./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme --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 75d80daf48c0e9a1b2603b3e6c05c803d462c7bec0bbf2b539c9d86e71cd2b87 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:50:06,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:50:06,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:50:06,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:50:06,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:50:06,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:50:06,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:50:06,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:50:06,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:50:06,429 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:50:06,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:50:06,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:50:06,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:50:06,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:50:06,434 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:50:06,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:50:06,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:50:06,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:50:06,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:50:06,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:50:06,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:50:06,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:50:06,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:50:06,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:50:06,439 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:50:06,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:50:06,440 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:50:06,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:50:06,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:50:06,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:50:06,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:50:06,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:06,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:50:06,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:50:06,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:50:06,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:50:06,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:50:06,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:50:06,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:50:06,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:50:06,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:50:06,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:50:06,460 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_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d80daf48c0e9a1b2603b3e6c05c803d462c7bec0bbf2b539c9d86e71cd2b87 [2023-11-26 10:50:06,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:50:06,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:50:06,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:50:06,786 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:50:06,787 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:50:06,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-11-26 10:50:09,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:50:10,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:50:10,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-11-26 10:50:10,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/data/f706c801c/7c9022454d0a4ff4bf595d25b85a4c40/FLAG79793119c [2023-11-26 10:50:10,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/data/f706c801c/7c9022454d0a4ff4bf595d25b85a4c40 [2023-11-26 10:50:10,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:50:10,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:50:10,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:10,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:50:10,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:50:10,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539fd014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10, skipping insertion in model container [2023-11-26 10:50:10,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:50:10,487 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_153d237a-071d-4ae2-8b3d-f00707bd4f5f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i[919,932] [2023-11-26 10:50:10,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:10,606 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:50:10,620 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_153d237a-071d-4ae2-8b3d-f00707bd4f5f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i[919,932] [2023-11-26 10:50:10,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:10,699 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:50:10,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10 WrapperNode [2023-11-26 10:50:10,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:10,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:10,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:50:10,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:50:10,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,780 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-26 10:50:10,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:10,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:50:10,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:50:10,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:50:10,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,834 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:50:10,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:50:10,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:50:10,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:50:10,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:50:10,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (1/1) ... [2023-11-26 10:50:10,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:10,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:10,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:50:10,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:50:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:50:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:50:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:50:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:50:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:50:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:50:11,067 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:50:11,069 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:50:11,642 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:50:11,717 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:50:11,717 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:50:11,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:11 BoogieIcfgContainer [2023-11-26 10:50:11,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:50:11,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:50:11,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:50:11,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:50:11,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:50:10" (1/3) ... [2023-11-26 10:50:11,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621d1f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:11, skipping insertion in model container [2023-11-26 10:50:11,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:10" (2/3) ... [2023-11-26 10:50:11,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621d1f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:11, skipping insertion in model container [2023-11-26 10:50:11,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:11" (3/3) ... [2023-11-26 10:50:11,732 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-11-26 10:50:11,752 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:50:11,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:50:11,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:50:11,844 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;@4519eb37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:50:11,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:50:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 52 states have internal predecessors, (84), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:50:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 10:50:11,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:11,888 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:11,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:11,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:11,895 INFO L85 PathProgramCache]: Analyzing trace with hash 659861763, now seen corresponding path program 1 times [2023-11-26 10:50:11,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:11,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389817279] [2023-11-26 10:50:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:12,188 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:50:12,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255488616] [2023-11-26 