./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB --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 f8eec8e6962cf6cdbbc8bf030b667df75ae218fdfa7ef0f6b679cb7eca744d34 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:25:25,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:25:25,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:25:25,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:25:25,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:25:25,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:25:25,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:25:25,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:25:25,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:25:25,214 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:25:25,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:25:25,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:25:25,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:25:25,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:25:25,215 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:25:25,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:25:25,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:25:25,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:25:25,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:25:25,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:25:25,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:25:25,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:25:25,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:25:25,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:25:25,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:25:25,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:25:25,220 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:25:25,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:25:25,221 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:25:25,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:25:25,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:25:25,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:25:25,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:25,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:25:25,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:25:25,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:25:25,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:25:25,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:25,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:25:25,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:25:25,222 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:25:25,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:25:25,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:25:25,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:25:25,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:25:25,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:25:25,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:25:25,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:25:25,224 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f8eec8e6962cf6cdbbc8bf030b667df75ae218fdfa7ef0f6b679cb7eca744d34 [2024-11-28 02:25:25,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:25:25,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:25:25,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:25:25,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:25:25,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:25:25,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i [2024-11-28 02:25:28,726 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data/2fd251725/7d017b1818fe4824b29e0a9ce25e7924/FLAG0a4bc167f [2024-11-28 02:25:29,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:25:29,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i [2024-11-28 02:25:29,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data/2fd251725/7d017b1818fe4824b29e0a9ce25e7924/FLAG0a4bc167f [2024-11-28 02:25:29,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data/2fd251725/7d017b1818fe4824b29e0a9ce25e7924 [2024-11-28 02:25:29,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:25:29,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:25:29,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:25:29,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:25:29,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:25:29,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7316be88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29, skipping insertion in model container [2024-11-28 02:25:29,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:25:29,341 WARN L250 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_876de945-1e8f-49f8-81c3-3a510c77d410/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i[915,928] [2024-11-28 02:25:29,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:25:29,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:25:29,449 WARN L250 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_876de945-1e8f-49f8-81c3-3a510c77d410/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i[915,928] [2024-11-28 02:25:29,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:25:29,506 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:25:29,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29 WrapperNode [2024-11-28 02:25:29,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:25:29,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:25:29,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:25:29,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:25:29,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,553 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-28 02:25:29,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:25:29,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:25:29,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:25:29,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:25:29,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,579 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]. [2024-11-28 02:25:29,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,586 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:25:29,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:25:29,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:25:29,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:25:29,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (1/1) ... [2024-11-28 02:25:29,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:29,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:25:29,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:25:29,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:25:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:25:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:25:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:25:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:25:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:25:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:25:29,778 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:25:29,780 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:25:30,207 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-28 02:25:30,207 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:25:30,220 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:25:30,221 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:25:30,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:25:30 BoogieIcfgContainer [2024-11-28 02:25:30,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:25:30,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:25:30,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:25:30,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:25:30,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:25:29" (1/3) ... [2024-11-28 02:25:30,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7212f471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:25:30, skipping insertion in model container [2024-11-28 02:25:30,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:29" (2/3) ... [2024-11-28 02:25:30,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7212f471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:25:30, skipping insertion in model container [2024-11-28 02:25:30,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:25:30" (3/3) ... [2024-11-28 02:25:30,233 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-24.i [2024-11-28 02:25:30,249 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:25:30,250 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-24.