./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18ef0dddc7c7969694de0928e4b6cb2e80de650c7da321f655a1a1a02ed063b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:46:36,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:46:36,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:46:36,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:46:36,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:46:36,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:46:36,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:46:36,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:46:36,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:46:36,312 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:46:36,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:46:36,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:46:36,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:46:36,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:46:36,317 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:46:36,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:46:36,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:46:36,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:46:36,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:46:36,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:46:36,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:46:36,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:46:36,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:46:36,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:46:36,320 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:46:36,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:46:36,321 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:46:36,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:46:36,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:46:36,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:46:36,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:46:36,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:36,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:46:36,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:46:36,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:46:36,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:46:36,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:46:36,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:46:36,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:46:36,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:46:36,326 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:46:36,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:46:36,327 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18ef0dddc7c7969694de0928e4b6cb2e80de650c7da321f655a1a1a02ed063b0 [2023-11-26 11:46:36,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:46:36,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:46:36,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:46:36,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:46:36,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:46:36,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i [2023-11-26 11:46:39,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:46:40,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:46:40,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i [2023-11-26 11:46:40,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/data/bf113c19d/d9042929cfa24ff9ab257281d5190508/FLAGb52e529eb [2023-11-26 11:46:40,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/data/bf113c19d/d9042929cfa24ff9ab257281d5190508 [2023-11-26 11:46:40,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:46:40,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:46:40,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:40,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:46:40,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:46:40,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c40a5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40, skipping insertion in model container [2023-11-26 11:46:40,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:46:40,320 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i[915,928] [2023-11-26 11:46:40,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:40,391 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:46:40,404 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i[915,928] [2023-11-26 11:46:40,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:40,446 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:46:40,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40 WrapperNode [2023-11-26 11:46:40,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:40,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:40,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:46:40,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:46:40,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,497 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-11-26 11:46:40,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:40,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:46:40,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:46:40,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:46:40,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,515 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,529 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:46:40,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:46:40,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:46:40,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:46:40,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:46:40,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (1/1) ... [2023-11-26 11:46:40,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:40,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:40,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:40,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:46:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:46:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:46:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:46:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:46:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:46:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:46:40,733 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:46:40,735 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:46:41,046 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:46:41,138 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:46:41,138 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:46:41,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:41 BoogieIcfgContainer [2023-11-26 11:46:41,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:46:41,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:46:41,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:46:41,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:46:41,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:46:40" (1/3) ... [2023-11-26 11:46:41,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588d08fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:46:41, skipping insertion in model container [2023-11-26 11:46:41,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:40" (2/3) ... [2023-11-26 11:46:41,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588d08fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:46:41, skipping insertion in model container [2023-11-26 11:46:41,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:41" (3/3) ... [2023-11-26 11:46:41,149 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-72.i [2023-11-26 11:46:41,170 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:46:41,170 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:46:41,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:46:41,229 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16d89535, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:46:41,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:46:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:46:41,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:46:41,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:41,252 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:41,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:41,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:41,258 INFO L85 PathProgramCache]: Analyzing trace with hash 499470738, now seen corresponding path program 1 times [2023-11-26 11:46:41,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:41,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91695750] [2023-11-26 11:46:41,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:41,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:46:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 11:46:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 11:46:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:46:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 11:46:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:46:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:46:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 11:46:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 11:46:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-26 11:46:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 11:46:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-26 11:46:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 11:46:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-26 11:46:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 11:46:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-26 11:46:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 11:46:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 11:46:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 11:46:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 11:46:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-26 11:46:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-26 11:46:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-26 11:46:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-26 11:46:41,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:41,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91695750] [2023-11-26 11:46:41,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91695750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:41,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:41,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:41,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954372123] [2023-11-26 