./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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 8009c92c0bc1f14e05253c191e41de2ed06fe66fb83d374469f4967740c9bf82 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:27:14,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:27:14,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:27:14,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:27:14,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:27:14,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:27:14,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:27:14,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:27:14,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:27:14,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:27:14,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:27:14,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:27:14,965 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:27:14,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:27:14,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:27:14,968 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:27:14,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:27:14,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:27:14,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:27:14,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:27:14,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:27:14,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:27:14,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:27:14,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:27:14,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:27:14,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:27:14,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:27:14,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:27:14,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:27:14,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:27:14,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:27:14,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:27:14,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:27:14,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:27:14,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:27:14,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:27:14,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:27:14,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:27:14,979 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:27:14,979 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_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8009c92c0bc1f14e05253c191e41de2ed06fe66fb83d374469f4967740c9bf82 [2023-11-12 02:27:15,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:27:15,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:27:15,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:27:15,326 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:27:15,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:27:15,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-68.i [2023-11-12 02:27:18,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:27:18,874 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:27:18,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-68.i [2023-11-12 02:27:18,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/data/729cdb4ef/5dfbfd4b4c6c49e1832dd77e854ee8ad/FLAGa0a4e2978 [2023-11-12 02:27:18,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/data/729cdb4ef/5dfbfd4b4c6c49e1832dd77e854ee8ad [2023-11-12 02:27:18,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:27:18,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:27:18,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:27:18,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:27:18,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:27:18,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:27:18" (1/1) ... [2023-11-12 02:27:18,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd7c004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:18, skipping insertion in model container [2023-11-12 02:27:18,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:27:18" (1/1) ... [2023-11-12 02:27:18,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:27:19,171 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_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-68.i[915,928] [2023-11-12 02:27:19,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:27:19,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:27:19,267 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_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-68.i[915,928] [2023-11-12 02:27:19,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:27:19,325 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:27:19,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19 WrapperNode [2023-11-12 02:27:19,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:27:19,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:27:19,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:27:19,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:27:19,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,387 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-11-12 02:27:19,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:27:19,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:27:19,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:27:19,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:27:19,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:27:19,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:27:19,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:27:19,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:27:19,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (1/1) ... [2023-11-12 02:27:19,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:27:19,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:19,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:27:19,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:27:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:27:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:27:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:27:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:27:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:27:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:27:19,589 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:27:19,591 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:27:19,916 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:27:19,922 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:27:19,922 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:27:19,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:27:19 BoogieIcfgContainer [2023-11-12 02:27:19,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:27:19,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:27:19,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:27:19,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:27:19,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:27:18" (1/3) ... [2023-11-12 02:27:19,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f4b89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:27:19, skipping insertion in model container [2023-11-12 02:27:19,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:19" (2/3) ... [2023-11-12 02:27:19,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f4b89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:27:19, skipping insertion in model container [2023-11-12 02:27:19,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:27:19" (3/3) ... [2023-11-12 02:27:19,942 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-68.i [2023-11-12 02:27:19,961 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:27:19,962 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:27:20,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:27:20,034 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;@278177a7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:27:20,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:27:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-12 02:27:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-12 02:27:20,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:20,055 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:27:20,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:27:20,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:20,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1670645134, now seen corresponding path program 1 times [2023-11-12 02:27:20,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:20,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668774893] [2023-11-12 