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:25:30,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:25:30,323 INFO L333 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, 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;@1061eb90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:25:30,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:25:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 55 states have internal predecessors, (77), 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) [2024-11-28 02:25:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:25:30,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:25:30,343 INFO L218 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] [2024-11-28 02:25:30,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:25:30,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:30,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2067320885, now seen corresponding path program 1 times [2024-11-28 02:25:30,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:30,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61166752] [2024-11-28 02:25:30,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:30,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 02:25:30,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:25:30,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61166752] [2024-11-28 02:25:30,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61166752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:25:30,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342834168] [2024-11-28 02:25:30,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:30,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:25:30,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:25:30,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:25:30,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:25:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:31,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:25:31,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:25:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 02:25:31,151 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:25:31,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342834168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:31,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:25:31,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:25:31,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051083871] [2024-11-28 02:25:31,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:31,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:25:31,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:25:31,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:25:31,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:25:31,188 INFO L87 Difference]: Start difference. First operand has 77 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 55 states have internal predecessors, (77), 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 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:25:31,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:25:31,229 INFO L93 Difference]: Finished difference Result 151 states and 251 transitions. [2024-11-28 02:25:31,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:25:31,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2024-11-28 02:25:31,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:25:31,243 INFO L225 Difference]: With dead ends: 151 [2024-11-28 02:25:31,243 INFO L226 Difference]: Without dead ends: 73 [2024-11-28 02:25:31,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:25:31,251 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:25:31,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:25:31,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-28 02:25:31,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-28 02:25:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 51 states have internal predecessors, (70), 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) [2024-11-28 02:25:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 110 transitions. [2024-11-28 02:25:31,314 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 110 transitions. Word has length 132 [2024-11-28 02:25:31,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:25:31,314 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 110 transitions. [2024-11-28 02:25:31,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:25:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2024-11-28 02:25:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:25:31,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:25:31,324 INFO L218 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] [2024-11-28 02:25:31,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:25:31,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:25:31,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:25:31,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:31,526 INFO L85 PathProgramCache]: Analyzing trace with hash 310031947, now seen corresponding path program 1 times [2024-11-28 02:25:31,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:31,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756938146] [2024-11-28 02:25:31,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:31,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:25:32,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:25:32,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756938146] [2024-11-28 02:25:32,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756938146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:32,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:32,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:25:32,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052331903] [2024-11-28 02:25:32,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:32,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:25:32,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:25:32,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:25:32,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:25:32,330 INFO L87 Difference]: Start difference. First operand 73 states and 110 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-28 02:25:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:25:32,635 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2024-11-28 02:25:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:25:32,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 132 [2024-11-28 02:25:32,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:25:32,640 INFO L225 Difference]: With dead ends: 244 [2024-11-28 02:25:32,640 INFO L226 Difference]: Without dead ends: 174 [2024-11-28 02:25:32,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:25:32,642 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 117 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:25:32,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 332 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:25:32,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-28 02:25:32,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 141. [2024-11-28 02:25:32,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 98 states have (on average 1.3775510204081634) internal successors, (135), 98 states have internal predecessors, (135), 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) [2024-11-28 02:25:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 215 transitions. [2024-11-28 02:25:32,696 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 215 transitions. Word has length 132 [2024-11-28 02:25:32,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:25:32,697 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 215 transitions. [2024-11-28 02:25:32,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-28 02:25:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 215 transitions. [2024-11-28 02:25:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:25:32,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:25:32,703 INFO L218 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] [2024-11-28 02:25:32,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:25:32,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:25:32,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:32,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2020722464, now seen corresponding path program 1 times [2024-11-28 02:25:32,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:32,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844470787] [2024-11-28 02:25:32,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:32,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:25:32,945 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:25:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:25:33,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:25:33,209 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:25:33,210 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:25:33,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:25:33,217 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 02:25:33,341 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:25:33,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:25:33 BoogieIcfgContainer [2024-11-28 02:25:33,348 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:25:33,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:25:33,349 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:25:33,349 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:25:33,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:25:30" (3/4) ... [2024-11-28 02:25:33,353 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:25:33,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:25:33,355 INFO L158 Benchmark]: Toolchain (without parser) took 4226.94ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 57.2MB in the end (delta: 34.