./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:29,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:29,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:02:29,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:29,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:29,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:29,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:29,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:29,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:30,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:30,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:30,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:30,006 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:30,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:30,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:30,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:30,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:30,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:30,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:30,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:30,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:30,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:30,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:30,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:30,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:30,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:30,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:30,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:30,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:30,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:30,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:30,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:30,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:30,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:30,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:30,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:30,019 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:30,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:30,019 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:30,020 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_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 [2023-11-19 08:02:30,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:30,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:30,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:30,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:30,412 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:30,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-19 08:02:33,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:33,903 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:33,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-19 08:02:33,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/data/8e405419c/633810dd6c6d4f64b51c3f8998d12df2/FLAG470304516 [2023-11-19 08:02:33,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/data/8e405419c/633810dd6c6d4f64b51c3f8998d12df2 [2023-11-19 08:02:33,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:33,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:33,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:33,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:33,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:33,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41aaa3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33, skipping insertion in model container [2023-11-19 08:02:33,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:34,184 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_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2023-11-19 08:02:34,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:34,255 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:34,268 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_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2023-11-19 08:02:34,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:34,332 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:34,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34 WrapperNode [2023-11-19 08:02:34,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:34,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:34,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:34,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:34,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,419 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-11-19 08:02:34,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:34,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:34,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:34,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:34,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:34,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:34,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:34,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:34,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (1/1) ... [2023-11-19 08:02:34,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:34,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:34,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:34,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:34,681 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:34,684 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:35,102 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:35,113 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:35,114 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:02:35,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:35 BoogieIcfgContainer [2023-11-19 08:02:35,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:35,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:35,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:35,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:35,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:33" (1/3) ... [2023-11-19 08:02:35,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f6a465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:35, skipping insertion in model container [2023-11-19 08:02:35,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:34" (2/3) ... [2023-11-19 08:02:35,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f6a465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:35, skipping insertion in model container [2023-11-19 08:02:35,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:35" (3/3) ... [2023-11-19 08:02:35,133 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-19 08:02:35,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:35,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:35,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:35,226 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2613471f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:35,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:02:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 08:02:35,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:35,248 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:35,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:35,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:35,257 INFO L85 PathProgramCache]: Analyzing trace with hash -367201464, now seen corresponding path program 1 times [2023-11-19 08:02:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:35,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109050653] [2023-11-19 08:02:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:35,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109050653] [2023-11-19 08:02:35,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:02:35,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404590076] [2023-11-19 08:02:35,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:35,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:35,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:35,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:35,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:02:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:02:35,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-19 08:02:35,810 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:35,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404590076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:35,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:35,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:35,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555247343] [2023-11-19 08:02:35,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:35,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:02:35,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:35,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:02:35,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:02:35,855 INFO L87 Difference]: Start difference. First operand has 73 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:02:35,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:35,892 INFO L93 Difference]: Finished difference Result 139 states and 236 transitions. [2023-11-19 08:02:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:02:35,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2023-11-19 08:02:35,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:35,924 INFO L225 Difference]: With dead ends: 139 [2023-11-19 08:02:35,924 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 08:02:35,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:02:35,933 INFO L413 NwaCegarLoop]: 104 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, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:35,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:35,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 08:02:35,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 08:02:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:02:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-19 08:02:35,993 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 133 [2023-11-19 08:02:35,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:35,994 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-19 08:02:35,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 08:02:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-19 08:02:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 08:02:36,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:36,001 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:36,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 08:02:36,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 08:02:36,202 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:36,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1283197120, now seen corresponding path program 1 times [2023-11-19 08:02:36,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:36,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46719124] [2023-11-19 08:02:36,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:36,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:36,353 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:02:36,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106423360] [2023-11-19 08:02:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:36,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:36,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:36,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:36,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:02:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:36,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:02:36,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-11-19 08:02:36,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 08:02:37,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:37,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46719124] [2023-11-19 