05:39,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831603304] [2023-11-06 23:05:39,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:39,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:05:39,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:39,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:05:39,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:05:39,705 INFO L87 Difference]: Start difference. First operand 80 states and 124 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:05:39,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:39,820 INFO L93 Difference]: Finished difference Result 226 states and 350 transitions. [2023-11-06 23:05:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:05:39,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2023-11-06 23:05:39,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:39,831 INFO L225 Difference]: With dead ends: 226 [2023-11-06 23:05:39,835 INFO L226 Difference]: Without dead ends: 149 [2023-11-06 23:05:39,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:05:39,842 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 110 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:39,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 307 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:05:39,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-06 23:05:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2023-11-06 23:05:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-06 23:05:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 226 transitions. [2023-11-06 23:05:39,905 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 226 transitions. Word has length 164 [2023-11-06 23:05:39,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:39,908 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 226 transitions. [2023-11-06 23:05:39,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:05:39,909 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 226 transitions. [2023-11-06 23:05:39,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:05:39,912 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:39,912 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:05:39,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 23:05:40,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:40,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:40,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:40,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1662026951, now seen corresponding path program 1 times [2023-11-06 23:05:40,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:40,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75348062] [2023-11-06 23:05:40,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:40,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:40,223 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:40,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494024624] [2023-11-06 23:05:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:40,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:40,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:40,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:40,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:05:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:40,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:05:40,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:40,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 23:05:40,512 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:40,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:40,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75348062] [2023-11-06 23:05:40,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:40,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494024624] [2023-11-06 23:05:40,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494024624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:40,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:40,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:05:40,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873009266] [2023-11-06 23:05:40,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:40,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:05:40,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:40,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:05:40,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:05:40,517 INFO L87 Difference]: Start difference. First operand 147 states and 226 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:05:40,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:40,667 INFO L93 Difference]: Finished difference Result 370 states and 560 transitions. [2023-11-06 23:05:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:05:40,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2023-11-06 23:05:40,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:40,673 INFO L225 Difference]: With dead ends: 370 [2023-11-06 23:05:40,673 INFO L226 Difference]: Without dead ends: 226 [2023-11-06 23:05:40,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:05:40,676 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 244 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:40,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 488 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:05:40,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-11-06 23:05:40,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 217. [2023-11-06 23:05:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 156 states have (on average 1.3974358974358974) internal successors, (218), 158 states have internal predecessors, (218), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-06 23:05:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 330 transitions. [2023-11-06 23:05:40,736 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 330 transitions. Word has length 164 [2023-11-06 23:05:40,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:40,737 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 330 transitions. [2023-11-06 23:05:40,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:05:40,742 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 330 transitions. [2023-11-06 23:05:40,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:05:40,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:40,748 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:05:40,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:40,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:40,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:40,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:40,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1621823095, now seen corresponding path program 1 times [2023-11-06 23:05:40,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:40,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294130540] [2023-11-06 23:05:40,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:40,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:41,018 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:41,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [620180254] [2023-11-06 23:05:41,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:41,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:41,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:41,021 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:41,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:05:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:41,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 23:05:41,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 633 proven. 72 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-11-06 23:05:43,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:05:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 75 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-06 23:05:46,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:46,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294130540] [2023-11-06 23:05:46,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:46,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620180254] [2023-11-06 23:05:46,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620180254] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:05:46,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:05:46,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2023-11-06 23:05:46,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543524686] [2023-11-06 23:05:46,060 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:05:46,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-06 23:05:46,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 23:05:46,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2023-11-06 23:05:46,066 INFO L87 Difference]: Start difference. First operand 217 states and 330 transitions. Second operand has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 20 states have internal predecessors, (85), 6 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) [2023-11-06 23:06:01,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:01,376 INFO L93 Difference]: Finished difference Result 1407 states and 2119 transitions. [2023-11-06 23:06:01,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-11-06 23:06:01,377 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 20 states have internal predecessors, (85), 6 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) Word has length 164 [2023-11-06 23:06:01,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:01,392 INFO L225 Difference]: With dead ends: 1407 [2023-11-06 23:06:01,392 INFO L226 Difference]: Without dead ends: 1193 [2023-11-06 23:06:01,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1907 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=1387, Invalid=3869, Unknown=0, NotChecked=0, Total=5256 [2023-11-06 23:06:01,398 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 1549 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 743 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1550 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 2669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 743 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:01,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1550 Valid, 1057 Invalid, 2669 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [743 