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-28 02:25:33,355 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:25:33,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.58ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:25:33,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.71ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:25:33,356 INFO L158 Benchmark]: Boogie Preprocessor took 41.69ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:25:33,356 INFO L158 Benchmark]: RCFGBuilder took 624.82ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 55.0MB in the end (delta: 18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:25:33,357 INFO L158 Benchmark]: TraceAbstraction took 3123.83ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 58.1MB in the end (delta: -3.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-28 02:25:33,357 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 57.2MB in the end (delta: 916.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:25:33,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.58ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.71ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.69ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 624.82ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 55.0MB in the end (delta: 18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3123.83ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 58.1MB in the end (delta: -3.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 57.2MB in the end (delta: 916.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 86, overapproximation of someBinaryArithmeticDOUBLEoperation at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] double var_1_4 = 10.5; [L24] double var_1_5 = 1.55; [L25] signed char var_1_8 = -10; [L26] signed char var_1_10 = -16; [L27] signed char var_1_11 = -4; [L28] signed char var_1_12 = -16; [L29] double var_1_13 = 128.55; [L30] double var_1_14 = 2.3; [L31] double var_1_15 = 4.8; [L32] unsigned long int var_1_16 = 0; [L33] signed long int var_1_17 = 5; [L34] signed long int var_1_18 = 256; [L35] unsigned long int var_1_19 = 50; [L36] unsigned long int var_1_20 = 1; [L37] signed short int var_1_21 = -50; [L38] unsigned char var_1_23 = 1; [L39] unsigned char var_1_24 = 0; [L40] signed char last_1_var_1_8 = -10; [L41] signed short int last_1_var_1_21 = -50; [L42] unsigned char last_1_var_1_23 = 1; VAL [isInitial=0, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_4=21/2, var_1_5=31/20, var_1_8=-10] [L137] isInitial = 1 [L138] FCALL initially() [L139] int k_loop; [L140] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_4=21/2, var_1_5=31/20, var_1_8=-10] [L140] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_4=21/2, var_1_5=31/20, var_1_8=-10] [L141] CALL updateLastVariables() [L128] last_1_var_1_8 = var_1_8 [L129] last_1_var_1_21 = var_1_21 [L130] last_1_var_1_23 = var_1_23 VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_4=21/2, var_1_5=31/20, var_1_8=-10] [L141] RET updateLastVariables() [L142] CALL updateVariables() [L94] var_1_4 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L95] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L96] var_1_5 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L97] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L98] var_1_10 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_10 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L99] RET assume_abort_if_not(var_1_10 >= -63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L100] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L100] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L101] var_1_11 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_11 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L102] RET assume_abort_if_not(var_1_11 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L103] CALL assume_abort_if_not(var_1_11 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L103] RET assume_abort_if_not(var_1_11 <= 32) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L104] var_1_12 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L105] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L106] CALL assume_abort_if_not(var_1_12 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L106] RET assume_abort_if_not(var_1_12 <= 31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L107] var_1_14 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L109] var_1_15 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L110] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L111] var_1_17 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L112] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L113] CALL assume_abort_if_not(var_1_17 <= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L113] RET assume_abort_if_not(var_1_17 <= 1073741824) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L114] var_1_18 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L115] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L116] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L116] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L117] var_1_19 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L118] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L119] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L119] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L120] var_1_20 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L121] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L122] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L122] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L123] var_1_24 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_8=-10] [L124] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_8=-10] [L125] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L125] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L142] RET updateVariables() [L143] CALL step() [L46] COND TRUE last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8))) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L47] COND TRUE \read(last_1_var_1_23) [L48] var_1_8 = (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=22] [L53] var_1_23 = var_1_24 VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L54] COND TRUE 128u >= var_1_8 VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L55] COND TRUE ! var_1_23 [L56] var_1_13 = ((var_1_14 - var_1_15) + 0.25) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_16=0, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L65] COND TRUE var_1_8 >= ((1329162249 - var_1_17) - var_1_18) [L66] var_1_16 = (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_16=22, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L74] COND FALSE !(((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_16=22, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L83] unsigned char stepLocal_1 = var_1_23; [L84] signed char stepLocal_0 = var_1_8; VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, stepLocal_0=22, stepLocal_1=0, var_1_10=38, var_1_11=7, var_1_12=31, var_1_16=22, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_1=79/5, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L85] COND TRUE stepLocal_0 >= var_1_16 [L86] var_1_1 = (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, stepLocal_1=0, var_1_10=38, var_1_11=7, var_1_12=31, var_1_16=22, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L143] RET step() [L144] CALL, EXPR property() [L133] EXPR (((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_16=22, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L133-L134] return ((((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1)) && (var_1_23 == ((unsigned char) var_1_24)) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_16=22, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=38, var_1_11=7, var_1_12=31, var_1_16=22, var_1_17=664581114, var_1_18=664581113, var_1_19=4294967296, var_1_20=-4294967274, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=22] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 446 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 253 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 545 SizeOfPredicates, 0 NumberOfNonLiveVariables, 306 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2242/2280 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:25:33,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB --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 f8eec8e6962cf6cdbbc8bf030b667df75ae218fdfa7ef0f6b679cb7eca744d34 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:25:36,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:25:36,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:25:36,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:25:36,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:25:36,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:25:36,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:25:36,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:25:36,416 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:25:36,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:25:36,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:25:36,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:25:36,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:25:36,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:25:36,418 