./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 b9390bd0320fcb4cfdc3f128cf71073f8e31f9433cebe4302832ccae44b9c3c1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:32,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:32,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:59:32,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:32,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:32,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:32,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:32,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:32,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:32,282 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:32,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:32,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:32,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:32,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:32,287 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:32,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:32,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:32,289 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:32,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:32,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:32,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:32,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:32,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:32,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:32,292 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:32,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:32,293 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:32,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:32,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:32,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:32,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:32,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:32,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:32,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:32,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:32,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:32,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:32,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:32,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:32,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:32,300 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:32,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:32,301 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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9390bd0320fcb4cfdc3f128cf71073f8e31f9433cebe4302832ccae44b9c3c1 [2023-11-26 11:59:32,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:32,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:32,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:32,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:32,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:32,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-26 11:59:36,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:36,721 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:36,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-26 11:59:36,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/data/78117aa08/a3d6c13757b841c9a2078d2fa6034c40/FLAG7c040a2cf [2023-11-26 11:59:36,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/data/78117aa08/a3d6c13757b841c9a2078d2fa6034c40 [2023-11-26 11:59:36,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:36,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:36,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:36,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:36,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:36,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4921b0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:36, skipping insertion in model container [2023-11-26 11:59:36,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:36" (1/1) ... [2023-11-26 11:59:36,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:37,035 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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i[915,928] [2023-11-26 11:59:37,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:37,148 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:37,162 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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i[915,928] [2023-11-26 11:59:37,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:37,240 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:37,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37 WrapperNode [2023-11-26 11:59:37,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:37,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:37,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:37,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:37,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,346 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-11-26 11:59:37,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:37,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:37,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:37,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:37,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,400 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 11:59:37,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:37,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:37,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:37,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:37,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (1/1) ... [2023-11-26 11:59:37,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:37,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:37,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:37,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:59:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:59:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:59:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:37,696 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:37,699 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:38,230 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:38,299 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:38,300 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:38,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:38 BoogieIcfgContainer [2023-11-26 11:59:38,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:38,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:38,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:38,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:38,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:36" (1/3) ... [2023-11-26 11:59:38,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcd9911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:38, skipping insertion in model container [2023-11-26 11:59:38,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:37" (2/3) ... [2023-11-26 11:59:38,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcd9911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:38, skipping insertion in model container [2023-11-26 11:59:38,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:38" (3/3) ... [2023-11-26 11:59:38,311 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-26 11:59:38,334 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:38,334 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:59:38,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:38,395 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;@3a5a97ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:38,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:59:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 11:59:38,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 11:59:38,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:38,420 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:38,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:38,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:38,427 INFO L85 PathProgramCache]: Analyzing trace with hash -567282695, now seen corresponding path program 1 times [2023-11-26 11:59:38,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:38,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989901788] [2023-11-26 11:59:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:38,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:38,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:38,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989901788] [2023-11-26 11:59:38,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:59:38,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172381126] [2023-11-26 11:59:38,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:38,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:38,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:38,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:38,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:59:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:38,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:59:38,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2023-11-26 11:59:39,020 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:39,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172381126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:39,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:39,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:39,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421993398] [2023-11-26 11:59:39,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:39,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:59:39,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:39,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:59:39,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:39,063 INFO L87 Difference]: Start difference. First operand has 69 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-26 11:59:39,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:39,116 INFO L93 Difference]: Finished difference Result 137 states and 242 transitions. [2023-11-26 11:59:39,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:59:39,119 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 166 [2023-11-26 11:59:39,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:39,128 INFO L225 Difference]: With dead ends: 137 [2023-11-26 11:59:39,129 INFO L226 Difference]: Without dead ends: 67 [2023-11-26 11:59:39,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 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 11:59:39,137 