02:27:20,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:20,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:20,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:20,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668774893] [2023-11-12 02:27:20,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:27:20,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770272593] [2023-11-12 02:27:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:20,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:20,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:20,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:27:20,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:27:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:20,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:27:20,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:27:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-11-12 02:27:20,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:27:20,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770272593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:20,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:20,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:27:20,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665758600] [2023-11-12 02:27:20,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:20,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:27:20,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:20,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:27:20,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:27:20,545 INFO L87 Difference]: Start difference. First operand has 53 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:27:20,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:20,574 INFO L93 Difference]: Finished difference Result 99 states and 164 transitions. [2023-11-12 02:27:20,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:27:20,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2023-11-12 02:27:20,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:27:20,584 INFO L225 Difference]: With dead ends: 99 [2023-11-12 02:27:20,584 INFO L226 Difference]: Without dead ends: 49 [2023-11-12 02:27:20,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:27:20,592 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:27:20,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:27:20,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-12 02:27:20,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-12 02:27:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-12 02:27:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2023-11-12 02:27:20,642 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 94 [2023-11-12 02:27:20,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:27:20,643 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2023-11-12 02:27:20,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:27:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-11-12 02:27:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-12 02:27:20,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:20,649 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:27:20,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:27:20,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:27:20,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:27:20,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:20,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1259279418, now seen corresponding path program 1 times [2023-11-12 02:27:20,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:20,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188103364] [2023-11-12 02:27:20,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:20,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:20,954 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:27:20,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818979979] [2023-11-12 02:27:20,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:20,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:20,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:20,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:27:20,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:27:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:21,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:27:21,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:27:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:27:21,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:27:21,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:21,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188103364] [2023-11-12 02:27:21,362 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:27:21,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818979979] [2023-11-12 02:27:21,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818979979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:21,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:21,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:27:21,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698893072] [2023-11-12 02:27:21,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:21,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:27:21,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:21,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:27:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:27:21,366 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:27:21,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:21,460 INFO L93 Difference]: Finished difference Result 112 states and 163 transitions. [2023-11-12 02:27:21,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:27:21,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94 [2023-11-12 02:27:21,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:27:21,463 INFO L225 Difference]: With dead ends: 112 [2023-11-12 02:27:21,463 INFO L226 Difference]: Without dead ends: 66 [2023-11-12 02:27:21,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 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 02:27:21,466 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 23 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:27:21,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 176 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:27:21,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-12 02:27:21,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 57. [2023-11-12 02:27:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-12 02:27:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2023-11-12 02:27:21,480 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 94 [2023-11-12 02:27:21,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:27:21,482 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2023-11-12 02:27:21,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:27:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2023-11-12 02:27:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-12 02:27:21,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:21,487 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:27:21,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:27:21,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:21,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:27:21,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:21,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1690138214, now seen corresponding path program 1 times [2023-11-12 02:27:21,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:21,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012386300] [2023-11-12 02:27:21,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:21,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:21,759 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:27:21,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199529542] [2023-11-12 02:27:21,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:21,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:21,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:21,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:27:21,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:27:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:21,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:27:21,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:27:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 165 proven. 