11:46:41,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:41,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:46:41,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:42,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:46:42,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:46:42,010 INFO L87 Difference]: Start difference. First operand has 56 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:46:42,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:42,096 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2023-11-26 11:46:42,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:46:42,099 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2023-11-26 11:46:42,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:42,111 INFO L225 Difference]: With dead ends: 109 [2023-11-26 11:46:42,111 INFO L226 Difference]: Without dead ends: 54 [2023-11-26 11:46:42,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:46:42,121 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:42,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:46:42,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-26 11:46:42,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-26 11:46:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:46:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2023-11-26 11:46:42,208 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 139 [2023-11-26 11:46:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:42,209 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2023-11-26 11:46:42,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:46:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2023-11-26 11:46:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:46:42,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:42,225 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:42,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:46:42,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:42,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:42,228 INFO L85 PathProgramCache]: Analyzing trace with hash -617113440, now seen corresponding path program 1 times [2023-11-26 11:46:42,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:42,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910142297] [2023-11-26 11:46:42,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:42,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:46:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 11:46:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 11:46:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:46:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 11:46:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:46:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:46:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 11:46:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 11:46:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-26 11:46:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 11:46:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-26 11:46:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 11:46:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-26 11:46:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 11:46:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-26 11:46:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 11:46:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 11:46:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 11:46:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 11:46:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-26 11:46:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-26 11:46:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-26 11:46:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-26 11:46:42,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:42,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910142297] [2023-11-26 11:46:42,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910142297] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:46:42,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639931591] [2023-11-26 11:46:42,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:42,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:42,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:42,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:43,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:46:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:43,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:46:43,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-26 11:46:43,538 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-26 11:46:43,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639931591] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:43,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:46:43,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-26 11:46:43,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602957379] [2023-11-26 11:46:43,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:43,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:46:43,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:43,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:46:43,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:46:43,811 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-26 11:46:44,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:44,111 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2023-11-26 11:46:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:46:44,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 139 [2023-11-26 11:46:44,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:44,117 INFO L225 Difference]: With dead ends: 115 [2023-11-26 11:46:44,118 INFO L226 Difference]: Without dead ends: 62 [2023-11-26 11:46:44,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 319 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:46:44,124 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 77 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:44,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 101 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:46:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-26 11:46:44,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2023-11-26 11:46:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:46:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 82 transitions. [2023-11-26 11:46:44,154 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 82 transitions. Word has length 139 [2023-11-26 11:46:44,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:44,157 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 82 transitions. [2023-11-26 11:46:44,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-26 11:46:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2023-11-26 11:46:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:46:44,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:44,166 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:44,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:44,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:44,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:44,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:44,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1157893922, now seen corresponding path program 1 times [2023-11-26 11:46:44,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:44,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540622568] [2023-11-26 11:46:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:44,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:44,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:46:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:46:44,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:46:44,578 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:46:44,583 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:46:44,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:46:44,590 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:46:44,594 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:46:44,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:46:44 BoogieIcfgContainer [2023-11-26 11:46:44,708 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:46:44,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:46:44,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:46:44,709 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:46:44,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:41" (3/4) ... [2023-11-26 11:46:44,712 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:46:44,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:46:44,714 INFO L158 Benchmark]: Toolchain (without parser) took 4645.40ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 124.1MB in the beginning and 115.7MB in the end (delta: 8.4MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-11-26 11:46:44,717 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:46:44,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.59ms. Allocated memory is still 167.8MB. Free memory was 124.1MB in the beginning and 111.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:46:44,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.81ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:46:44,721 INFO L158 Benchmark]: Boogie Preprocessor took 51.06ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 106.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:46:44,721 INFO L158 Benchmark]: RCFGBuilder took 589.30ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 138.5MB in the end (delta: -32.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-26 11:46:44,722 INFO L158 Benchmark]: TraceAbstraction took 3566.10ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 137.8MB in the beginning and 115.7MB in the end (delta: 22.1MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2023-11-26 11:46:44,724 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 203.4MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:46:44,726 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.59ms. Allocated memory is still 167.8MB. Free memory was 124.1MB in the beginning and 111.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.81ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.06ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 106.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.30ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 138.5MB in the end (delta: -32.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3566.10ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 137.8MB in the beginning and 115.7MB in the end (delta: 22.1MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 203.4MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 128.875; [L24] double var_1_3 = 24.5; [L25] double var_1_4 = 8.2; [L26] double var_1_5 = 10.05; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned long int var_1_10 = 2; [L32] signed char var_1_11 = -16; [L33] signed char var_1_12 = -2; [L34] signed char var_1_13 = -10; [L35] signed char var_1_14 = 4; [L36] double var_1_15 = 256.4; [L37] float var_1_16 = 0.25; [L38] double var_1_17 = 100000000000.2; [L39] double var_1_18 = 50.5; [L40] double var_1_19 = 9.5; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L61] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_3=49/2, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L62] var_1_3 = __VERIFIER_nondet_double() [L63] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L63] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_4=41/5, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L64] var_1_4 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L65] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_5=201/20, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L66] var_1_5 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_6 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_7=0, var_1_8=1, var_1_9=0] [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_7 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_8=1, var_1_9=0] [L72] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L74] var_1_8 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_9=0] [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L76] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0] [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L79] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L80] var_1_12 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L81] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L82] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L83] var_1_13 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L84] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L85] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L86] var_1_14 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L87] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L88] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L89] var_1_16 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L90] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L91] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L92] var_1_17 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L93] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L94] var_1_18 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L95] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L96] var_1_19 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L97] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L110] RET updateVariables() [L111] CALL step() [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, var_1_10=2, var_1_11=-16, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) VAL [isInitial=1, var_1_10=2, var_1_11=-1, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L48] COND FALSE !((var_1_2 + (var_1_3 / var_1_16)) == var_1_5) VAL [isInitial=1, var_1_10=2, var_1_11=-1, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L55] COND TRUE var_1_15 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15) [L56] var_1_1 = (var_1_6 && ((var_1_7 || var_1_8) && var_1_9)) VAL [isInitial=1, var_1_10=2, var_1_11=-1, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((((var_1_15 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((var_1_7 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_2 + (var_1_3 / var_1_16)) == var_1_5) ? ((var_1_3 >= var_1_4) ? (var_1_15 == ((double) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((double) var_1_17))) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=-1, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=-1, var_1_12=62, var_1_13=-63, var_1_14=11, var_1_15=1282/5, var_1_1=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 137 IncrementalHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 127 mSDtfsCounter, 137 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 390 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 11, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 1228 SizeOfPredicates, 3 NumberOfNonLiveVariables, 309 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 3949/4048 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:46:44,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18ef0dddc7c7969694de0928e4b6cb2e80de650c7da321f655a1a1a02ed063b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:46:47,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:46:47,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:46:47,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:46:47,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:46:47,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:46:47,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:46:47,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:46:47,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:46:47,630 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:46:47,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:46:47,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:46:47,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:46:47,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:46:47,635 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:46:47,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:46:47,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:46:47,636 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:46:47,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:46:47,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:46:47,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:46:47,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:46:47,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:46:47,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:46:47,640 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:46:47,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:46:47,640 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:46:47,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:46:47,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:46:47,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:46:47,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:46:47,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:46:47,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:46:47,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:47,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:46:47,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:46:47,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:46:47,646 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:46:47,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:46:47,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:46:47,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:46:47,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:46:47,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:46:47,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:46:47,648 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:46:47,648 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18ef0dddc7c7969694de0928e4b6cb2e80de650c7da321f655a1a1a02ed063b0 [2023-11-26 11:46:48,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:46:48,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:46:48,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:46:48,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:46:48,094 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:46:48,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i [2023-11-26 11:46:51,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:46:51,466 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:46:51,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i [2023-11-26 11:46:51,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/data/2a9ab10f8/eead3c4de8534469b9d23502250a56ba/FLAG11ad8bfe8 [2023-11-26 11:46:51,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/data/2a9ab10f8/eead3c4de8534469b9d23502250a56ba [2023-11-26 11:46:51,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:46:51,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:46:51,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:51,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:46:51,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:46:51,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f726994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51, skipping insertion in model container [2023-11-26 11:46:51,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:46:51,776 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i[915,928] [2023-11-26 11:46:51,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:51,888 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:46:51,910 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-72.i[915,928] [2023-11-26 11:46:51,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:51,983 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:46:51,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51 WrapperNode [2023-11-26 11:46:51,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:51,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:51,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:46:51,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:46:51,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,065 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-11-26 11:46:52,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:52,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:46:52,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:46:52,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:46:52,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,127 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:46:52,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:46:52,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:46:52,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:46:52,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:46:52,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:52,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:52,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:52,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:52,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:46:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:46:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:46:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:46:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:46:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:46:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:46:52,495 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:46:52,497 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:47:08,517 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:47:08,580 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:47:08,580 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:47:08,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:08 BoogieIcfgContainer [2023-11-26 11:47:08,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:47:08,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:47:08,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:47:08,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:47:08,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:46:51" (1/3) ... [2023-11-26 11:47:08,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af9c76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:08, skipping insertion in model container [2023-11-26 11:47:08,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (2/3) ... [2023-11-26 11:47:08,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af9c76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:08, skipping insertion in model container [2023-11-26 11:47:08,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:08" (3/3) ... [2023-11-26 11:47:08,596 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-72.i [2023-11-26 11:47:08,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:47:08,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:47:08,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:47:08,677 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59c4826c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:47:08,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:47:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:47:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:47:08,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:08,706 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:08,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:47:08,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash 499470738, now seen corresponding path program 1 times [2023-11-26 11:47:08,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:47:08,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387548283] [2023-11-26 11:47:08,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:08,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:47:08,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:47:08,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:47:08,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 11:47:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:10,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:47:10,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-26 11:47:10,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:47:10,449 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:47:10,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387548283] [2023-11-26 11:47:10,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387548283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:10,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:10,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:10,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835189867] [2023-11-26 11:47:10,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:10,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:47:10,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:47:10,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:47:10,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:47:10,489 INFO L87 Difference]: Start difference. First operand has 56 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:47:15,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:47:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:15,526 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2023-11-26 11:47:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:47:15,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2023-11-26 11:47:15,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:15,834 INFO L225 Difference]: With dead ends: 109 [2023-11-26 11:47:15,834 INFO L226 Difference]: Without dead ends: 54 [2023-11-26 11:47:15,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:47:15,843 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:15,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2023-11-26 11:47:15,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-26 11:47:15,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-26 11:47:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:47:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2023-11-26 11:47:15,910 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 139 [2023-11-26 11:47:15,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:15,911 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2023-11-26 11:47:15,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:47:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2023-11-26 11:47:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:47:15,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:15,916 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:15,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 11:47:16,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:47:16,121 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:47:16,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:16,122 INFO L85 PathProgramCache]: Analyzing trace with hash -617113440, now seen corresponding path program 1 times [2023-11-26 11:47:16,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:47:16,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063221495] [2023-11-26 11:47:16,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:16,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:47:16,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:47:16,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:47:16,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 11:47:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:17,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:47:17,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-26 11:47:18,925 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:47:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-26 11:47:19,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:47:19,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063221495] [2023-11-26 11:47:19,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063221495] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:47:19,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:47:19,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-26 11:47:19,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978469901] [2023-11-26 11:47:19,923 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:47:19,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:47:19,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:47:19,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:47:19,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:47:19,928 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-26 11:47:23,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:47:28,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:47:32,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:47:36,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:47:36,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:36,241 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2023-11-26 11:47:36,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:47:36,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 139 [2023-11-26 11:47:36,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:36,555 INFO L225 Difference]: With dead ends: 115 [2023-11-26 11:47:36,555 INFO L226 Difference]: Without dead ends: 62 [2023-11-26 11:47:36,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:47:36,562 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 77 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 45 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:36,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 100 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 132 Invalid, 3 Unknown, 0 Unchecked, 16.0s Time] [2023-11-26 11:47:36,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-26 11:47:36,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2023-11-26 11:47:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:47:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 82 transitions. [2023-11-26 11:47:36,584 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 82 transitions. Word has length 139 [2023-11-26 11:47:36,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:36,585 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 82 transitions. [2023-11-26 11:47:36,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-26 11:47:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2023-11-26 11:47:36,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:47:36,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:36,590 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:36,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:36,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:47:36,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:47:36,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:36,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1157893922, now seen corresponding path program 1 times [2023-11-26 11:47:36,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:47:36,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365684890] [2023-11-26 11:47:36,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:36,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:47:36,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:47:36,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:47:36,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de916df-1b12-4125-87aa-dde603337c35/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 11:47:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:38,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 11:47:38,283 INFO L285 TraceCheckSpWp]: Computing forward predicates...