./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl --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 fe1fe0b5e0a3ec8c50f7deed8e5c41ff7c08f0d5f402373171036b554bec1d5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:19:52,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:19:52,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:19:52,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:19:52,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:19:52,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:19:52,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:19:52,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:19:52,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:19:52,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:19:52,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:19:52,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:19:52,865 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:19:52,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:19:52,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:19:52,868 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:19:52,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:19:52,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:19:52,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:19:52,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:19:52,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:19:52,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:19:52,871 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:19:52,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:19:52,872 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:19:52,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:19:52,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:19:52,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:19:52,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:52,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:19:52,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:19:52,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:19:52,876 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:19:52,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:19:52,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:19:52,877 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:19:52,877 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:19:52,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:19:52,878 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:19:52,878 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_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe1fe0b5e0a3ec8c50f7deed8e5c41ff7c08f0d5f402373171036b554bec1d5c [2023-11-12 02:19:53,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:19:53,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:19:53,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:19:53,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:19:53,214 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:19:53,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i [2023-11-12 02:19:56,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:19:56,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:19:56,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i [2023-11-12 02:19:56,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/data/5c2280959/c2f6719c09f84e3f9675690c42d023c0/FLAG5a646c76b [2023-11-12 02:19:56,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/data/5c2280959/c2f6719c09f84e3f9675690c42d023c0 [2023-11-12 02:19:56,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:19:56,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:19:56,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:56,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:19:56,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:19:56,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:56" (1/1) ... [2023-11-12 02:19:56,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105824c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:56, skipping insertion in model container [2023-11-12 02:19:56,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:56" (1/1) ... [2023-11-12 02:19:56,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:56,942 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_0f9babef-3e5f-4823-9cf7-47af9c5416b9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i[915,928] [2023-11-12 02:19:57,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:57,061 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:57,074 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_0f9babef-3e5f-4823-9cf7-47af9c5416b9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i[915,928] [2023-11-12 02:19:57,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:57,166 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:57,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57 WrapperNode [2023-11-12 02:19:57,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:57,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:57,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:57,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:57,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,232 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-12 02:19:57,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:57,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:57,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:57,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:57,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:57,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:57,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:57,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:57,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (1/1) ... [2023-11-12 02:19:57,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:57,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:57,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:57,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:19:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:19:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:19:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:57,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:57,494 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:57,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:19:57,873 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:19:57,887 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:19:57,887 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:19:57,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:57 BoogieIcfgContainer [2023-11-12 02:19:57,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:19:57,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:19:57,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:19:57,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:19:57,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:56" (1/3) ... [2023-11-12 02:19:57,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596565a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:57, skipping insertion in model container [2023-11-12 02:19:57,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:57" (2/3) ... [2023-11-12 02:19:57,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596565a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:57, skipping insertion in model container [2023-11-12 02:19:57,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:57" (3/3) ... [2023-11-12 02:19:57,900 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-80.i [2023-11-12 02:19:57,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:19:57,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:19:57,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:19:57,979 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;@72c111bf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:19:57,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:19:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:19:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 02:19:58,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:58,010 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:58,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:58,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:58,018 INFO L85 PathProgramCache]: Analyzing trace with hash 984032602, now seen corresponding path program 1 times [2023-11-12 02:19:58,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:58,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319502124] [2023-11-12 02:19:58,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:58,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:19:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-12 02:19:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-12 02:19:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:19:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:19:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:19:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:19:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-12 02:19:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:19:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:19:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:19:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:19:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-12 02:19:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:19:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:19:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:19:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-12 02:19:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:19:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-12 02:19:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:19:58,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:58,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319502124] [2023-11-12 