27 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-12 02:27:22,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:27:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-12 02:27:22,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:22,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012386300] [2023-11-12 02:27:22,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:27:22,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199529542] [2023-11-12 02:27:22,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199529542] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:27:22,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:27:22,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2023-11-12 02:27:22,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823757010] [2023-11-12 02:27:22,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:27:22,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:27:22,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:22,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:27:22,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:27:22,648 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-12 02:27:23,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:23,334 INFO L93 Difference]: Finished difference Result 218 states and 316 transitions. [2023-11-12 02:27:23,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:27:23,335 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 95 [2023-11-12 02:27:23,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:27:23,339 INFO L225 Difference]: With dead ends: 218 [2023-11-12 02:27:23,340 INFO L226 Difference]: Without dead ends: 164 [2023-11-12 02:27:23,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=269, Unknown=0, NotChecked=0, Total=420 [2023-11-12 02:27:23,343 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 200 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:27:23,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 230 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:27:23,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-12 02:27:23,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 126. [2023-11-12 02:27:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 94 states have internal predecessors, (130), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 02:27:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 186 transitions. [2023-11-12 02:27:23,386 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 186 transitions. Word has length 95 [2023-11-12 02:27:23,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:27:23,387 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 186 transitions. [2023-11-12 02:27:23,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-12 02:27:23,387 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 186 transitions. [2023-11-12 02:27:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-12 02:27:23,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:23,393 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:27:23,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-12 02:27:23,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-12 02:27:23,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:27:23,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:23,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1010079844, now seen corresponding path program 1 times [2023-11-12 02:27:23,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:23,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91145166] [2023-11-12 02:27:23,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:23,660 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:27:23,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [983312403] [2023-11-12 02:27:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:23,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:23,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:23,663 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:27:23,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:27:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:23,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:27:23,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:27:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:27:24,154 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:27:24,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:24,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91145166] [2023-11-12 02:27:24,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:27:24,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983312403] [2023-11-12 02:27:24,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983312403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:24,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:24,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:27:24,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182276040] [2023-11-12 02:27:24,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:24,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:27:24,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:24,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:24,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:24,162 INFO L87 Difference]: Start difference. First operand 126 states and 186 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:27:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:24,435 INFO L93 Difference]: Finished difference Result 258 states and 374 transitions. [2023-11-12 02:27:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:27:24,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2023-11-12 02:27:24,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:27:24,439 INFO L225 Difference]: With dead ends: 258 [2023-11-12 02:27:24,439 INFO L226 Difference]: Without dead ends: 133 [2023-11-12 02:27:24,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:27:24,442 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 73 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:27:24,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 249 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:27:24,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-12 02:27:24,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 118. [2023-11-12 02:27:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 02:27:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2023-11-12 02:27:24,467 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 95 [2023-11-12 02:27:24,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:27:24,468 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2023-11-12 02:27:24,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:27:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2023-11-12 02:27:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-12 02:27:24,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:24,471 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:27:24,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:27:24,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:24,678 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:27:24,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:24,679 INFO L85 PathProgramCache]: Analyzing trace with hash 112742709, now seen corresponding path program 1 times [2023-11-12 02:27:24,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:24,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378286319] [2023-11-12 02:27:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:24,741 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:27:24,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805552979] [2023-11-12 02:27:24,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:24,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:27:24,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:24,754 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:27:24,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:27:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:24,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 02:27:24,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:27:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 27 proven. 