08:02:37,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:02:37,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106423360] [2023-11-19 08:02:37,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106423360] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:37,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:02:37,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 08:02:37,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107069019] [2023-11-19 08:02:37,065 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:37,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:02:37,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:37,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:02:37,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:02:37,069 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-19 08:02:37,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:37,334 INFO L93 Difference]: Finished difference Result 141 states and 210 transitions. [2023-11-19 08:02:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:02:37,336 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 133 [2023-11-19 08:02:37,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:37,341 INFO L225 Difference]: With dead ends: 141 [2023-11-19 08:02:37,341 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 08:02:37,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:02:37,348 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 150 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:37,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 166 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:37,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 08:02:37,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2023-11-19 08:02:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:02:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 105 transitions. [2023-11-19 08:02:37,375 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 105 transitions. Word has length 133 [2023-11-19 08:02:37,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:37,380 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 105 transitions. [2023-11-19 08:02:37,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-19 08:02:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2023-11-19 08:02:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 08:02:37,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:37,392 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:37,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:37,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:37,612 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:37,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:37,613 INFO L85 PathProgramCache]: Analyzing trace with hash 575046638, now seen corresponding path program 1 times [2023-11-19 08:02:37,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:37,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101351629] [2023-11-19 08:02:37,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:37,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:37,671 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:02:37,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26871782] [2023-11-19 08:02:37,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:37,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:37,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:37,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:37,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:02:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:37,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:02:37,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-11-19 08:02:38,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 08:02:38,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:38,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101351629] [2023-11-19 08:02:38,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:02:38,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26871782] [2023-11-19 08:02:38,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26871782] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:38,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:02:38,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-19 08:02:38,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478539261] [2023-11-19 08:02:38,254 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:38,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 08:02:38,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:38,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 08:02:38,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:02:38,259 INFO L87 Difference]: Start difference. First operand 73 states and 105 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-19 08:02:38,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:38,566 INFO L93 Difference]: Finished difference Result 152 states and 220 transitions. [2023-11-19 08:02:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:02:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 134 [2023-11-19 08:02:38,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:38,578 INFO L225 Difference]: With dead ends: 152 [2023-11-19 08:02:38,578 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 08:02:38,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2023-11-19 08:02:38,583 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 137 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:38,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 361 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:38,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 08:02:38,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 75. [2023-11-19 08:02:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 52 states have internal predecessors, (67), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:02:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 107 transitions. [2023-11-19 08:02:38,606 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 107 transitions. Word has length 134 [2023-11-19 08:02:38,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:38,606 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 107 transitions. [2023-11-19 08:02:38,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-19 08:02:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-19 08:02:38,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 08:02:38,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:38,609 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:38,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:38,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:38,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:38,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:38,810 INFO L85 PathProgramCache]: Analyzing trace with hash 833212076, now seen corresponding path program 1 times [2023-11-19 08:02:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:38,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494134006] [2023-11-19 08:02:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:38,876 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:02:38,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082452790] [2023-11-19 08:02:38,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:38,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:38,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:38,883 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:38,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:02:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:39,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:02:39,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 08:02:39,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:39,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:39,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494134006] [2023-11-19 08:02:39,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:02:39,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082452790] [2023-11-19 08:02:39,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082452790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:39,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:39,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:02:39,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110198077] [2023-11-19 08:02:39,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:39,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:39,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:39,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:39,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:39,081 INFO L87 Difference]: Start difference. First operand 75 states and 107 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 08:02:39,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:39,356 INFO L93 Difference]: Finished difference Result 155 states and 218 transitions. [2023-11-19 08:02:39,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:02:39,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-11-19 08:02:39,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:39,360 INFO L225 Difference]: With dead ends: 155 [2023-11-19 08:02:39,361 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 08:02:39,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:02:39,368 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 123 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:39,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 180 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:02:39,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 08:02:39,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2023-11-19 08:02:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 55 states have internal predecessors, (68), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:02:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 108 transitions. [2023-11-19 08:02:39,395 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 108 transitions. Word has length 134 [2023-11-19 08:02:39,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:39,396 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 108 transitions. [2023-11-19 08:02:39,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 08:02:39,397 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2023-11-19 08:02:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 08:02:39,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:39,399 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:39,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:39,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:39,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:39,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:39,622 INFO L85 PathProgramCache]: Analyzing trace with hash 440185066, now seen corresponding path program 1 times [2023-11-19 08:02:39,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:39,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719243852] [2023-11-19 08:02:39,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:39,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:39,700 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:02:39,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985159154] [2023-11-19 08:02:39,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:39,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:39,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:39,707 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:39,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:02:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:39,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:39,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-19 08:02:40,664 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:40,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:40,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719243852] [2023-11-19 