02:19:58,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319502124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:58,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:58,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:19:58,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515563096] [2023-11-12 02:19:58,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:58,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:19:58,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:58,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:19:58,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:19:58,975 INFO L87 Difference]: Start difference. First operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:19:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:59,149 INFO L93 Difference]: Finished difference Result 169 states and 299 transitions. [2023-11-12 02:19:59,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:19:59,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2023-11-12 02:19:59,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:59,169 INFO L225 Difference]: With dead ends: 169 [2023-11-12 02:19:59,169 INFO L226 Difference]: Without dead ends: 111 [2023-11-12 02:19:59,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:19:59,178 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 95 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:59,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 233 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:19:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-12 02:19:59,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 59. [2023-11-12 02:19:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:19:59,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2023-11-12 02:19:59,230 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 125 [2023-11-12 02:19:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:59,232 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2023-11-12 02:19:59,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:19:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2023-11-12 02:19:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 02:19:59,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:59,237 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:59,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:19:59,238 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:59,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:59,238 INFO L85 PathProgramCache]: Analyzing trace with hash 591005592, now seen corresponding path program 1 times [2023-11-12 02:19:59,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:59,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955502568] [2023-11-12 02:19:59,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:59,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:19:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-12 02:19:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-12 02:19:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:19:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:19:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:19:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:19:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-12 02:19:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:19:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:19:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:19:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:19:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-12 02:19:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:19:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:19:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:19:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-12 02:19:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:19:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-12 02:19:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:19:59,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:59,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955502568] [2023-11-12 02:19:59,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955502568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:59,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:59,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:19:59,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706209297] [2023-11-12 02:19:59,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:59,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:19:59,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:59,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:19:59,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:59,759 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:19:59,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:59,850 INFO L93 Difference]: Finished difference Result 171 states and 252 transitions. [2023-11-12 02:19:59,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:19:59,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2023-11-12 02:19:59,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:59,855 INFO L225 Difference]: With dead ends: 171 [2023-11-12 02:19:59,855 INFO L226 Difference]: Without dead ends: 115 [2023-11-12 02:19:59,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:59,858 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 39 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:59,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 163 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:19:59,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-12 02:19:59,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2023-11-12 02:19:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 72 states have internal predecessors, (88), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-12 02:19:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2023-11-12 02:19:59,893 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 125 [2023-11-12 02:19:59,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:59,898 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2023-11-12 02:19:59,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:19:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2023-11-12 02:19:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 02:19:59,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:59,901 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:59,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:19:59,901 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:59,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:59,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1242198040, now seen corresponding path program 1 times [2023-11-12 02:19:59,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:59,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359246405] [2023-11-12 02:19:59,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:59,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:20:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-12 02:20:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-12 02:20:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:20:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:20:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:20:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:20:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-12 02:20:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:20:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:20:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:20:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:20:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-12 02:20:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:20:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:20:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:20:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-12 02:20:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-12 02:20:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-12 02:20:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:20:00,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:00,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359246405] [2023-11-12 02:20:00,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359246405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:00,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:00,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:20:00,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593083745] [2023-11-12 02:20:00,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:00,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:20:00,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:00,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:20:00,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:20:00,115 INFO L87 Difference]: Start difference. First operand 113 states and 164 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:20:00,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:00,139 INFO L93 Difference]: Finished difference Result 167 states and 240 transitions. [2023-11-12 02:20:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:20:00,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2023-11-12 02:20:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:00,142 INFO L225 Difference]: With dead ends: 167 [2023-11-12 02:20:00,142 INFO L226 Difference]: Without dead ends: 57 [2023-11-12 02:20:00,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:20:00,145 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 13 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:00,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 137 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:20:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-12 02:20:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-12 