12 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-12 02:27:25,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:27:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-12 02:27:38,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:38,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378286319] [2023-11-12 02:27:38,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:27:38,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805552979] [2023-11-12 02:27:38,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805552979] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:27:38,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:27:38,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-11-12 02:27:38,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216899824] [2023-11-12 02:27:38,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:38,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:27:38,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:38,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:27:38,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:27:38,454 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:27:52,263 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-12 02:28:03,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-12 02:28:11,851 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-12 02:28:12,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:12,651 INFO L93 Difference]: Finished difference Result 360 states and 524 transitions. [2023-11-12 02:28:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-12 02:28:12,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 96 [2023-11-12 02:28:12,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:12,655 INFO L225 Difference]: With dead ends: 360 [2023-11-12 02:28:12,656 INFO L226 Difference]: Without dead ends: 358 [2023-11-12 02:28:12,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 32.9s TimeCoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2023-11-12 02:28:12,658 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 181 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 105 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:28:12,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 400 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-11-12 02:28:12,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-11-12 02:28:12,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 225. [2023-11-12 02:28:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 169 states have (on average 1.3136094674556213) internal successors, (222), 171 states have internal predecessors, (222), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 47 states have call predecessors, (49), 49 states have call successors, (49) [2023-11-12 02:28:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 320 transitions. [2023-11-12 02:28:12,751 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 320 transitions. Word has length 96 [2023-11-12 02:28:12,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:12,752 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 320 transitions. [2023-11-12 02:28:12,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-12 02:28:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 320 transitions. [2023-11-12 02:28:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 02:28:12,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:12,755 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:12,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-12 02:28:12,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:28:12,961 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:12,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:12,961 INFO L85 PathProgramCache]: Analyzing trace with hash -597585552, now seen corresponding path program 1 times [2023-11-12 02:28:12,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:12,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441370247] [2023-11-12 02:28:12,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:12,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:13,006 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:28:13,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769274355] [2023-11-12 02:28:13,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:13,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:28:13,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:28:13,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:28:13,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:28:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:13,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:28:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:13,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:28:13,252 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:28:13,253 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:28:13,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:28:13,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:28:13,466 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:28:13,470 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:28:13,553 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:28:13,563 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-12 02:28:13,564 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-12 02:28:13,566 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-12 02:28:13,566 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-12 02:28:13,567 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-12 02:28:13,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:28:13 BoogieIcfgContainer [2023-11-12 02:28:13,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:28:13,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:28:13,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:28:13,600 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:28:13,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:27:19" (3/4) ... [2023-11-12 02:28:13,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:28:13,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:28:13,604 INFO L158 Benchmark]: Toolchain (without parser) took 54683.68ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 92.6MB in the beginning and 113.7MB in the end (delta: -21.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:13,604 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 100.7MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:28:13,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.94ms. Allocated memory is still 134.2MB. Free memory was 92.1MB in the beginning and 80.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:28:13,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.19ms. Allocated memory is still 134.2MB. Free memory was 80.5MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:13,605 INFO L158 Benchmark]: Boogie Preprocessor took 45.76ms. Allocated memory is still 134.2MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:13,605 INFO L158 Benchmark]: RCFGBuilder took 489.39ms. Allocated memory is still 134.2MB. Free memory was 77.1MB in the beginning and 98.9MB in the end (delta: -21.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-12 02:28:13,606 INFO L158 Benchmark]: TraceAbstraction took 53672.95ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 98.2MB in the beginning and 113.7MB in the end (delta: -15.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-12 02:28:13,606 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 161.5MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:28:13,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 100.7MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.94ms. Allocated memory is still 134.2MB. Free memory was 92.1MB in the beginning and 80.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.19ms. Allocated memory is still 134.2MB. Free memory was 80.5MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.76ms. Allocated memory is still 134.2MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.39ms. Allocated memory is still 134.2MB. Free memory was 77.1MB in the beginning and 98.9MB in the end (delta: -21.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 53672.95ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 98.2MB in the beginning and 113.7MB in the end (delta: -15.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 161.5MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of shiftRight at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] float var_1_2 = 64.5; [L24] float var_1_3 = 16.8; [L25] signed long int var_1_8 = 10; [L26] signed long int var_1_9 = 25; [L27] double var_1_10 = 0.75; [L28] signed long int var_1_11 = 2; [L29] signed long int var_1_12 = 32; [L30] unsigned char var_1_13 = 0; [L31] unsigned char var_1_14 = 0; [L32] double var_1_15 = 50.2; [L33] signed long int last_1_var_1_9 = 25; [L34] double last_1_var_1_10 = 0.75; VAL [isInitial=0, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=25] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L90] last_1_var_1_9 = var_1_9 [L91] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=25] [L101] RET updateLastVariables() [L102] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_float() [L67] 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=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=84/5, var_1_8=10, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=84/5, var_1_8=10, var_1_9=25] [L67] 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=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=84/5, var_1_8=10, var_1_9=25] [L68] var_1_3 = __VERIFIER_nondet_float() [L69] 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=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=10, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=10, var_1_9=25] [L69] 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=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=10, var_1_9=25] [L70] var_1_8 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L71] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L72] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L72] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L73] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=2, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L74] var_1_11 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L75] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L76] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L76] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L77] var_1_12 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L78] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L79] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L79] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L80] var_1_13 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L81] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L82] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L82] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L83] var_1_14 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L84] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L85] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L85] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=251/5, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L86] var_1_15 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L87] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L102] RET updateVariables() [L103] CALL step() [L38] signed long int stepLocal_0 = last_1_var_1_9 + last_1_var_1_9; VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=32, var_1_3=2, var_1_8=27, var_1_9=25] [L39] COND FALSE !((var_1_2 - var_1_3) >= last_1_var_1_10) [L44] var_1_1 = last_1_var_1_9 VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L46] signed long int stepLocal_2 = var_1_1; [L47] signed long int stepLocal_1 = var_1_1; VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_1=25, stepLocal_2=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L48] EXPR var_1_8 >> last_1_var_1_9 VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_1=25, stepLocal_2=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L48] COND FALSE !((var_1_8 >> last_1_var_1_9) > stepLocal_1) [L55] var_1_9 = last_1_var_1_9 VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_1=25, stepLocal_2=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L57] COND TRUE ((((var_1_9) > (var_1_1)) ? (var_1_9) : (var_1_1))) == (var_1_9 * (var_1_11 - var_1_12)) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_1=25, stepLocal_2=25, var_1_10=3/4, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L58] COND TRUE var_1_13 || var_1_14 [L59] var_1_10 = var_1_15 VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, stepLocal_0=50, stepLocal_1=25, stepLocal_2=25, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR (((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9))) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L94] EXPR var_1_8 >> last_1_var_1_9 VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L94] EXPR (((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9))) VAL [isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L94-L95] return ((((var_1_2 - var_1_3) >= last_1_var_1_10) ? (((last_1_var_1_9 + last_1_var_1_9) >= (last_1_var_1_9 / var_1_8)) ? (var_1_1 == ((signed long int) last_1_var_1_9)) : 1) : (var_1_1 == ((signed long int) last_1_var_1_9))) && (((var_1_8 >> last_1_var_1_9) > var_1_1) ? (((var_1_1 >> 8) > var_1_1) ? (var_1_9 == ((signed long int) var_1_1)) : (var_1_9 == ((signed long int) last_1_var_1_9))) : (var_1_9 == ((signed long int) last_1_var_1_9)))) && ((((((var_1_9) > (var_1_1)) ? (var_1_9) : (var_1_1))) == (var_1_9 * (var_1_11 - var_1_12))) ? ((var_1_13 || var_1_14) ? (var_1_10 == ((double) var_1_15)) : (var_1_10 == ((double) var_1_15))) : 1) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/4, last_1_var_1_9=25, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=1, var_1_14=1, var_1_15=3, var_1_1=25, var_1_3=2, var_1_8=27, var_1_9=25] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.5s, OverallIterations: 6, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 477 mSDsluCounter, 1126 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 810 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 866 IncrementalHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 316 mSDtfsCounter, 866 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 633 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 33.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=5, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 195 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.0s InterpolantComputationTime, 665 NumberOfCodeBlocks, 665 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 658 ConstructedInterpolants, 6 QuantifiedInterpolants, 2125 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1172 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 2482/2548 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 02:28:13,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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 8009c92c0bc1f14e05253c191e41de2ed06fe66fb83d374469f4967740c9bf82 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:28:16,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:28:16,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:28:16,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:28:16,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:28:16,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:28:16,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:28:16,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:28:16,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:28:16,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:28:16,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:28:16,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:28:16,491 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:28:16,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:28:16,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:28:16,494 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:28:16,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:28:16,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:28:16,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:28:16,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:28:16,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:28:16,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:28:16,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:28:16,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:28:16,498 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:28:16,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:28:16,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:28:16,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:28:16,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:28:16,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:28:16,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:16,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:28:16,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:28:16,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:28:16,503 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:28:16,503 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:28:16,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:28:16,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:28:16,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:28:16,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:28:16,505 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:28:16,506 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:28:16,506 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_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8009c92c0bc1f14e05253c191e41de2ed06fe66fb83d374469f4967740c9bf82 [2023-11-12 02:28:16,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:28:16,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:28:16,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:28:16,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:28:16,982 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:28:16,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeb9c84-eaef-4335-b7da-41bd14f0ca85/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-68.i