08:02:40,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:02:40,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985159154] [2023-11-19 08:02:40,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985159154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:40,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:40,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:02:40,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437007722] [2023-11-19 08:02:40,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:40,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:40,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:40,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:40,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:40,667 INFO L87 Difference]: Start difference. First operand 79 states and 108 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 08:02:40,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:40,737 INFO L93 Difference]: Finished difference Result 218 states and 298 transitions. [2023-11-19 08:02:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:02:40,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-11-19 08:02:40,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:40,740 INFO L225 Difference]: With dead ends: 218 [2023-11-19 08:02:40,740 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 08:02:40,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:40,741 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 81 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:40,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 412 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:40,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 08:02:40,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 82. [2023-11-19 08:02:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:02:40,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 111 transitions. [2023-11-19 08:02:40,760 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 111 transitions. Word has length 134 [2023-11-19 08:02:40,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:40,761 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 111 transitions. [2023-11-19 08:02:40,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 08:02:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 111 transitions. [2023-11-19 08:02:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 08:02:40,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:40,764 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:40,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:40,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:40,978 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:40,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:40,979 INFO L85 PathProgramCache]: Analyzing trace with hash -791965206, now seen corresponding path program 1 times [2023-11-19 08:02:40,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:40,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686440071] [2023-11-19 08:02:40,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:40,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:41,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:02:41,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109703074] [2023-11-19 08:02:41,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:41,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:41,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:41,036 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:41,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:02:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:41,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:41,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:41,311 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:02:41,312 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:02:41,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:41,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:41,538 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-19 08:02:41,542 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:41,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:02:41,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:02:41,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-19 08:02:41,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short21 could not be translated [2023-11-19 08:02:41,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-19 08:02:41,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:41 BoogieIcfgContainer [2023-11-19 08:02:41,648 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:41,649 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:41,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:41,649 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:41,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:35" (3/4) ... [2023-11-19 08:02:41,651 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:02:41,652 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:41,653 INFO L158 Benchmark]: Toolchain (without parser) took 7715.15ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 129.9MB in the beginning and 88.4MB in the end (delta: 41.5MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2023-11-19 08:02:41,653 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:41,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.40ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 116.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:41,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.08ms. Allocated memory is still 159.4MB. Free memory was 116.8MB in the beginning and 114.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:02:41,654 INFO L158 Benchmark]: Boogie Preprocessor took 55.30ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 112.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:41,655 INFO L158 Benchmark]: RCFGBuilder took 638.25ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 93.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 08:02:41,655 INFO L158 Benchmark]: TraceAbstraction took 6521.98ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 92.4MB in the beginning and 88.4MB in the end (delta: 4.0MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-11-19 08:02:41,655 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 192.9MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:41,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.40ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 116.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.08ms. Allocated memory is still 159.4MB. Free memory was 116.8MB in the beginning and 114.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.30ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 112.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 638.25ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 93.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6521.98ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 92.4MB in the beginning and 88.4MB in the end (delta: 4.0MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 192.9MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] float var_1_2 = 4.5; [L24] float var_1_3 = 64.8; [L25] float var_1_4 = 64.4; [L26] float var_1_5 = 0.2; [L27] signed short int var_1_7 = 10000; [L28] signed short int var_1_8 = 1; [L29] signed short int var_1_9 = 50; [L30] signed short int var_1_10 = 8; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 100; [L33] unsigned short int var_1_15 = 128; [L34] unsigned short int var_1_16 = 23647; [L35] unsigned short int var_1_17 = 32; [L36] signed char var_1_18 = 0; [L37] signed char var_1_19 = -50; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; VAL [isInitial=0, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=9/2, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] FCALL updateLastVariables() [L116] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L73] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] var_1_3 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L75] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L76] var_1_4 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L78] var_1_5 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=10000, var_1_8=1, var_1_9=50] [L79] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] var_1_7 = __VERIFIER_nondet_short() [L81] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=1, var_1_9=50] [L81] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=1, var_1_9=50] [L82] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=1, var_1_9=50] [L82] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=1, var_1_9=50] [L83] var_1_8 = __VERIFIER_nondet_short() [L84] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=50] [L84] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=50] [L85] CALL assume_abort_if_not(var_1_8 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=50] [L85] RET assume_abort_if_not(var_1_8 <= 8192) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=50] [L86] var_1_9 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_9 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_9 <= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L89] var_1_10 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L95] var_1_16 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L96] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L97] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L98] var_1_19 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L99] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L101] var_1_21 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L102] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L103] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L116] RET updateVariables() [L117] CALL step() [L43] var_1_18 = var_1_19 [L44] var_1_20 = var_1_21 [L45] signed char stepLocal_1 = var_1_18; [L46] signed long int stepLocal_0 = var_1_9 / var_1_7; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L47] EXPR var_1_8 << var_1_10 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L47] COND FALSE !(stepLocal_1 > (var_1_8 << var_1_10)) [L54] EXPR var_1_7 ^ var_1_18 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L54] signed long int stepLocal_2 = var_1_7 ^ var_1_18; [L55] COND FALSE !(var_1_14 >= stepLocal_2) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=8192, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L58] COND TRUE var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5)))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=8192, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L59] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=8192, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L69] var_1_17 = var_1_1 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=8192, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L108] EXPR (((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L108-L109] return ((((((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1)) && (var_1_17 == ((unsigned short int) var_1_1))) && (var_1_18 == ((signed char) var_1_19))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=8192, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 6, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 501 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 491 mSDsluCounter, 1223 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 741 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 545 IncrementalHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 482 mSDtfsCounter, 545 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 947 GetRequests, 907 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=5, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 935 NumberOfCodeBlocks, 935 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 928 ConstructedInterpolants, 0 QuantifiedInterpolants, 1516 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1600 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 5140/5320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:02:41,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:44,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:44,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:02:44,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:44,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:44,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:44,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:44,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:44,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:44,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:44,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:44,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:44,572 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:44,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:44,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:44,575 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:44,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:44,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:44,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:44,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:44,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:44,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:02:44,580 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:02:44,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:02:44,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:44,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:44,581 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:44,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:44,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:44,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:44,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:44,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:44,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:44,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:44,585 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:02:44,586 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:44,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:44,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:44,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:44,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:44,588 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:02:44,588 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:44,589 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_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 [2023-11-19 08:02:44,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:45,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:45,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:45,026 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:45,027 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:45,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-19 08:02:48,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:48,450 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:48,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-19 08:02:48,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/data/8135a56f1/bf363a46c79a4c5796a0a8804e0d6096/FLAG42512f957 [2023-11-19 08:02:48,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/data/8135a56f1/bf363a46c79a4c5796a0a8804e0d6096 [2023-11-19 08:02:48,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:48,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:48,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:48,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:48,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:48,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f88cbe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48, skipping insertion in model container [2023-11-19 08:02:48,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:48,685 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_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2023-11-19 08:02:48,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:48,756 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:48,783 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_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2023-11-19 08:02:48,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:48,846 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:48,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48 WrapperNode [2023-11-19 08:02:48,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:48,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:48,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:48,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:48,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,931 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-19 08:02:48,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:48,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:48,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:48,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:48,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:48,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:49,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:49,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:49,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:49,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:49,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:49,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (1/1) ... [2023-11-19 08:02:49,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:49,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:49,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:49,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:02:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:49,233 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:49,236 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:49,960 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:49,968 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:49,968 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:02:49,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:49 BoogieIcfgContainer [2023-11-19 08:02:49,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:49,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:49,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:49,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:49,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:48" (1/3) ... [2023-11-19 08:02:49,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5671cfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:49, skipping insertion in model container [2023-11-19 08:02:49,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:48" (2/3) ... [2023-11-19 08:02:49,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5671cfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:49, skipping insertion in model container [2023-11-19 08:02:49,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:49" (3/3) ... [2023-11-19 08:02:49,981 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-19 08:02:50,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:50,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:50,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:50,059 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2eece961, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:50,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:02:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 08:02:50,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:50,081 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:50,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:50,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:50,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1571513004, now seen corresponding path program 1 times [2023-11-19 08:02:50,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:50,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311773016] [2023-11-19 08:02:50,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:50,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:50,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:50,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:02:50,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:02:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:50,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:50,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 08:02:50,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:50,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:50,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311773016] [2023-11-19 08:02:50,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311773016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:50,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:50,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:02:50,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859881386] [2023-11-19 08:02:50,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:50,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:50,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:50,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:50,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:50,856 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 08:02:51,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:51,554 INFO L93 Difference]: Finished difference Result 119 states and 198 transitions. [2023-11-19 08:02:51,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:02:51,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2023-11-19 08:02:51,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:51,571 INFO L225 Difference]: With dead ends: 119 [2023-11-19 08:02:51,572 INFO L226 Difference]: Without dead ends: 63 [2023-11-19 08:02:51,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:02:51,582 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 82 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:51,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 116 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 08:02:51,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-19 08:02:51,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2023-11-19 08:02:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 08:02:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2023-11-19 08:02:51,638 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 127 [2023-11-19 08:02:51,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:51,642 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2023-11-19 08:02:51,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 08:02:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2023-11-19 08:02:51,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 08:02:51,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:51,657 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:51,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:51,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:51,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:51,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:51,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1514254702, now seen corresponding path program 1 times [2023-11-19 08:02:51,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:51,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669983714] [2023-11-19 08:02:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:51,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:51,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:51,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:02:51,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a9256b-77b8-4cfc-aab6-24280b13b4a8/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 08:02:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:52,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 08:02:52,223 INFO L285 TraceCheckSpWp]: Computing forward predicates...