02:20:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 36 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:20:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 78 transitions. [2023-11-12 02:20:00,155 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 78 transitions. Word has length 125 [2023-11-12 02:20:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:00,156 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 78 transitions. [2023-11-12 02:20:00,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:20:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2023-11-12 02:20:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 02:20:00,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:00,159 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:00,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:20:00,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:00,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:00,160 INFO L85 PathProgramCache]: Analyzing trace with hash 124491509, now seen corresponding path program 1 times [2023-11-12 02:20:00,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:00,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145812194] [2023-11-12 02:20:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:00,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:20:00,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:20:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:20:00,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:20:00,460 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:20:00,463 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:20:00,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:20:00,468 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:20:00,472 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:20:00,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:20:00 BoogieIcfgContainer [2023-11-12 02:20:00,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:20:00,573 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:20:00,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:20:00,573 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:20:00,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:57" (3/4) ... [2023-11-12 02:20:00,576 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:20:00,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:20:00,578 INFO L158 Benchmark]: Toolchain (without parser) took 3906.19ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 109.7MB in the beginning and 77.9MB in the end (delta: 31.8MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,578 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:20:00,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.88ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 94.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.96ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,580 INFO L158 Benchmark]: Boogie Preprocessor took 38.18ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,580 INFO L158 Benchmark]: RCFGBuilder took 618.20ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 69.2MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,581 INFO L158 Benchmark]: TraceAbstraction took 2679.47ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 67.9MB in the beginning and 77.9MB in the end (delta: -10.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,581 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 199.2MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:20:00,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.88ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 94.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.96ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 91.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.18ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.20ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 69.2MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2679.47ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 67.9MB in the beginning and 77.9MB in the end (delta: -10.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 199.2MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryFLOATComparisonOperation at line 122. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 128; [L23] double var_1_2 = 24.25; [L24] double var_1_3 = 128.5; [L25] double var_1_4 = 4.5; [L26] double var_1_5 = 49.5; [L27] signed short int var_1_9 = -25; [L28] unsigned char var_1_10 = 200; [L29] unsigned char var_1_11 = 1; [L30] unsigned char var_1_12 = 1; [L31] double var_1_13 = 128.375; [L32] unsigned short int var_1_14 = 0; [L33] float var_1_15 = 0.0; [L34] float var_1_16 = 4.87; [L35] float var_1_17 = 8.875; [L36] signed short int var_1_18 = -128; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 1; [L39] unsigned char var_1_21 = 0; [L40] unsigned long int var_1_22 = 16; [L41] unsigned long int var_1_23 = 4200661734; [L42] unsigned char last_1_var_1_10 = 200; VAL [isInitial=0, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_2=97/4, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L126] isInitial = 1 [L127] FCALL initially() [L128] COND TRUE 1 [L129] CALL updateLastVariables() [L119] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_2=97/4, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L129] RET updateLastVariables() [L130] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L86] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L87] var_1_3 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L88] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L89] var_1_4 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=99/2, var_1_9=-25] [L90] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=99/2, var_1_9=-25] [L91] var_1_5 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L92] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L93] var_1_11 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L94] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L95] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L95] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L96] var_1_12 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L97] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L98] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L98] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L99] var_1_13 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L100] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L101] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L101] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L102] var_1_15 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L103] RET assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L104] var_1_16 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L105] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L106] var_1_17 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L107] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L108] var_1_20 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L109] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L110] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L110] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L111] var_1_21 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L112] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L113] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L113] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L114] var_1_23 = __VERIFIER_nondet_ulong() [L115] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L115] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L116] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L116] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L130] RET updateVariables() [L131] CALL step() [L46] signed long int stepLocal_0 = last_1_var_1_10; VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-25] [L47] COND TRUE stepLocal_0 >= last_1_var_1_10 [L48] var_1_9 = (-256 + last_1_var_1_10) VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L52] signed short int stepLocal_1 = var_1_9; VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L53] COND FALSE !(stepLocal_1 > 0) VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L56] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=200, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L59] COND TRUE ! (var_1_5 > (255.9 / var_1_13)) [L60] var_1_10 = var_1_12 VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L63] COND TRUE ((var_1_2 - var_1_3) * var_1_4) < var_1_5 [L64] var_1_1 = ((((-8) < ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10)))))) ? (-8) : ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))))) VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L68] COND FALSE !((var_1_17 <= (- var_1_16)) && var_1_19) VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L71] COND FALSE !