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:39,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:59:39,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-26 11:59:39,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-26 11:59:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 11:59:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2023-11-26 11:59:39,192 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 166 [2023-11-26 11:59:39,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:39,193 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2023-11-26 11:59:39,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-26 11:59:39,194 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2023-11-26 11:59:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 11:59:39,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:39,199 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:39,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:39,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:39,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:39,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:39,408 INFO L85 PathProgramCache]: Analyzing trace with hash 633383723, now seen corresponding path program 1 times [2023-11-26 11:59:39,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:39,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676781165] [2023-11-26 11:59:39,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:39,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:39,517 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:39,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919484986] [2023-11-26 11:59:39,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:39,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:39,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:39,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:39,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:59:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:39,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:59:39,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-26 11:59:40,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:40,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:40,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676781165] [2023-11-26 11:59:40,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:40,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919484986] [2023-11-26 11:59:40,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919484986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:40,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:40,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:59:40,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912989177] [2023-11-26 11:59:40,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:40,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:59:40,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:40,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:40,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:40,203 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 11:59:40,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:40,443 INFO L93 Difference]: Finished difference Result 207 states and 316 transitions. [2023-11-26 11:59:40,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:59:40,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2023-11-26 11:59:40,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:40,455 INFO L225 Difference]: With dead ends: 207 [2023-11-26 11:59:40,455 INFO L226 Difference]: Without dead ends: 141 [2023-11-26 11:59:40,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:59:40,463 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 79 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:40,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 283 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:59:40,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-26 11:59:40,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2023-11-26 11:59:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 76 states have (on average 1.263157894736842) internal successors, (96), 76 states have internal predecessors, (96), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-26 11:59:40,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 204 transitions. [2023-11-26 11:59:40,527 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 204 transitions. Word has length 166 [2023-11-26 11:59:40,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:40,528 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 204 transitions. [2023-11-26 11:59:40,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 11:59:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 204 transitions. [2023-11-26 11:59:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 11:59:40,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:40,533 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:40,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:40,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:40,740 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:40,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:40,740 INFO L85 PathProgramCache]: Analyzing trace with hash -377673945, now seen corresponding path program 1 times [2023-11-26 11:59:40,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:40,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125344465] [2023-11-26 11:59:40,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:40,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:40,833 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:40,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073900694] [2023-11-26 11:59:40,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:40,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:40,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:40,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:59:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:41,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:59:41,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-26 11:59:41,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:41,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:41,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125344465] [2023-11-26 11:59:41,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:41,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073900694] [2023-11-26 11:59:41,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073900694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:41,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:41,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:41,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676983341] [2023-11-26 11:59:41,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:41,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:41,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:41,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:41,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:41,351 INFO L87 Difference]: Start difference. First operand 133 states and 204 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 11:59:41,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:41,447 INFO L93 Difference]: Finished difference Result 397 states and 610 transitions. [2023-11-26 11:59:41,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:41,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2023-11-26 11:59:41,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:41,454 INFO L225 Difference]: With dead ends: 397 [2023-11-26 11:59:41,454 INFO L226 Difference]: Without dead ends: 265 [2023-11-26 11:59:41,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:41,459 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 19 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:41,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 197 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:59:41,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-11-26 11:59:41,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 261. [2023-11-26 11:59:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 148 states have (on average 1.2297297297297298) internal successors, (182), 148 states have internal predecessors, (182), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-26 11:59:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 398 transitions. [2023-11-26 11:59:41,565 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 398 transitions. Word has length 166 [2023-11-26 11:59:41,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:41,567 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 398 transitions. [2023-11-26 11:59:41,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 11:59:41,568 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 398 transitions. [2023-11-26 11:59:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 11:59:41,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:41,577 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:41,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:41,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:41,790 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:41,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:41,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2106191925, now seen corresponding path program 1 times [2023-11-26 11:59:41,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:41,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238933563] [2023-11-26 11:59:41,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:41,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:41,876 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:41,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974718597] [2023-11-26 11:59:41,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:41,882 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:41,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 11:59:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:42,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:59:42,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-26 11:59:42,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-26 11:59:42,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:42,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238933563] [2023-11-26 11:59:42,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:42,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974718597] [2023-11-26 11:59:42,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974718597] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:59:42,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:59:42,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-26 11:59:42,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097457232] [2023-11-26 11:59:42,769 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:59:42,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 11:59:42,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:42,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:59:42,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:59:42,773 INFO L87 Difference]: Start difference. First operand 261 states and 398 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-26 11:59:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:43,641 INFO L93 Difference]: Finished difference Result 833 states and 1241 transitions. [2023-11-26 11:59:43,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-26 11:59:43,643 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 167 [2023-11-26 11:59:43,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:43,656 INFO L225 Difference]: With dead ends: 833 [2023-11-26 11:59:43,656 INFO L226 Difference]: Without dead ends: 573 [2023-11-26 11:59:43,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-11-26 11:59:43,659 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 137 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:43,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 314 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 11:59:43,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2023-11-26 11:59:43,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 277. [2023-11-26 11:59:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 160 states have (on average 1.1875) internal successors, (190), 160 states have internal predecessors, (190), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-26 11:59:43,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 406 transitions. [2023-11-26 11:59:43,776 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 406 transitions. Word has length 167 [2023-11-26 11:59:43,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:43,777 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 406 transitions. [2023-11-26 11:59:43,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-26 11:59:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 406 transitions. [2023-11-26 11:59:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 11:59:43,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:43,781 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:43,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:43,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:43,988 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:43,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:43,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1930609933, now seen corresponding path program 1 times [2023-11-26 11:59:43,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:43,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761999264] [2023-11-26 11:59:43,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:43,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:44,048 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:44,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298945051] [2023-11-26 11:59:44,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:44,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:44,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:44,054 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:44,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 11:59:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:44,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:44,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:44,635 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:59:44,636 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:59:44,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:44,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:44,849 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 11:59:44,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:59:44,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:59:44,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-26 11:59:45,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:59:44 BoogieIcfgContainer [2023-11-26 11:59:45,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:59:45,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:45,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:45,001 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:45,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:38" (3/4) ... [2023-11-26 11:59:45,004 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:59:45,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:45,006 INFO L158 Benchmark]: Toolchain (without parser) took 8222.23ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 114.8MB in the beginning and 90.4MB in the end (delta: 24.5MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-11-26 11:59:45,006 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:45,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.76ms. Allocated memory is still 144.7MB. Free memory was 114.5MB in the beginning and 99.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:59:45,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.20ms. Allocated memory is still 144.7MB. Free memory was 99.8MB in the beginning and 95.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:59:45,007 INFO L158 Benchmark]: Boogie Preprocessor took 95.55ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 87.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:59:45,008 INFO L158 Benchmark]: RCFGBuilder took 856.94ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 112.9MB in the end (delta: -25.3MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-26 11:59:45,008 INFO L158 Benchmark]: TraceAbstraction took 6696.73ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 112.2MB in the beginning and 91.4MB in the end (delta: 20.8MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-11-26 11:59:45,008 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 174.1MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:45,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 70.1MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.76ms. Allocated memory is still 144.7MB. Free memory was 114.5MB in the beginning and 99.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.20ms. Allocated memory is still 144.7MB. Free memory was 99.8MB in the beginning and 95.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.55ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 87.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 856.94ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 112.9MB in the end (delta: -25.3MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6696.73ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 112.2MB in the beginning and 91.4MB in the end (delta: 20.8MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 174.1MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 138, overapproximation of shiftLeft at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 1; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 50; [L27] double var_1_9 = 32.7; [L28] double var_1_10 = 64.25; [L29] double var_1_11 = 10.3; [L30] double var_1_12 = 3.3; [L31] double var_1_13 = 16.5; [L32] double var_1_14 = 7.125; [L33] unsigned short int var_1_15 = 50; [L34] unsigned short int var_1_16 = 16; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 64; [L37] unsigned long int var_1_19 = 16; [L38] signed short int var_1_20 = 100; [L39] signed short int var_1_21 = 2; [L40] signed short int var_1_22 = 8; [L41] signed long int var_1_23 = -4; [L42] unsigned short int var_1_24 = 128; [L43] signed long int var_1_25 = 2; [L44] unsigned short int var_1_26 = 256; [L45] unsigned char var_1_27 = 0; [L46] signed long int last_1_var_1_8 = 50; [L47] unsigned long int last_1_var_1_19 = 16; [L48] unsigned char last_1_var_1_27 = 0; [L142] isInitial = 1 [L143] FCALL initially() [L144] int k_loop; [L145] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L145] COND TRUE k_loop < 1 [L146] CALL updateLastVariables() [L133] last_1_var_1_8 = var_1_8 [L134] last_1_var_1_19 = var_1_19 [L135] last_1_var_1_27 = var_1_27 [L146] RET updateLastVariables() [L147] CALL updateVariables() [L89] var_1_3 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L90] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L92] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L92] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L93] var_1_6 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L94] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L95] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L95] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_8=50, var_1_9=327/10] [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_8=50, var_1_9=327/10] [L98] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L98] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L99] var_1_10 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L100] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L101] var_1_11 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L102] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L103] var_1_12 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L104] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L105] var_1_13 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L106] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L107] var_1_14 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L109] var_1_16 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L110] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L111] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L111] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L112] var_1_17 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L113] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L114] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L114] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L115] var_1_18 = __VERIFIER_nondet_ushort() [L116] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L116] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L117] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L117] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L118] var_1_20 = __VERIFIER_nondet_short() [L119] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L119] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L120] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L120] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L121] var_1_21 = __VERIFIER_nondet_short() [L122] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L122] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L123] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L123] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L124] var_1_22 = __VERIFIER_nondet_short() [L125] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L125] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L126] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L126] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L127] var_1_24 = __VERIFIER_nondet_ushort() [L128] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L128] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L129] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L129] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L130] CALL assume_abort_if_not(var_1_24 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L130] RET assume_abort_if_not(var_1_24 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L147] RET updateVariables() [L148] CALL step() [L52] EXPR -1 << last_1_var_1_19 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L52] signed long int stepLocal_1 = -1 << last_1_var_1_19; [L53] unsigned long int stepLocal_0 = -1000000000 + last_1_var_1_19; VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L54] COND TRUE stepLocal_1 < var_1_3 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L55] COND FALSE !((last_1_var_1_19 / var_1_3) > stepLocal_0) [L58] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L61] var_1_9 = (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=50, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] [L62] COND TRUE var_1_10 >= var_1_11 [L63] var_1_15 = ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] [L65] var_1_25 = -256 [L66] var_1_26 = var_1_17 [L67] var_1_27 = var_1_6 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] [L68] COND FALSE !(var_1_7 || var_1_1) [L79] var_1_8 = last_1_var_1_8 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=-4, var_1_24=2, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] [L81] COND TRUE var_1_6 || (var_1_16 <= (var_1_22 / var_1_24)) [L82] var_1_23 = (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=2, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] [L84] COND FALSE !((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=2, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] [L148] RET step() [L149] CALL, EXPR property() [L138] EXPR -1 << last_1_var_1_19 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=2, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] [L138-L139] return ((((((((((-1 << last_1_var_1_19) < var_1_3) ? (((last_1_var_1_19 / var_1_3) > (-1000000000 + last_1_var_1_19)) ? (var_1_1 == ((unsigned char) (last_1_var_1_27 || var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) : 1) && ((var_1_7 || var_1_1) ? (((var_1_26 >= var_1_3) && var_1_1) ? (var_1_8 == ((signed long int) ((((var_1_3) < (var_1_26)) ? (var_1_3) : (var_1_26))))) : (var_1_1 ? (var_1_8 == ((signed long int) last_1_var_1_8)) : (var_1_8 == ((signed long int) last_1_var_1_8)))) : (var_1_8 == ((signed long int) last_1_var_1_8)))) && (var_1_9 == ((double) (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14)))))) && ((var_1_10 >= var_1_11) ? (var_1_15 == ((unsigned short int) ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))))) : 1)) && (((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) ? (var_1_19 == ((unsigned long int) ((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_6 || (var_1_16 <= (var_1_22 / var_1_24))) ? (var_1_23 == ((signed long int) (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : 1)) && (var_1_25 == ((signed long int) -256))) && (var_1_26 == ((unsigned short int) var_1_17))) && (var_1_27 == ((unsigned char) var_1_6)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=2, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=16, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=0, var_1_24=2, var_1_25=-256, var_1_26=0, var_1_27=1, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 5, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 894 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521 mSDsCounter, 187 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 381 IncrementalHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 187 mSolverCounterUnsat, 373 mSDtfsCounter, 381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 846 GetRequests, 818 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 308 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 998 NumberOfCodeBlocks, 998 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 827 ConstructedInterpolants, 0 QuantifiedInterpolants, 2205 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1579 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 6882/7020 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 11:59:45,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 b9390bd0320fcb4cfdc3f128cf71073f8e31f9433cebe4302832ccae44b9c3c1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:47,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:47,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:59:47,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:47,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:47,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:47,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:47,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:47,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:47,862 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:47,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:47,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:47,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:47,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:47,866 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:47,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:47,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:47,869 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:47,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:47,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:47,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:47,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:47,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:47,872 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:59:47,872 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:59:47,873 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:59:47,873 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:47,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:47,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:47,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:47,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:47,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:47,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:47,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:47,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:47,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:47,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:47,880 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:59:47,880 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:59:47,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:47,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:47,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:47,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:47,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:47,882 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:59:47,882 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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9390bd0320fcb4cfdc3f128cf71073f8e31f9433cebe4302832ccae44b9c3c1 [2023-11-26 11:59:48,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:48,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:48,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:48,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:48,355 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:48,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-26 11:59:51,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:51,940 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:51,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-26 11:59:51,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/data/e993b95d0/e7c7664859fb4cb6a4faff2f1bf1d650/FLAG4b1d08cba [2023-11-26 11:59:51,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/data/e993b95d0/e7c7664859fb4cb6a4faff2f1bf1d650 [2023-11-26 11:59:51,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:51,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:51,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:51,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:52,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:52,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:51" (1/1) ... [2023-11-26 11:59:52,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd3c526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52, skipping insertion in model container [2023-11-26 11:59:52,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:51" (1/1) ... [2023-11-26 11:59:52,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:52,251 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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i[915,928] [2023-11-26 11:59:52,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:52,368 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:52,382 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_72670052-ed88-45f4-9dfd-f5d3ea1c9165/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-94.i[915,928] [2023-11-26 11:59:52,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:52,479 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:52,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52 WrapperNode [2023-11-26 11:59:52,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:52,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:52,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:52,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:52,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,568 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-26 11:59:52,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:52,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:52,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:52,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:52,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,589 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,608 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 11:59:52,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:52,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:52,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:52,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:52,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (1/1) ... [2023-11-26 11:59:52,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:52,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:52,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:52,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:59:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:59:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:59:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:52,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:52,931 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:00,729 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:00,797 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:00,797 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:00:00,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:00 BoogieIcfgContainer [2023-11-26 12:00:00,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:00,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:00,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:00,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:00,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:51" (1/3) ... [2023-11-26 12:00:00,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55824e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:00, skipping insertion in model container [2023-11-26 12:00:00,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:52" (2/3) ... [2023-11-26 12:00:00,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55824e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:00, skipping insertion in model container [2023-11-26 12:00:00,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:00" (3/3) ... [2023-11-26 12:00:00,809 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-94.i [2023-11-26 12:00:00,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:00,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:00:00,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:00,904 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;@71dbb611, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:00,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:00:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 12:00:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-26 12:00:00,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:00,931 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:00,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:00,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:00,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1672590539, now seen corresponding path program 1 times [2023-11-26 12:00:00,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:00,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386686450] [2023-11-26 12:00:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:00,954 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 12:00:00,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:00,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:00,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:01,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:00:01,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-11-26 12:00:01,603 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:01,604 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:01,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386686450] [2023-11-26 12:00:01,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386686450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:01,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:01,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:01,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097475984] [2023-11-26 12:00:01,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:01,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:00:01,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:01,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:00:01,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:01,669 INFO L87 Difference]: Start difference. First operand has 65 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-26 12:00:04,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:04,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:04,690 INFO L93 Difference]: Finished difference Result 129 states and 230 transitions. [2023-11-26 12:00:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:00:04,695 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 162 [2023-11-26 12:00:04,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:04,707 INFO L225 Difference]: With dead ends: 129 [2023-11-26 12:00:04,707 INFO L226 Difference]: Without dead ends: 63 [2023-11-26 12:00:04,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 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 12:00:04,717 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:04,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-26 12:00:04,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-26 12:00:04,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-26 12:00:04,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 12:00:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 97 transitions. [2023-11-26 12:00:04,776 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 97 transitions. Word has length 162 [2023-11-26 12:00:04,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:04,776 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 97 transitions. [2023-11-26 12:00:04,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-26 12:00:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2023-11-26 12:00:04,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-26 12:00:04,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:04,783 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:04,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:04,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:04,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:04,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:04,998 INFO L85 PathProgramCache]: Analyzing trace with hash 237923175, now seen corresponding path program 1 times [2023-11-26 12:00:04,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:04,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453617371] [2023-11-26 12:00:04,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:04,999 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 12:00:05,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:05,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:05,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:05,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:00:05,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-26 12:00:06,571 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:06,571 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:06,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453617371] [2023-11-26 12:00:06,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453617371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:06,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:06,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:06,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227226115] [2023-11-26 12:00:06,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:06,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:00:06,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:06,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:00:06,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:06,583 INFO L87 Difference]: Start difference. First operand 63 states and 97 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 12:00:10,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:13,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:13,612 INFO L93 Difference]: Finished difference Result 193 states and 295 transitions. [2023-11-26 12:00:13,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:13,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 162 [2023-11-26 12:00:13,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:13,618 INFO L225 Difference]: With dead ends: 193 [2023-11-26 12:00:13,618 INFO L226 Difference]: Without dead ends: 131 [2023-11-26 12:00:13,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:00:13,622 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 80 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:13,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 367 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-11-26 12:00:13,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-26 12:00:13,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 123. [2023-11-26 12:00:13,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 66 states have internal predecessors, (83), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-26 12:00:13,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 191 transitions. [2023-11-26 12:00:13,666 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 191 transitions. Word has length 162 [2023-11-26 12:00:13,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:13,667 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 191 transitions. [2023-11-26 12:00:13,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-26 12:00:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 191 transitions. [2023-11-26 12:00:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-26 12:00:13,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:13,671 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:13,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:13,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:13,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:13,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:13,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1727850964, now seen corresponding path program 1 times [2023-11-26 12:00:13,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:13,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550738117] [2023-11-26 12:00:13,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:13,897 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 12:00:13,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:13,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:13,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72670052-ed88-45f4-9dfd-f5d3ea1c9165/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 12:00:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:16,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-26 12:00:16,769 INFO L285 TraceCheckSpWp]: Computing forward predicates...