10:50:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:12,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:50:12,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:12,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:50:12,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:50:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:12,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:50:12,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:50:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:50:12,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:50:12,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:12,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389817279] [2023-11-26 10:50:12,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:50:12,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255488616] [2023-11-26 10:50:12,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255488616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:12,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:12,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:50:12,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256897510] [2023-11-26 10:50:12,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:12,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:12,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:12,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:12,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:12,672 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 52 states have internal predecessors, (84), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:50:12,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:12,793 INFO L93 Difference]: Finished difference Result 174 states and 318 transitions. [2023-11-26 10:50:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:12,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-11-26 10:50:12,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:12,810 INFO L225 Difference]: With dead ends: 174 [2023-11-26 10:50:12,810 INFO L226 Difference]: Without dead ends: 101 [2023-11-26 10:50:12,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:12,820 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 47 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:50:12,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 265 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:50:12,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-26 10:50:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 90. [2023-11-26 10:50:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.6176470588235294) internal successors, (110), 68 states have internal predecessors, (110), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:50:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 150 transitions. [2023-11-26 10:50:12,888 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 150 transitions. Word has length 133 [2023-11-26 10:50:12,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:12,892 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 150 transitions. [2023-11-26 10:50:12,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:50:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2023-11-26 10:50:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 10:50:12,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:12,897 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:12,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:50:13,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:50:13,104 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:13,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:13,105 INFO L85 PathProgramCache]: Analyzing trace with hash -928486139, now seen corresponding path program 1 times [2023-11-26 10:50:13,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:13,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355539444] [2023-11-26 10:50:13,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:13,223 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:50:13,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446516880] [2023-11-26 10:50:13,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:13,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:50:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:13,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:50:13,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:50:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:13,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:50:13,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:50:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:50:13,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:50:13,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:13,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355539444] [2023-11-26 10:50:13,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:50:13,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446516880] [2023-11-26 10:50:13,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446516880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:13,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:13,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:50:13,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869395014] [2023-11-26 10:50:13,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:13,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:13,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:13,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:13,459 INFO L87 Difference]: Start difference. First operand 90 states and 150 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:50:13,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:13,561 INFO L93 Difference]: Finished difference Result 260 states and 432 transitions. [2023-11-26 10:50:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:13,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-11-26 10:50:13,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:13,566 INFO L225 Difference]: With dead ends: 260 [2023-11-26 10:50:13,567 INFO L226 Difference]: Without dead ends: 171 [2023-11-26 10:50:13,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:13,572 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 103 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:50:13,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 210 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:50:13,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-26 10:50:13,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 165. [2023-11-26 10:50:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 122 states have (on average 1.540983606557377) internal successors, (188), 122 states have internal predecessors, (188), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-26 10:50:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 268 transitions. [2023-11-26 10:50:13,606 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 268 transitions. Word has length 133 [2023-11-26 10:50:13,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:13,607 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 268 transitions. [2023-11-26 10:50:13,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:50:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 268 transitions. [2023-11-26 10:50:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 10:50:13,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:13,611 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:13,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:50:13,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:50:13,818 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:13,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:13,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1931917311, now seen corresponding path program 1 times [2023-11-26 10:50:13,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:13,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670788076] [2023-11-26 10:50:13,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:13,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:13,885 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:50:13,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841798879] [2023-11-26 10:50:13,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:13,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:50:13,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:13,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:50:13,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:50:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:14,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 10:50:14,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:50:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:50:14,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:50:14,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:14,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670788076] [2023-11-26 10:50:14,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:50:14,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841798879] [2023-11-26 10:50:14,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841798879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:14,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:14,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:50:14,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907193344] [2023-11-26 10:50:14,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:14,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:50:14,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:14,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:50:14,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:50:14,640 INFO L87 Difference]: Start difference. First operand 165 states and 268 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:50:14,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:14,760 INFO L93 Difference]: Finished difference Result 388 states and 630 transitions. [2023-11-26 10:50:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:14,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-11-26 10:50:14,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:14,765 INFO L225 Difference]: With dead ends: 388 [2023-11-26 10:50:14,765 INFO L226 Difference]: Without dead ends: 224 [2023-11-26 10:50:14,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:50:14,768 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 102 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:50:14,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 186 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:50:14,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-26 10:50:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 202. [2023-11-26 10:50:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 138 states have (on average 1.4782608695652173) internal successors, (204), 138 states have internal predecessors, (204), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-26 10:50:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 324 transitions. [2023-11-26 10:50:14,806 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 324 transitions. Word has length 133 [2023-11-26 10:50:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:14,807 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 324 transitions. [2023-11-26 10:50:14,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:50:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 324 transitions. [2023-11-26 10:50:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-26 10:50:14,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:14,810 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:14,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:50:15,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-26 10:50:15,018 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:15,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:15,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1294403209, now seen corresponding path program 1 times [2023-11-26 10:50:15,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:15,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449457606] [2023-11-26 10:50:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:15,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:15,055 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:50:15,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788247728] [2023-11-26 10:50:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:15,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:50:15,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:15,057 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:50:15,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:50:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:50:15,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:50:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:50:15,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:50:15,359 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:50:15,361 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:50:15,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:50:15,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:50:15,574 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:50:15,578 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:50:15,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 10:50:15,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 10:50:15,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:50:15 BoogieIcfgContainer [2023-11-26 10:50:15,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:50:15,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:50:15,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:50:15,760 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:50:15,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:11" (3/4) ... [2023-11-26 10:50:15,762 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:50:15,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:50:15,764 INFO L158 Benchmark]: Toolchain (without parser) took 5493.48ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 104.1MB in the beginning and 169.2MB in the end (delta: -65.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:50:15,765 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 117.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:50:15,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.00ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 88.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:50:15,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.96ms. Allocated memory is still 151.0MB. Free memory was 88.9MB in the beginning and 83.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:50:15,766 INFO L158 Benchmark]: Boogie Preprocessor took 84.72ms. Allocated memory is still 151.0MB. Free memory was 83.8MB in the beginning and 77.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:50:15,766 INFO L158 Benchmark]: RCFGBuilder took 851.28ms. Allocated memory is still 151.0MB. Free memory was 77.5MB in the beginning and 48.8MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 10:50:15,767 INFO L158 Benchmark]: TraceAbstraction took 4037.50ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 48.2MB in the beginning and 169.2MB in the end (delta: -121.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2023-11-26 10:50:15,767 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 209.7MB. Free memory is still 169.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:50:15,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 117.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.00ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 88.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.96ms. Allocated memory is still 151.0MB. Free memory was 88.9MB in the beginning and 83.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.72ms. Allocated memory is still 151.0MB. Free memory was 83.8MB in the beginning and 77.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 851.28ms. Allocated memory is still 151.0MB. Free memory was 77.5MB in the beginning and 48.8MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4037.50ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 48.2MB in the beginning and 169.2MB in the end (delta: -121.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 209.7MB. Free memory is still 169.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation 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 someBinaryDOUBLEComparisonOperation at line 184, overapproximation of someBinaryFLOATComparisonOperation at line 176. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_8 = 32; [L25] signed long int var_1_9 = -16; [L26] unsigned short int var_1_10 = 5; [L27] unsigned char var_1_12 = 32; [L28] unsigned char var_1_13 = 1; [L29] unsigned char var_1_14 = 0; [L30] unsigned char var_1_15 = 0; [L31] double var_1_16 = 63.75; [L32] double var_1_17 = 8.5; [L33] signed short int var_1_18 = -64; [L34] unsigned char var_1_19 = 32; [L35] signed short int var_1_24 = -1; [L36] signed short int var_1_25 = 2; [L37] unsigned char var_1_26 = 100; [L38] unsigned char var_1_29 = 128; [L39] unsigned char var_1_30 = 64; [L40] signed char var_1_31 = -1; [L41] unsigned short int var_1_32 = 100; [L42] unsigned long int var_1_33 = 0; [L43] float var_1_36 = 16.8; [L44] signed char var_1_38 = 0; [L45] signed long int var_1_39 = -4; [L46] unsigned short int var_1_40 = 256; [L47] signed long int last_1_var_1_1 = 32; [L48] unsigned char last_1_var_1_12 = 32; [L49] signed short int last_1_var_1_18 = -64; [L188] isInitial = 1 [L189] FCALL initially() [L190] COND TRUE 1 [L191] CALL updateLastVariables() [L179] last_1_var_1_1 = var_1_1 [L180] last_1_var_1_12 = var_1_12 [L181] last_1_var_1_18 = var_1_18 [L191] RET updateLastVariables() [L192] CALL updateVariables() [L147] var_1_4 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L148] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L149] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=-16] [L149] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=-16] [L150] var_1_9 = __VERIFIER_nondet_long() [L151] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L151] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L152] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L152] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L153] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L153] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L154] var_1_10 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L155] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L156] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L156] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L157] var_1_13 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L158] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L159] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L159] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L160] var_1_15 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L161] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L162] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L162] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L163] var_1_17 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L164] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L165] var_1_25 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L166] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L167] CALL assume_abort_if_not(var_1_25 <= 9) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L167] RET assume_abort_if_not(var_1_25 <= 9) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L168] var_1_29 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_29 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L169] RET assume_abort_if_not(var_1_29 >= 127) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L170] CALL assume_abort_if_not(var_1_29 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L170] RET assume_abort_if_not(var_1_29 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L171] var_1_30 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_30 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L172] RET assume_abort_if_not(var_1_30 >= 63) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L173] CALL assume_abort_if_not(var_1_30 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L173] RET assume_abort_if_not(var_1_30 <= 127) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L174] var_1_36 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L175] RET assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L176] CALL assume_abort_if_not(var_1_36 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L176] RET assume_abort_if_not(var_1_36 != 0.0F) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L192] RET updateVariables() [L193] CALL step() [L53] EXPR var_1_12 & var_1_8 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L53] COND TRUE (var_1_12 & var_1_8) >= var_1_13 [L54] var_1_19 = var_1_13 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L56] EXPR var_1_1 >> ((((var_1_25) < (1)) ? (var_1_25) : (1))) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L56] COND FALSE !(((((var_1_12) < (25)) ? (var_1_12) : (25))) > (var_1_1 >> ((((var_1_25) < (1)) ? (var_1_25) : (1))))) [L63] COND FALSE !(var_1_15 && var_1_4) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L66] COND FALSE !(\read(var_1_4)) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L71] COND FALSE !(var_1_14 && var_1_14) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L80] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L84] COND FALSE !(var_1_13 > var_1_8) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L89] var_1_38 = var_1_25 [L90] var_1_39 = var_1_30 [L91] var_1_40 = var_1_30 [L92] signed long int stepLocal_1 = last_1_var_1_18; [L93] signed long int stepLocal_0 = last_1_var_1_18; VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L94] COND FALSE !(stepLocal_1 >= (last_1_var_1_18 / var_1_9)) [L101] var_1_8 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L103] var_1_18 = var_1_8 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L104] COND FALSE !(var_1_10 < var_1_18) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L115] unsigned short int stepLocal_2 = var_1_8; VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L116] COND FALSE !(stepLocal_2 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L127] COND FALSE !(var_1_18 != var_1_12) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L132] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L139] COND FALSE !(\read(var_1_14)) [L142] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, stepLocal_0=-64, stepLocal_1=-64, stepLocal_2=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L193] RET step() [L194] CALL, EXPR property() [L184-L185] return ((((((var_1_18 != var_1_12) ? (var_1_14 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) < (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) ? (((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) : (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18)))))))) : 1) : 1) && ((last_1_var_1_18 >= (last_1_var_1_18 / var_1_9)) ? ((last_1_var_1_18 < (last_1_var_1_1 * 256)) ? (var_1_8 == ((unsigned short int) ((((last_1_var_1_12) < (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12))))) ? (last_1_var_1_12) : (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12)))))))) : (var_1_8 == ((unsigned short int) last_1_var_1_12))) : (var_1_8 == ((unsigned short int) last_1_var_1_12)))) && ((var_1_10 < var_1_18) ? ((last_1_var_1_12 <= (5 - last_1_var_1_12)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((last_1_var_1_12 == var_1_8) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_8 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) ? ((! (var_1_8 >= var_1_12)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_14 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_8)) ; [L194] RET, EXPR property() [L194] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=32, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=32, var_1_1=32, var_1_24=-1, var_1_25=0, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_38=0, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 252 mSDsluCounter, 661 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 368 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 1080 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1006 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2280/2280 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 [2023-11-26 10:50:15,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme --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 75d80daf48c0e9a1b2603b3e6c05c803d462c7bec0bbf2b539c9d86e71cd2b87 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:50:18,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:50:18,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:50:18,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:50:18,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:50:18,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:50:18,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:50:18,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:50:18,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:50:18,787 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:50:18,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:50:18,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:50:18,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:50:18,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:50:18,791 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:50:18,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:50:18,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:50:18,797 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:50:18,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:50:18,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:50:18,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:50:18,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:50:18,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:50:18,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:50:18,802 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:50:18,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:50:18,803 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:50:18,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:50:18,804 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:50:18,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:50:18,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:50:18,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:50:18,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:50:18,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:18,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:50:18,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:50:18,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:50:18,809 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:50:18,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:50:18,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:50:18,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:50:18,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:50:18,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:50:18,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:50:18,811 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:50:18,812 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_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d80daf48c0e9a1b2603b3e6c05c803d462c7bec0bbf2b539c9d86e71cd2b87 [2023-11-26 10:50:19,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:50:19,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:50:19,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:50:19,299 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:50:19,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:50:19,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-11-26 10:50:22,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:50:22,756 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:50:22,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-11-26 10:50:22,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/data/1c2e16d70/f132181b577b49e2bbfb5bb0bda78993/FLAG405f5c61b [2023-11-26 10:50:22,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/data/1c2e16d70/f132181b577b49e2bbfb5bb0bda78993 [2023-11-26 10:50:22,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:50:22,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:50:22,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:22,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:50:22,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:50:22,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:22" (1/1) ... [2023-11-26 10:50:22,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cae8be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:22, skipping insertion in model container [2023-11-26 10:50:22,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:22" (1/1) ... [2023-11-26 10:50:22,864 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:50:23,055 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_153d237a-071d-4ae2-8b3d-f00707bd4f5f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i[919,932] [2023-11-26 10:50:23,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:23,203 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:50:23,227 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_153d237a-071d-4ae2-8b3d-f00707bd4f5f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i[919,932] [2023-11-26 10:50:23,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:23,333 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:50:23,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23 WrapperNode [2023-11-26 10:50:23,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:23,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:23,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:50:23,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:50:23,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,423 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-26 10:50:23,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:23,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:50:23,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:50:23,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:50:23,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,475 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:50:23,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:50:23,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:50:23,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:50:23,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:50:23,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (1/1) ... [2023-11-26 10:50:23,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:23,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:23,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:50:23,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:50:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:50:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:50:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:50:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:50:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:50:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:50:23,782 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:50:23,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:50:36,457 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:50:36,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:50:36,514 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:50:36,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:36 BoogieIcfgContainer [2023-11-26 10:50:36,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:50:36,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:50:36,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:50:36,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:50:36,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:50:22" (1/3) ... [2023-11-26 10:50:36,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534c7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:36, skipping insertion in model container [2023-11-26 10:50:36,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:23" (2/3) ... [2023-11-26 10:50:36,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534c7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:36, skipping insertion in model container [2023-11-26 10:50:36,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:36" (3/3) ... [2023-11-26 10:50:36,523 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-89.i [2023-11-26 10:50:36,541 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:50:36,541 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:50:36,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:50:36,598 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;@4cd101d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:50:36,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:50:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 48 states have (on average 1.625) internal successors, (78), 49 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:50:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-26 10:50:36,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:36,619 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:36,619 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:36,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1886793246, now seen corresponding path program 1 times [2023-11-26 10:50:36,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:50:36,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824421184] [2023-11-26 10:50:36,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:36,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:50:36,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:50:36,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:50:36,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 10:50:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:37,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:50:37,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:50:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-26 10:50:37,253 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:50:37,254 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:50:37,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824421184] [2023-11-26 10:50:37,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824421184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:37,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:37,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:37,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728547237] [2023-11-26 10:50:37,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:37,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:50:37,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:50:37,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:50:37,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:50:37,317 INFO L87 Difference]: Start difference. First operand has 71 states, 48 states have (on average 1.625) internal successors, (78), 49 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 10:50:37,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:37,795 INFO L93 Difference]: Finished difference Result 139 states and 254 transitions. [2023-11-26 10:50:37,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:50:37,810 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2023-11-26 10:50:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:37,819 INFO L225 Difference]: With dead ends: 139 [2023-11-26 10:50:37,819 INFO L226 Difference]: Without dead ends: 69 [2023-11-26 10:50:37,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:50:37,827 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:50:37,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 10:50:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-26 10:50:37,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-26 10:50:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.553191489361702) internal successors, (73), 47 states have internal predecessors, (73), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:50:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 113 transitions. [2023-11-26 10:50:37,878 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 113 transitions. Word has length 131 [2023-11-26 10:50:37,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:37,879 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 113 transitions. [2023-11-26 10:50:37,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 10:50:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2023-11-26 10:50:37,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-26 10:50:37,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:37,884 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:37,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:50:38,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:50:38,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:38,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:38,089 INFO L85 PathProgramCache]: Analyzing trace with hash 231154914, now seen corresponding path program 1 times [2023-11-26 10:50:38,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:50:38,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843083045] [2023-11-26 10:50:38,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:38,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:50:38,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:50:38,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:50:38,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:50:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:38,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:50:38,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:50:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-26 10:50:41,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:50:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-26 10:50:44,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:50:44,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843083045] [2023-11-26 10:50:44,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843083045] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:50:44,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:50:44,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-26 10:50:44,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544905800] [2023-11-26 10:50:44,077 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:50:44,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:50:44,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:50:44,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:50:44,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:50:44,081 INFO L87 Difference]: Start difference. First operand 69 states and 113 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-26 10:50:47,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:47,495 INFO L93 Difference]: Finished difference Result 145 states and 232 transitions. [2023-11-26 10:50:47,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:50:47,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 131 [2023-11-26 10:50:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:47,511 INFO L225 Difference]: With dead ends: 145 [2023-11-26 10:50:47,511 INFO L226 Difference]: Without dead ends: 77 [2023-11-26 10:50:47,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:50:47,514 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 109 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-26 10:50:47,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 203 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-26 10:50:47,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-26 10:50:47,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2023-11-26 10:50:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.48) internal successors, (74), 50 states have internal predecessors, (74), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:50:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 114 transitions. [2023-11-26 10:50:47,537 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 114 transitions. Word has length 131 [2023-11-26 10:50:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:47,538 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 114 transitions. [2023-11-26 10:50:47,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-26 10:50:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2023-11-26 10:50:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-26 10:50:47,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:47,542 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:47,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:50:47,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:50:47,747 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:47,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:47,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1357133406, now seen corresponding path program 1 times [2023-11-26 10:50:47,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:50:47,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722362990] [2023-11-26 10:50:47,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:47,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:50:47,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:50:47,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:50:47,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 10:50:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:48,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:50:48,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:50:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:50:52,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:50:52,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:50:52,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722362990] [2023-11-26 10:50:52,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722362990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:52,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:52,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:52,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211102704] [2023-11-26 10:50:52,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:52,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:52,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:50:52,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:52,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:52,399 INFO L87 Difference]: Start difference. First operand 73 states and 114 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:50:53,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:53,052 INFO L93 Difference]: Finished difference Result 212 states and 331 transitions. [2023-11-26 10:50:53,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:53,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2023-11-26 10:50:53,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:53,057 INFO L225 Difference]: With dead ends: 212 [2023-11-26 10:50:53,057 INFO L226 Difference]: Without dead ends: 140 [2023-11-26 10:50:53,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:53,061 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 38 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:50:53,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 194 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 10:50:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-26 10:50:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2023-11-26 10:50:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 91 states have internal predecessors, (128), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-26 10:50:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 208 transitions. [2023-11-26 10:50:53,101 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 208 transitions. Word has length 131 [2023-11-26 10:50:53,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:53,102 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 208 transitions. [2023-11-26 10:50:53,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 10:50:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 208 transitions. [2023-11-26 10:50:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-26 10:50:53,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:53,115 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:53,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:50:53,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:50:53,322 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:53,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:53,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1934343136, now seen corresponding path program 1 times [2023-11-26 10:50:53,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:50:53,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792991248] [2023-11-26 10:50:53,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:53,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:50:53,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:50:53,325 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:50:53,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_153d237a-071d-4ae2-8b3d-f00707bd4f5f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-26 10:50:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:53,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-26 10:50:53,684 INFO L285 TraceCheckSpWp]: Computing forward predicates...