(\read(var_1_19)) [L74] var_1_22 = (((((var_1_23 - var_1_9)) < (var_1_10)) ? ((var_1_23 - var_1_9)) : (var_1_10))) VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=54, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L76] COND TRUE ! var_1_19 VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=0, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=54, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L77] COND TRUE ((var_1_15 - var_1_16) - var_1_17) <= var_1_13 [L78] var_1_14 = var_1_18 VAL [isInitial=1, last_1_var_1_10=200, stepLocal_0=200, stepLocal_1=-56, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=65408, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=54, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L131] RET step() [L132] CALL, EXPR property() [L122-L123] return (((((((((var_1_2 - var_1_3) * var_1_4) < var_1_5) ? (var_1_1 == ((signed short int) ((((-8) < ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10)))))) ? (-8) : ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))))))) : (var_1_1 == ((signed short int) var_1_10))) && ((last_1_var_1_10 >= last_1_var_1_10) ? (var_1_9 == ((signed short int) (-256 + last_1_var_1_10))) : (var_1_9 == ((signed short int) (last_1_var_1_10 + last_1_var_1_10))))) && (var_1_19 ? (var_1_10 == ((unsigned char) ((((0) < (var_1_12)) ? (0) : (var_1_12))))) : ((! (var_1_5 > (255.9 / var_1_13))) ? (var_1_10 == ((unsigned char) var_1_12)) : 1))) && ((! var_1_19) ? ((((var_1_15 - var_1_16) - var_1_17) <= var_1_13) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (((var_1_17 <= (- var_1_16)) && var_1_19) ? (var_1_18 == ((signed short int) var_1_10)) : 1)) && ((var_1_9 > 0) ? (var_1_19 == ((unsigned char) ((var_1_5 >= (- var_1_15)) && (var_1_11 && (var_1_20 && var_1_21))))) : 1)) && (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_9 + var_1_10))) : (var_1_22 == ((unsigned long int) (((((var_1_23 - var_1_9)) < (var_1_10)) ? ((var_1_23 - var_1_9)) : (var_1_10)))))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=200, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=65408, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=54, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L132] RET, EXPR property() [L132] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=200, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=65408, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=54, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=200, var_1_10=54, var_1_11=1, var_1_12=54, var_1_13=4200661739, var_1_14=65408, var_1_15=4200661740, var_1_16=4200661741, var_1_17=4200661744, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=54, var_1_23=4294967294, var_1_3=4200661743, var_1_4=4200661742, var_1_5=4200661745, var_1_9=-56] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 533 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 286 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 247 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 54 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2052/2052 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 [2023-11-12 02:20:00,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl --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 fe1fe0b5e0a3ec8c50f7deed8e5c41ff7c08f0d5f402373171036b554bec1d5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:20:03,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:20:03,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:20:03,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:20:03,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:20:03,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:20:03,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:20:03,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:20:03,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:20:03,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:20:03,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:20:03,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:20:03,525 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:20:03,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:20:03,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:20:03,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:20:03,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:20:03,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:20:03,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:20:03,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:20:03,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:20:03,532 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:20:03,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:20:03,533 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:20:03,533 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:20:03,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:20:03,535 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:20:03,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:20:03,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:20:03,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:20:03,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:03,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:20:03,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:20:03,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:20:03,538 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:20:03,539 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:20:03,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:20:03,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:20:03,540 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:20:03,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:20:03,541 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:20:03,541 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:20:03,541 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_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe1fe0b5e0a3ec8c50f7deed8e5c41ff7c08f0d5f402373171036b554bec1d5c [2023-11-12 02:20:03,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:20:03,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:20:03,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:20:03,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:20:03,974 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:20:03,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i [2023-11-12 02:20:07,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:20:07,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:20:07,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i [2023-11-12 02:20:07,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/data/1e91ef866/55e5ef15b9eb4b97bf845848bb1d462c/FLAGb501df3a4 [2023-11-12 02:20:07,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/data/1e91ef866/55e5ef15b9eb4b97bf845848bb1d462c [2023-11-12 02:20:07,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:20:07,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:20:07,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:07,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:20:07,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:20:07,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:07" (1/1) ... [2023-11-12 02:20:07,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bad297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:07, skipping insertion in model container [2023-11-12 02:20:07,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:07" (1/1) ... [2023-11-12 02:20:07,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:20:07,832 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_0f9babef-3e5f-4823-9cf7-47af9c5416b9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i[915,928] [2023-11-12 02:20:07,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:07,911 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:20:07,933 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_0f9babef-3e5f-4823-9cf7-47af9c5416b9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-80.i[915,928] [2023-11-12 02:20:07,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:08,025 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:20:08,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08 WrapperNode [2023-11-12 02:20:08,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:08,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:20:08,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:20:08,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:20:08,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,119 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-12 02:20:08,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:20:08,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:20:08,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:20:08,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:20:08,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:20:08,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:20:08,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:20:08,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:20:08,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (1/1) ... [2023-11-12 02:20:08,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:08,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:20:08,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:20:08,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:20:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:20:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:20:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:20:08,395 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:20:08,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:20:21,841 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:20:21,848 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:20:21,849 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:20:21,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:21 BoogieIcfgContainer [2023-11-12 02:20:21,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:20:21,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:20:21,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:20:21,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:20:21,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:20:07" (1/3) ... [2023-11-12 02:20:21,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b71265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:21, skipping insertion in model container [2023-11-12 02:20:21,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:08" (2/3) ... [2023-11-12 02:20:21,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b71265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:21, skipping insertion in model container [2023-11-12 02:20:21,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:21" (3/3) ... [2023-11-12 02:20:21,861 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-80.i [2023-11-12 02:20:21,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:20:21,888 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:20:21,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:20:21,941 