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:25:36,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:25:36,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:25:36,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:25:36,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:25:36,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:25:36,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:25:36,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:25:36,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:25:36,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:25:36,420 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:25:36,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:25:36,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:25:36,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:25:36,420 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:25:36,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:25:36,421 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:25:36,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:25:36,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:25:36,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:25:36,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:36,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:25:36,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:25:36,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:25:36,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:25:36,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:36,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:25:36,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:25:36,423 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:25:36,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:25:36,423 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:25:36,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:25:36,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:25:36,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:25:36,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:25:36,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:25:36,424 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f8eec8e6962cf6cdbbc8bf030b667df75ae218fdfa7ef0f6b679cb7eca744d34 [2024-11-28 02:25:36,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:25:36,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:25:36,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:25:36,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:25:36,771 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:25:36,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i [2024-11-28 02:25:39,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data/e754a32fc/6c655b18b51042d4b913c2e3056e116d/FLAG7915f70b0 [2024-11-28 02:25:40,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:25:40,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i [2024-11-28 02:25:40,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data/e754a32fc/6c655b18b51042d4b913c2e3056e116d/FLAG7915f70b0 [2024-11-28 02:25:40,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/data/e754a32fc/6c655b18b51042d4b913c2e3056e116d [2024-11-28 02:25:40,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:25:40,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:25:40,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:25:40,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:25:40,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:25:40,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668e9038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40, skipping insertion in model container [2024-11-28 02:25:40,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:25:40,720 WARN L250 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_876de945-1e8f-49f8-81c3-3a510c77d410/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i[915,928] [2024-11-28 02:25:40,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:25:40,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:25:40,816 WARN L250 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_876de945-1e8f-49f8-81c3-3a510c77d410/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-24.i[915,928] [2024-11-28 02:25:40,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:25:40,867 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:25:40,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40 WrapperNode [2024-11-28 02:25:40,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:25:40,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:25:40,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:25:40,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:25:40,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,916 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-28 02:25:40,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:25:40,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:25:40,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:25:40,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:25:40,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,966 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]. [2024-11-28 02:25:40,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:40,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:25:40,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:25:40,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:25:40,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:25:40,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (1/1) ... [2024-11-28 02:25:41,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:41,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:25:41,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:25:41,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:25:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:25:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:25:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:25:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:25:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:25:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:25:41,149 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:25:41,151 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:25:44,566 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 02:25:44,567 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:25:44,578 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:25:44,579 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:25:44,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:25:44 BoogieIcfgContainer [2024-11-28 02:25:44,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:25:44,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:25:44,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:25:44,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:25:44,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:25:40" (1/3) ... [2024-11-28 02:25:44,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454af2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:25:44, skipping insertion in model container [2024-11-28 02:25:44,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:40" (2/3) ... [2024-11-28 02:25:44,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454af2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:25:44, skipping insertion in model container [2024-11-28 02:25:44,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:25:44" (3/3) ... [2024-11-28 02:25:44,591 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-24.i [2024-11-28 02:25:44,607 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:25:44,608 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-24.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:25:44,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:25:44,679 INFO L333 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, 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;@45171a58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:25:44,679 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:25:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 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) [2024-11-28 02:25:44,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 02:25:44,693 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:25:44,694 INFO L218 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] [2024-11-28 02:25:44,695 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:25:44,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:44,703 INFO L85 PathProgramCache]: Analyzing trace with hash 623175206, now seen corresponding path program 1 times [2024-11-28 02:25:44,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:25:44,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380501878] [2024-11-28 02:25:44,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:44,720 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 [2024-11-28 02:25:44,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:25:44,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:25:44,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:25:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:45,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:25:45,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:25:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-28 02:25:45,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:25:45,416 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:25:45,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380501878] [2024-11-28 02:25:45,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380501878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:45,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:45,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:25:45,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890485921] [2024-11-28 02:25:45,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:45,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:25:45,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:25:45,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:25:45,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:25:45,448 INFO L87 Difference]: Start difference. First operand has 66 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 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 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-11-28 02:25:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:25:45,474 INFO L93 Difference]: Finished difference Result 129 states and 217 transitions. [2024-11-28 02:25:45,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:25:45,476 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 130 [2024-11-28 02:25:45,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:25:45,483 INFO L225 Difference]: With dead ends: 129 [2024-11-28 02:25:45,483 INFO L226 Difference]: Without dead ends: 62 [2024-11-28 02:25:45,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:25:45,495 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:25:45,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:25:45,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-28 02:25:45,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-28 02:25:45,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 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) [2024-11-28 02:25:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2024-11-28 02:25:45,551 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 130 [2024-11-28 02:25:45,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:25:45,552 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2024-11-28 02:25:45,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-11-28 02:25:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2024-11-28 02:25:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 02:25:45,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:25:45,556 INFO L218 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] [2024-11-28 02:25:45,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 02:25:45,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:25:45,757 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:25:45,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:45,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1626862426, now seen corresponding path program 1 times [2024-11-28 02:25:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:25:45,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904722572] [2024-11-28 02:25:45,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:45,759 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 [2024-11-28 02:25:45,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:25:45,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:25:45,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:25:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:46,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:25:46,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:25:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 02:25:48,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:25:48,410 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:25:48,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904722572] [2024-11-28 02:25:48,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1904722572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:48,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:48,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:25:48,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858061241] [2024-11-28 02:25:48,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:48,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:25:48,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:25:48,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:25:48,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:25:48,414 INFO L87 Difference]: Start difference. First operand 62 states and 93 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-28 02:25:50,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:25:53,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:25:53,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:25:53,120 INFO L93 Difference]: Finished difference Result 199 states and 301 transitions. [2024-11-28 02:25:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:25:53,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 130 [2024-11-28 02:25:53,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:25:53,142 INFO L225 Difference]: With dead ends: 199 [2024-11-28 02:25:53,142 INFO L226 Difference]: Without dead ends: 140 [2024-11-28 02:25:53,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:25:53,144 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 77 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:25:53,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 268 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 02:25:53,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-28 02:25:53,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 118. [2024-11-28 02:25:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 75 states have internal predecessors, (98), 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) [2024-11-28 02:25:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 178 transitions. [2024-11-28 02:25:53,194 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 178 transitions. Word has length 130 [2024-11-28 02:25:53,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:25:53,195 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 178 transitions. [2024-11-28 02:25:53,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-28 02:25:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 178 transitions. [2024-11-28 02:25:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:25:53,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:25:53,198 INFO L218 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] [2024-11-28 02:25:53,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 02:25:53,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:25:53,399 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:25:53,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:53,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1271507909, now seen corresponding path program 1 times [2024-11-28 02:25:53,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:25:53,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441111630] [2024-11-28 02:25:53,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:53,404 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 [2024-11-28 02:25:53,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:25:53,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:25:53,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876de945-1e8f-49f8-81c3-3a510c77d410/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:25:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:53,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 02:25:53,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:25,005 WARN L286 SmtUtils]: Spent 22.51s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:28:49,608 WARN L286 SmtUtils]: Spent 29.94s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:30:25,260 WARN L286 SmtUtils]: Spent 35.10s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:31:42,234 WARN L286 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:32:00,961 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:32:19,627 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:32:38,198 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:32:44,218 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:32:59,701 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:33:14,822 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:33:20,082 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:33:25,739 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:33:35,331 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:33:41,299 WARN L286 SmtUtils]: Spent 5.97s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:34:02,479 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:37:21,786 WARN L286 SmtUtils]: Spent 2.66m on a formula simplification that was a NOOP. DAG size: 128 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)