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-06 23:06:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2023-11-06 23:06:01,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 791. [2023-11-06 23:06:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 530 states have (on average 1.320754716981132) internal successors, (700), 539 states have internal predecessors, (700), 234 states have call successors, (234), 26 states have call predecessors, (234), 26 states have return successors, (234), 225 states have call predecessors, (234), 234 states have call successors, (234) [2023-11-06 23:06:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1168 transitions. [2023-11-06 23:06:01,805 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1168 transitions. Word has length 164 [2023-11-06 23:06:01,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:01,807 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1168 transitions. [2023-11-06 23:06:01,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 20 states have internal predecessors, (85), 6 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) [2023-11-06 23:06:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1168 transitions. [2023-11-06 23:06:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:06:01,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:01,811 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:01,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:02,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:02,020 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:02,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:02,021 INFO L85 PathProgramCache]: Analyzing trace with hash -335867075, now seen corresponding path program 1 times [2023-11-06 23:06:02,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:02,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456413344] [2023-11-06 23:06:02,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:02,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:02,107 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:02,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822233004] [2023-11-06 23:06:02,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:02,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:02,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:02,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:02,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:06:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:02,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:06:02,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-06 23:06:02,600 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-06 23:06:02,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:02,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456413344] [2023-11-06 23:06:02,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:02,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822233004] [2023-11-06 23:06:02,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822233004] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:06:02,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:06:02,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-06 23:06:02,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246896536] [2023-11-06 23:06:02,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:06:02,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:06:02,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:02,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:06:02,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:06:02,843 INFO L87 Difference]: Start difference. First operand 791 states and 1168 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-06 23:06:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:03,291 INFO L93 Difference]: Finished difference Result 1062 states and 1550 transitions. [2023-11-06 23:06:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:06:03,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 164 [2023-11-06 23:06:03,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:03,300 INFO L225 Difference]: With dead ends: 1062 [2023-11-06 23:06:03,300 INFO L226 Difference]: Without dead ends: 418 [2023-11-06 23:06:03,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:06:03,305 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 120 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:03,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 226 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:06:03,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2023-11-06 23:06:03,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 406. [2023-11-06 23:06:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 259 states have (on average 1.2393822393822393) internal successors, (321), 260 states have internal predecessors, (321), 125 states have call successors, (125), 21 states have call predecessors, (125), 21 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-11-06 23:06:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 571 transitions. [2023-11-06 23:06:03,493 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 571 transitions. Word has length 164 [2023-11-06 23:06:03,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:03,494 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 571 transitions. [2023-11-06 23:06:03,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-06 23:06:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 571 transitions. [2023-11-06 23:06:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:06:03,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:03,498 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:03,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:03,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:03,712 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:03,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:03,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1473700145, now seen corresponding path program 1 times [2023-11-06 23:06:03,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:03,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218601007] [2023-11-06 23:06:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:03,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:03,757 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:03,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2140986468] [2023-11-06 23:06:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:03,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:03,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:03,760 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:03,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:06:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:03,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:06:03,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 23:06:04,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:06:04,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:04,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218601007] [2023-11-06 23:06:04,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:04,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140986468] [2023-11-06 23:06:04,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140986468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:04,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:06:04,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:06:04,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727602050] [2023-11-06 23:06:04,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:04,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:06:04,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:04,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:06:04,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:06:04,664 INFO L87 Difference]: Start difference. First operand 406 states and 571 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:06:04,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:04,835 INFO L93 Difference]: Finished difference Result 568 states and 805 transitions. [2023-11-06 23:06:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:06:04,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2023-11-06 23:06:04,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:04,841 INFO L225 Difference]: With dead ends: 568 [2023-11-06 23:06:04,841 INFO L226 Difference]: Without dead ends: 408 [2023-11-06 23:06:04,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:06:04,843 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 29 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:04,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 353 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:06:04,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-06 23:06:04,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2023-11-06 23:06:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 259 states have (on average 1.22007722007722) internal successors, (316), 260 states have internal predecessors, (316), 125 states have call successors, (125), 21 states have call predecessors, (125), 21 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-11-06 23:06:04,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 566 transitions. [2023-11-06 23:06:04,990 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 566 transitions. Word has length 165 [2023-11-06 23:06:04,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:04,990 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 566 transitions. [2023-11-06 23:06:04,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:06:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 566 transitions. [2023-11-06 23:06:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:06:04,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:04,995 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:05,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:05,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 23:06:05,202 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:05,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:05,203 INFO L85 PathProgramCache]: Analyzing trace with hash -398667083, now seen corresponding path program 1 times [2023-11-06 23:06:05,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:05,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503308049] [2023-11-06 23:06:05,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:05,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:05,239 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:05,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1337607384] [2023-11-06 23:06:05,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:05,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:05,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:05,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:05,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:06:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:05,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 23:06:05,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 633 proven. 72 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-11-06 23:06:07,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:08,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:08,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503308049] [2023-11-06 23:06:08,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:08,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337607384] [2023-11-06 23:06:08,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337607384] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:06:08,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:06:08,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-11-06 23:06:08,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564865459] [2023-11-06 23:06:08,972 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:06:08,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:06:08,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:08,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:06:08,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2023-11-06 23:06:08,974 INFO L87 Difference]: Start difference. First operand 406 states and 566 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 23:06:10,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:10,959 INFO L93 Difference]: Finished difference Result 741 states and 1030 transitions. [2023-11-06 23:06:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 23:06:10,960 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 165 [2023-11-06 23:06:10,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:10,965 INFO L225 Difference]: With dead ends: 741 [2023-11-06 23:06:10,965 INFO L226 Difference]: Without dead ends: 491 [2023-11-06 23:06:10,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=308, Invalid=952, Unknown=0, NotChecked=0, Total=1260 [2023-11-06 23:06:10,969 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 462 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:10,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 502 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 23:06:10,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2023-11-06 23:06:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 413. [2023-11-06 23:06:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 266 states have (on average 1.2255639097744362) internal successors, (326), 267 states have internal predecessors, (326), 125 states have call successors, (125), 21 states have call predecessors, (125), 21 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-11-06 23:06:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 576 transitions. [2023-11-06 23:06:11,131 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 576 transitions. Word has length 165 [2023-11-06 23:06:11,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:11,132 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 576 transitions. [2023-11-06 23:06:11,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 23:06:11,133 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 576 transitions. [2023-11-06 23:06:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:06:11,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:11,136 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:11,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:11,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 23:06:11,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:11,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:11,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1376340279, now seen corresponding path program 1 times [2023-11-06 23:06:11,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:11,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035136294] [2023-11-06 23:06:11,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:11,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:11,392 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:11,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701888530] [2023-11-06 23:06:11,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:11,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:11,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:11,395 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:11,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:06:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:11,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:06:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:12,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:06:12,063 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:06:12,065 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:06:12,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:12,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:12,283 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:12,286 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:06:12,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:06:12 BoogieIcfgContainer [2023-11-06 23:06:12,474 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:06:12,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:06:12,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:06:12,475 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:06:12,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:38" (3/4) ... [2023-11-06 23:06:12,478 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:06:12,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:06:12,480 INFO L158 Benchmark]: Toolchain (without parser) took 35797.51ms. Allocated memory was 113.2MB in the beginning and 293.6MB in the end (delta: 180.4MB). Free memory was 69.7MB in the beginning and 152.0MB in the end (delta: -82.3MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. [2023-11-06 23:06:12,481 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:06:12,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.88ms. Allocated memory is still 113.2MB. Free memory was 69.7MB in the beginning and 54.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:06:12,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.64ms. Allocated memory is still 113.2MB. Free memory was 54.3MB in the beginning and 49.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:06:12,481 INFO L158 Benchmark]: Boogie Preprocessor took 48.14ms. Allocated memory is still 113.2MB. Free memory was 49.3MB in the beginning and 47.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:06:12,482 INFO L158 Benchmark]: RCFGBuilder took 836.63ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 47.0MB in the beginning and 113.6MB in the end (delta: -66.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-06 23:06:12,482 INFO L158 Benchmark]: TraceAbstraction took 34343.73ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 112.8MB in the beginning and 153.0MB in the end (delta: -40.3MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. [2023-11-06 23:06:12,483 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 293.6MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:06:12,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.88ms. Allocated memory is still 113.2MB. Free memory was 69.7MB in the beginning and 54.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.64ms. Allocated memory is still 113.2MB. Free memory was 54.3MB in the beginning and 49.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.14ms. Allocated memory is still 113.2MB. Free memory was 49.3MB in the beginning and 47.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 836.63ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 47.0MB in the beginning and 113.6MB in the end (delta: -66.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 34343.73ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 112.8MB in the beginning and 153.0MB in the end (delta: -40.3MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 293.6MB. Free memory is still 152.0MB. 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 179. 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_30 = 1; [L40] unsigned char var_1_31 = 1; [L41] unsigned char var_1_32 = 0; [L42] unsigned long int var_1_33 = 2; [L43] unsigned short int var_1_34 = 0; [L44] signed short int var_1_35 = -10; [L45] double var_1_36 = 128.5; [L46] double var_1_37 = 128.25; [L47] unsigned char var_1_40 = 2; [L48] unsigned char var_1_41 = 25; [L49] unsigned short int var_1_42 = 8; [L50] unsigned long int var_1_43 = 3563499258; [L51] unsigned long int var_1_44 = 1249494912; [L52] double last_1_var_1_1 = 5.05; [L53] unsigned short int last_1_var_1_9 = 1; [L54] unsigned long int last_1_var_1_11 = 8; [L55] unsigned char last_1_var_1_14 = 32; [L56] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_9 = var_1_9 [L174] last_1_var_1_11 = var_1_11 [L175] last_1_var_1_14 = var_1_14 [L176] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L186] RET updateLastVariables() [L187] CALL updateVariables() [L130] var_1_6 = __VERIFIER_nondet_double() [L131] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L131] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L132] var_1_7 = __VERIFIER_nondet_double() [L133] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=67/4, var_1_9=1] [L133] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=67/4, var_1_9=1] [L134] var_1_8 = __VERIFIER_nondet_double() [L135] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L135] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L136] var_1_13 = __VERIFIER_nondet_uchar() [L137] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L137] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L138] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L138] 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L139] var_1_15 = __VERIFIER_nondet_uchar() [L140] 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=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L140] 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=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L141] 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=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L141] 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=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L142] var_1_16 = __VERIFIER_nondet_uchar() [L143] 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=127, var_1_16=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L143] 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=127, var_1_16=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L144] 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=127, var_1_16=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L144] 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=127, var_1_16=127, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_uchar() [L146] 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=127, var_1_16=127, var_1_17=0, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L146] 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=127, var_1_16=127, var_1_17=0, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L147] 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=127, var_1_16=127, var_1_17=0, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L147] 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=127, var_1_16=127, var_1_17=0, 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_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L148] var_1_19 = __VERIFIER_nondet_ulong() [L149] 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L149] 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L150] 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L150] 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L151] var_1_30 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_30 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L152] RET assume_abort_if_not(var_1_30 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_30 <= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L153] RET assume_abort_if_not(var_1_30 <= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L154] var_1_32 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_32 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L155] RET assume_abort_if_not(var_1_32 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L156] CALL assume_abort_if_not(var_1_32 <= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L156] RET assume_abort_if_not(var_1_32 <= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L157] var_1_36 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L158] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L159] var_1_37 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L160] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L161] var_1_41 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_41 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L162] RET assume_abort_if_not(var_1_41 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_41 <= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L163] RET assume_abort_if_not(var_1_41 <= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L164] var_1_43 = __VERIFIER_nondet_ulong() [L165] CALL assume_abort_if_not(var_1_43 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L165] RET assume_abort_if_not(var_1_43 >= 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_43 <= 4294967295) 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L166] RET assume_abort_if_not(var_1_43 <= 4294967295) 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1249494912, var_1_7=2, var_1_8=3, var_1_9=1] [L167] var_1_44 = __VERIFIER_nondet_ulong() [L168] 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L168] 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L169] 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L169] 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=127, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L187] RET updateVariables() [L188] CALL step() [L60] COND TRUE \read(var_1_13) [L61] 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=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L65] 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=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L74] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L75] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L79] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L80] COND FALSE !(var_1_18 >= stepLocal_0) [L83] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L85] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L86] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L88] COND TRUE \read(var_1_20) [L89] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L91] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L92] COND FALSE !(((((var_1_9) < (var_1_18)) ? (var_1_9) : (var_1_18))) > 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=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L95] COND FALSE !((var_1_9 <= var_1_14) && 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L106] COND TRUE var_1_18 > (- var_1_18) [L107] var_1_31 = (var_1_30 && var_1_32) 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L109] var_1_33 = var_1_14 [L110] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L111] COND TRUE ((var_1_36 - var_1_37) + var_1_1) == var_1_1 [L112] var_1_35 = 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=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=1, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L114] COND FALSE !(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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=1, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L117] COND TRUE \read(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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=1, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L118] COND FALSE !(var_1_11 < 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=1, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L188] RET step() [L189] CALL, EXPR property() [L179-L180] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=1, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, var_1_44=1073741823, var_1_7=2, var_1_8=3, var_1_9=1] [L189] RET, EXPR property() [L189] 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=1, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, 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=0, var_1_15=127, var_1_16=127, var_1_17=0, var_1_18=4294967285, var_1_19=4294967294, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=1, var_1_36=4, var_1_37=5, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=4294967295, 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, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.1s, OverallIterations: 8, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2518 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2514 mSDsluCounter, 3057 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2017 mSDsCounter, 1087 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2884 IncrementalHoareTripleChecker+Invalid, 3971 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1087 mSolverCounterUnsat, 1040 mSDtfsCounter, 2884 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1647 GetRequests, 1526 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2168 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=791occurred in iteration=4, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 505 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1479 NumberOfCodeBlocks, 1479 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1469 ConstructedInterpolants, 0 QuantifiedInterpolants, 10043 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2869 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 10455/10800 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 [2023-11-06 23:06:12,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 29f3b33aa76fbd79b42fdd0c3fff670150c31cac386cea2ae8894bfbaea7ba77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:06:15,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:06:15,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:06:15,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:06:15,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:06:15,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:06:15,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:06:15,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:06:15,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:06:15,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:06:15,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:06:15,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:06:15,746 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:06:15,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:06:15,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:06:15,749 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:06:15,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:06:15,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:06:15,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:06:15,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:06:15,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:06:15,761 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:06:15,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:06:15,763 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:06:15,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:06:15,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:06:15,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:06:15,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:06:15,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:06:15,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:06:15,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:06:15,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:06:15,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:06:15,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:06:15,771 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:06:15,771 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:06:15,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:06:15,775 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:06:15,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:06:15,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:06:15,777 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:06:15,778 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:06:15,778 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_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29f3b33aa76fbd79b42fdd0c3fff670150c31cac386cea2ae8894bfbaea7ba77 [2023-11-06 23:06:16,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:06:16,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:06:16,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:06:16,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:06:16,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:06:16,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2023-11-06 23:06:19,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:06:19,984 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:06:19,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2023-11-06 23:06:19,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/data/c24824d68/58a1e4f74776493d9fd97e51bb4e9d6c/FLAGfb5524065 [2023-11-06 23:06:20,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/data/c24824d68/58a1e4f74776493d9fd97e51bb4e9d6c [2023-11-06 23:06:20,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:06:20,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:06:20,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:06:20,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:06:20,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:06:20,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8f5d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20, skipping insertion in model container [2023-11-06 23:06:20,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:06:20,356 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_deeac8f4-125c-45e6-ade0-845b31e6b358/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i[919,932] [2023-11-06 23:06:20,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:06:20,523 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:06:20,541 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_deeac8f4-125c-45e6-ade0-845b31e6b358/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i[919,932] [2023-11-06 23:06:20,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:06:20,599 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:06:20,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20 WrapperNode [2023-11-06 23:06:20,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:06:20,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:06:20,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:06:20,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:06:20,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,705 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-06 23:06:20,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:06:20,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:06:20,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:06:20,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:06:20,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:06:20,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:06:20,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:06:20,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:06:20,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (1/1) ... [2023-11-06 23:06:20,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:06:20,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:20,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:20,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:06:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:06:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:06:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:06:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:06:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:06:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:06:21,024 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:06:21,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:06:28,249 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:06:28,258 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:06:28,259 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:06:28,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:28 BoogieIcfgContainer [2023-11-06 23:06:28,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:06:28,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:06:28,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:06:28,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:06:28,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:06:20" (1/3) ... [2023-11-06 23:06:28,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9e4296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:06:28, skipping insertion in model container [2023-11-06 23:06:28,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:20" (2/3) ... [2023-11-06 23:06:28,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9e4296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:06:28, skipping insertion in model container [2023-11-06 23:06:28,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:28" (3/3) ... [2023-11-06 23:06:28,273 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2023-11-06 23:06:28,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:06:28,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:06:28,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:06:28,363 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=LoopsAndPotentialCycles, 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;@6c55d4c5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:06:28,363 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:06:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 23:06:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:06:28,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:28,404 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:28,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:28,423 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:28,424 INFO L85 PathProgramCache]: Analyzing trace with hash -153865889, now seen corresponding path program 1 times [2023-11-06 23:06:28,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:06:28,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558088617] [2023-11-06 23:06:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:28,444 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 [2023-11-06 23:06:28,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:06:28,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:06:28,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:06:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:29,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:06:29,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 23:06:29,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:06:29,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:06:29,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558088617] [2023-11-06 23:06:29,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558088617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:29,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:06:29,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:06:29,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873475520] [2023-11-06 23:06:29,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:29,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:06:29,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:06:29,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:06:29,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:06:29,341 INFO L87 Difference]: Start difference. First operand has 80 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:06:29,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:29,415 INFO L93 Difference]: Finished difference Result 152 states and 267 transitions. [2023-11-06 23:06:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:06:29,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2023-11-06 23:06:29,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:29,434 INFO L225 Difference]: With dead ends: 152 [2023-11-06 23:06:29,434 INFO L226 Difference]: Without dead ends: 75 [2023-11-06 23:06:29,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:06:29,445 INFO L413 NwaCegarLoop]: 113 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, 113 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 [2023-11-06 23:06:29,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:06:29,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-06 23:06:29,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-06 23:06:29,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 23:06:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2023-11-06 23:06:29,507 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 164 [2023-11-06 23:06:29,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:29,510 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2023-11-06 23:06:29,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:06:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2023-11-06 23:06:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:06:29,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:29,517 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:29,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:06:29,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:06:29,742 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:29,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:29,743 INFO L85 PathProgramCache]: Analyzing trace with hash 547198689, now seen corresponding path program 1 times [2023-11-06 23:06:29,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:06:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745391683] [2023-11-06 23:06:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:29,745 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 [2023-11-06 23:06:29,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:06:29,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:06:29,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:06:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:30,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 23:06:30,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2023-11-06 23:06:34,586 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:35,504 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:06:35,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745391683] [2023-11-06 23:06:35,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745391683] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:06:35,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1564968262] [2023-11-06 23:06:35,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:35,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 23:06:35,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 23:06:35,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 23:06:35,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-06 23:06:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:36,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:06:36,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 23:06:36,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:06:36,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1564968262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:36,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:06:36,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2023-11-06 23:06:36,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539702879] [2023-11-06 23:06:36,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:36,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:06:36,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:06:36,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:06:36,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:06:36,404 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:06:38,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:06:39,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:06:40,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:40,039 INFO L93 Difference]: Finished difference Result 216 states and 328 transitions. [2023-11-06 23:06:40,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:06:40,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2023-11-06 23:06:40,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:40,045 INFO L225 Difference]: With dead ends: 216 [2023-11-06 23:06:40,046 INFO L226 Difference]: Without dead ends: 144 [2023-11-06 23:06:40,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:06:40,049 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 99 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:40,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 296 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2023-11-06 23:06:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-06 23:06:40,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142. [2023-11-06 23:06:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 89 states have (on average 1.2921348314606742) internal successors, (115), 89 states have internal predecessors, (115), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-06 23:06:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2023-11-06 23:06:40,137 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 164 [2023-11-06 23:06:40,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:40,139 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2023-11-06 23:06:40,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:06:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2023-11-06 23:06:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:06:40,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:40,155 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:40,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-06 23:06:40,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:40,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:06:40,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:40,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:40,562 INFO L85 PathProgramCache]: Analyzing trace with hash -39607325, now seen corresponding path program 1 times [2023-11-06 23:06:40,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:06:40,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732702459] [2023-11-06 23:06:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:40,564 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 [2023-11-06 23:06:40,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:06:40,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:06:40,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 23:06:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:41,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 23:06:41,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2023-11-06 23:06:44,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:47,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:06:47,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732702459] [2023-11-06 23:06:47,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732702459] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:06:47,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [992781703] [2023-11-06 23:06:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:47,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 23:06:47,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 23:06:47,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 23:06:47,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 23:06:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:48,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:06:48,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 23:06:48,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:06:48,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [992781703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:48,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:06:48,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2023-11-06 23:06:48,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910707299] [2023-11-06 23:06:48,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:48,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:06:48,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:06:48,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:06:48,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:06:48,619 INFO L87 Difference]: Start difference. First operand 142 states and 215 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:06:50,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:06:51,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:51,284 INFO L93 Difference]: Finished difference Result 355 states and 527 transitions. [2023-11-06 23:06:51,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:06:51,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2023-11-06 23:06:51,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:51,290 INFO L225 Difference]: With dead ends: 355 [2023-11-06 23:06:51,290 INFO L226 Difference]: Without dead ends: 216 [2023-11-06 23:06:51,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:06:51,295 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 197 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:51,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 466 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-06 23:06:51,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-06 23:06:51,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 207. [2023-11-06 23:06:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 146 states have (on average 1.3424657534246576) internal successors, (196), 148 states have internal predecessors, (196), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-06 23:06:51,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 308 transitions. [2023-11-06 23:06:51,341 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 308 transitions. Word has length 164 [2023-11-06 23:06:51,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:51,342 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 308 transitions. [2023-11-06 23:06:51,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:06:51,343 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 308 transitions. [2023-11-06 23:06:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:06:51,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:51,347 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:51,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-06 23:06:51,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:51,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:06:51,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:51,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:51,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1050724575, now seen corresponding path program 1 times [2023-11-06 23:06:51,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:06:51,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084652762] [2023-11-06 23:06:51,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:51,756 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 [2023-11-06 23:06:51,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:06:51,757 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:06:51,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-06 23:06:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:52,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 23:06:52,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2023-11-06 23:06:55,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:56,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:06:56,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084652762] [2023-11-06 23:06:56,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084652762] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:06:56,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [427272665] [2023-11-06 23:06:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:56,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 23:06:56,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 23:06:56,822 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 23:06:56,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-06 23:06:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:58,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:06:58,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2023-11-06 23:07:01,135 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:07:01,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [427272665] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:07:01,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:07:01,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2023-11-06 23:07:01,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640550890] [2023-11-06 23:07:01,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:07:01,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 23:07:01,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:07:01,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 23:07:01,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:07:01,539 INFO L87 Difference]: Start difference. First operand 207 states and 308 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 23:07:04,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:07,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:09,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:11,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:13,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:15,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:17,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:19,924 WARN L539 Checker$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 [] [2023-11-06 23:07:21,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:22,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:22,852 INFO L93 Difference]: Finished difference Result 583 states and 861 transitions. [2023-11-06 23:07:22,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 23:07:22,853 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 164 [2023-11-06 23:07:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:22,860 INFO L225 Difference]: With dead ends: 583 [2023-11-06 23:07:22,860 INFO L226 Difference]: Without dead ends: 379 [2023-11-06 23:07:22,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2023-11-06 23:07:22,864 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 239 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 82 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:22,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 549 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 632 Invalid, 6 Unknown, 0 Unchecked, 20.6s Time] [2023-11-06 23:07:22,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-11-06 23:07:22,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 341. [2023-11-06 23:07:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 225 states have (on average 1.2844444444444445) internal successors, (289), 228 states have internal predecessors, (289), 106 states have call successors, (106), 9 states have call predecessors, (106), 9 states have return successors, (106), 103 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-06 23:07:22,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 501 transitions. [2023-11-06 23:07:22,948 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 501 transitions. Word has length 164 [2023-11-06 23:07:22,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:22,950 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 501 transitions. [2023-11-06 23:07:22,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-06 23:07:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 501 transitions. [2023-11-06 23:07:22,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 23:07:22,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:22,953 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:22,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:23,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:23,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:07:23,364 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:23,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:23,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1728551067, now seen corresponding path program 1 times [2023-11-06 23:07:23,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:07:23,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291758323] [2023-11-06 23:07:23,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:23,366 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 [2023-11-06 23:07:23,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:07:23,367 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:07:23,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-06 23:07:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:07:24,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-06 23:07:24,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:07:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-06 23:07:24,892 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:07:24,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291758323] [2023-11-06 23:07:24,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291758323] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:07:24,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:07:24,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-06 23:07:24,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134246165] [2023-11-06 23:07:24,893 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:07:24,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:07:24,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:07:24,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:07:24,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:07:24,895 INFO L87 Difference]: Start difference. First operand 341 states and 501 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-06 23:07:27,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:29,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:29,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:29,795 INFO L93 Difference]: Finished difference Result 512 states and 739 transitions. [2023-11-06 23:07:29,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:07:29,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 164 [2023-11-06 23:07:29,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:29,846 INFO L225 Difference]: With dead ends: 512 [2023-11-06 23:07:29,846 INFO L226 Difference]: Without dead ends: 301 [2023-11-06 23:07:29,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:07:29,849 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 98 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:29,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 192 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-11-06 23:07:29,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-06 23:07:29,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 230. [2023-11-06 23:07:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 144 states have (on average 1.1944444444444444) internal successors, (172), 144 states have internal predecessors, (172), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-06 23:07:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 322 transitions. [2023-11-06 23:07:29,919 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 322 transitions. Word has length 164 [2023-11-06 23:07:29,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:29,920 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 322 transitions. [2023-11-06 23:07:29,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-06 23:07:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 322 transitions. [2023-11-06 23:07:29,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:07:29,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:29,923 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:29,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:30,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:07:30,150 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:30,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:30,151 INFO L85 PathProgramCache]: Analyzing trace with hash 698443749, now seen corresponding path program 1 times [2023-11-06 23:07:30,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:07:30,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327510355] [2023-11-06 23:07:30,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:30,152 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 [2023-11-06 23:07:30,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:07:30,153 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:07:30,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-06 23:07:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:30,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:07:30,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 23:07:31,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:07:31,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:07:31,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327510355] [2023-11-06 23:07:31,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327510355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:31,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:31,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:07:31,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936780132] [2023-11-06 23:07:31,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:31,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:07:31,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:07:31,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:07:31,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:07:31,358 INFO L87 Difference]: Start difference. First operand 230 states and 322 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:07:33,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:35,805 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 [] [2023-11-06 23:07:35,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:35,807 INFO L93 Difference]: Finished difference Result 406 states and 570 transitions. [2023-11-06 23:07:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:07:35,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2023-11-06 23:07:35,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:35,842 INFO L225 Difference]: With dead ends: 406 [2023-11-06 23:07:35,842 INFO L226 Difference]: Without dead ends: 251 [2023-11-06 23:07:35,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:07:35,844 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 87 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:35,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 324 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-11-06 23:07:35,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-06 23:07:35,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 230. [2023-11-06 23:07:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 144 states have (on average 1.1597222222222223) internal successors, (167), 144 states have internal predecessors, (167), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-06 23:07:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 317 transitions. [2023-11-06 23:07:35,900 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 317 transitions. Word has length 165 [2023-11-06 23:07:35,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:35,901 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 317 transitions. [2023-11-06 23:07:35,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:07:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 317 transitions. [2023-11-06 23:07:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:07:35,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:35,904 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:35,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:36,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:07:36,118 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:36,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:36,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1643266251, now seen corresponding path program 1 times [2023-11-06 23:07:36,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:07:36,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718769504] [2023-11-06 23:07:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:36,119 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 [2023-11-06 23:07:36,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:07:36,121 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:07:36,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-06 23:07:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:36,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 23:07:36,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 654 proven. 153 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2023-11-06 23:07:41,986 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:07:42,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:07:42,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718769504] [2023-11-06 23:07:42,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718769504] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:07:42,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1589164611] [2023-11-06 23:07:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:42,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 23:07:42,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 23:07:42,889 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 23:07:42,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-06 23:07:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:44,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:07:44,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 23:07:45,299 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:07:45,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1589164611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:45,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:07:45,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2023-11-06 23:07:45,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676330824] [2023-11-06 23:07:45,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:45,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:07:45,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:07:45,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:07:45,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2023-11-06 23:07:45,302 INFO L87 Difference]: Start difference. First operand 230 states and 317 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:07:47,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:49,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:51,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:53,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:55,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:56,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:59,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:08:00,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:08:04,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:08:06,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:08:09,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:08:10,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:10,164 INFO L93 Difference]: Finished difference Result 607 states and 841 transitions. [2023-11-06 23:08:10,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 23:08:10,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2023-11-06 23:08:10,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:10,171 INFO L225 Difference]: With dead ends: 607 [2023-11-06 23:08:10,171 INFO L226 Difference]: Without dead ends: 526 [2023-11-06 23:08:10,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2023-11-06 23:08:10,173 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 402 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 309 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:10,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 535 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 436 Invalid, 4 Unknown, 0 Unchecked, 24.5s Time] [2023-11-06 23:08:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-11-06 23:08:10,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 318. [2023-11-06 23:08:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 204 states have (on average 1.1911764705882353) internal successors, (243), 204 states have internal predecessors, (243), 100 states have call successors, (100), 13 states have call predecessors, (100), 13 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-06 23:08:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 443 transitions. [2023-11-06 23:08:10,252 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 443 transitions. Word has length 165 [2023-11-06 23:08:10,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:10,253 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 443 transitions. [2023-11-06 23:08:10,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 23:08:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 443 transitions. [2023-11-06 23:08:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 23:08:10,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:10,256 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:10,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:08:10,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:08:10,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 23:08:10,682 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:10,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:10,683 INFO L85 PathProgramCache]: Analyzing trace with hash 131741111, now seen corresponding path program 1 times [2023-11-06 23:08:10,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:08:10,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159828729] [2023-11-06 23:08:10,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:10,684 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 [2023-11-06 23:08:10,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:08:10,686 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:08:10,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deeac8f4-125c-45e6-ade0-845b31e6b358/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-06 23:08:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 23:08:11,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:08:53,369 WARN L839 $PredicateComparison]: unable to prove that (and (= c_~var_1_18~0 (bvadd c_~var_1_19~0 (bvneg ((_ zero_extend 16) c_~last_1_var_1_9~0)) (bvneg c_~last_1_var_1_11~0))) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (= c_~var_1_9~0 (_ bv1 16)) (= c_~var_1_7~0 c_~var_1_1~0) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (bvadd ((_ zero_extend 24) c_~var_1_16~0) ((_ zero_extend 24) c_~var_1_15~0))) (.cse2 ((_ zero_extend 24) c_~var_1_17~0))) (let ((.cse1 (bvslt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_14~0) .cse1) (and (= c_~var_1_14~0 ((_ extract 7 0) .cse2)) (not .cse1))))) (or (not (fp.gt c_~var_1_6~0 c_~var_1_8~0)) (not (fp.lt c_~var_1_8~0 c_~last_1_var_1_1~0))) (exists ((~var_1_37~0 (_ FloatingPoint 11 53)) (~var_1_36~0 (_ FloatingPoint 11 53))) (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_36~0 ~var_1_37~0) c_~var_1_1~0) c_~var_1_1~0)) (= c_~var_1_12~0 c_~var_1_13~0) (let ((.cse3 (bvult c_~var_1_18~0 (_ bv1 32)))) (or (and (= (_ bv4 32) c_~var_1_11~0) (not .cse3)) (and .cse3 (= (bvadd (_ bv3 32) c_~var_1_18~0) c_~var_1_11~0)))) (not (fp.gt c_~var_1_6~0 c_~last_1_var_1_1~0)) (= c_~var_1_13~0 c_~var_1_20~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32))) is different from false [2023-11-06 23:09:00,252 WARN L839 $PredicateComparison]: unable to prove that (and (= c_~var_1_18~0 (bvadd c_~var_1_19~0 (bvneg ((_ zero_extend 16) c_~last_1_var_1_9~0)) (bvneg c_~last_1_var_1_11~0))) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (= c_~var_1_9~0 (_ bv1 16)) (= c_~var_1_7~0 c_~var_1_1~0) (not (bvuge ((_ zero_extend 24) c_~var_1_14~0) (bvnot c_~var_1_18~0))) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (bvadd ((_ zero_extend 24) c_~var_1_16~0) ((_ zero_extend 24) c_~var_1_15~0))) (.cse2 ((_ zero_extend 24) c_~var_1_17~0))) (let ((.cse1 (bvslt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_14~0) .cse1) (and (= c_~var_1_14~0 ((_ extract 7 0) .cse2)) (not .cse1))))) (or (not (fp.gt c_~var_1_6~0 c_~var_1_8~0)) (not (fp.lt c_~var_1_8~0 c_~last_1_var_1_1~0))) (exists ((~var_1_37~0 (_ FloatingPoint 11 53)) (~var_1_36~0 (_ FloatingPoint 11 53))) (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_36~0 ~var_1_37~0) c_~var_1_1~0) c_~var_1_1~0)) (= c_~var_1_12~0 c_~var_1_13~0) (let ((.cse3 (bvult c_~var_1_18~0 (_ bv1 32)))) (or (and (= (_ bv4 32) c_~var_1_11~0) (not .cse3)) (and .cse3 (= (bvadd (_ bv3 32) c_~var_1_18~0) c_~var_1_11~0)))) (not (fp.gt c_~var_1_6~0 c_~last_1_var_1_1~0)) (= c_~var_1_13~0 c_~var_1_20~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32))) is different from false