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;@2f913b5c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:20:21,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:20:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:20:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 02:20:21,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:21,963 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:21,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:21,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:21,970 INFO L85 PathProgramCache]: Analyzing trace with hash 984032602, now seen corresponding path program 1 times [2023-11-12 02:20:21,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:20:21,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504969803] [2023-11-12 02:20:21,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:21,993 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 [2023-11-12 02:20:21,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:20:22,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:20:22,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:20:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:23,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:20:23,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:20:23,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:20:23,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:20:23,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504969803] [2023-11-12 02:20:23,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504969803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:23,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:23,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:20:23,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064037143] [2023-11-12 02:20:23,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:23,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:20:23,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:20:23,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:20:23,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:20:23,796 INFO L87 Difference]: Start difference. First operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:20:27,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:20:29,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:20:31,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:20:33,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:20:33,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:33,342 INFO L93 Difference]: Finished difference Result 169 states and 299 transitions. [2023-11-12 02:20:33,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:20:33,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2023-11-12 02:20:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:33,616 INFO L225 Difference]: With dead ends: 169 [2023-11-12 02:20:33,616 INFO L226 Difference]: Without dead ends: 111 [2023-11-12 02:20:33,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:20:33,623 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 95 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:33,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 234 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 9.4s Time] [2023-11-12 02:20:33,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-12 02:20:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 59. [2023-11-12 02:20:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:20:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2023-11-12 02:20:33,678 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 125 [2023-11-12 02:20:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:33,681 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2023-11-12 02:20:33,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:20:33,681 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2023-11-12 02:20:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 02:20:33,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:33,685 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:33,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:20:33,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:20:33,886 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:33,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash 591005592, now seen corresponding path program 1 times [2023-11-12 02:20:33,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:20:33,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975975043] [2023-11-12 02:20:33,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:33,889 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 [2023-11-12 02:20:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:20:33,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:20:33,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:20:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:35,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:20:35,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:20:37,552 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:20:37,553 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:20:37,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975975043] [2023-11-12 02:20:37,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975975043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:37,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:37,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:20:37,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394617938] [2023-11-12 02:20:37,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:37,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:20:37,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:20:37,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:20:37,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:20:37,558 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:20:40,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:42,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:42,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:42,821 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2023-11-12 02:20:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:20:43,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2023-11-12 02:20:43,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:43,111 INFO L225 Difference]: With dead ends: 169 [2023-11-12 02:20:43,111 INFO L226 Difference]: Without dead ends: 113 [2023-11-12 02:20:43,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:20:43,114 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 14 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:43,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 157 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2023-11-12 02:20:43,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-12 02:20:43,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2023-11-12 02:20:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 70 states have (on average 1.2) internal successors, (84), 70 states have internal predecessors, (84), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-12 02:20:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2023-11-12 02:20:43,148 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 125 [2023-11-12 02:20:43,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:43,149 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2023-11-12 02:20:43,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:20:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2023-11-12 02:20:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 02:20:43,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:43,153 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:43,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:20:43,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:20:43,354 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:43,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:43,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1242198040, now seen corresponding path program 1 times [2023-11-12 02:20:43,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:20:43,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726951161] [2023-11-12 02:20:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:43,356 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 [2023-11-12 02:20:43,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:20:43,357 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:20:43,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f9babef-3e5f-4823-9cf7-47af9c5416b9/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 02:20:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:44,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:20:44,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:20:46,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:20:46,768 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:20:46,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726951161] [2023-11-12 02:20:46,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726951161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:46,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:46,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:20:46,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892133221] [2023-11-12 02:20:46,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:46,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:20:46,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:20:46,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:20:46,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:20:46,777 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:20:50,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:52,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:54,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:56,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []