./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c --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_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/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_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/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_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/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 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:46:47,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:46:47,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:46:47,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:46:47,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:46:47,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:46:47,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:46:47,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:46:47,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:46:47,273 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:46:47,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:46:47,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:46:47,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:46:47,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:46:47,280 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:46:47,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:46:47,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:46:47,281 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:46:47,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:46:47,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:46:47,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:46:47,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:46:47,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:46:47,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:46:47,285 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:46:47,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:46:47,286 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:46:47,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:46:47,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:46:47,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:46:47,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:46:47,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:47,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:46:47,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:46:47,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:46:47,292 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:46:47,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:46:47,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:46:47,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:46:47,293 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:46:47,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:46:47,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:46:47,294 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_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2023-11-26 11:46:47,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:46:47,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:46:47,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:46:47,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:46:47,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:46:47,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-11-26 11:46:51,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:46:51,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:46:51,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-11-26 11:46:51,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/data/0add47358/f154e4a7db35440198a738a5724deebe/FLAGfe308237c [2023-11-26 11:46:51,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/data/0add47358/f154e4a7db35440198a738a5724deebe [2023-11-26 11:46:51,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:46:51,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:46:51,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:51,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:46:51,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:46:51,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c41f214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51, skipping insertion in model container [2023-11-26 11:46:51,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:46:51,539 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_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2023-11-26 11:46:51,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:51,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:46:51,589 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_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2023-11-26 11:46:51,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:51,617 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:46:51,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51 WrapperNode [2023-11-26 11:46:51,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:51,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:51,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:46:51,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:46:51,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,662 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-26 11:46:51,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:51,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:46:51,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:46:51,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:46:51,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,693 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:46:51,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:46:51,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:46:51,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:46:51,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:46:51,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (1/1) ... [2023-11-26 11:46:51,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:51,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:51,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:51,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:46:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:46:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:46:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:46:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:46:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 11:46:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 11:46:51,871 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:46:51,876 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:46:52,063 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:46:52,088 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:46:52,089 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:46:52,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:52 BoogieIcfgContainer [2023-11-26 11:46:52,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:46:52,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:46:52,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:46:52,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:46:52,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:46:51" (1/3) ... [2023-11-26 11:46:52,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0617b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:46:52, skipping insertion in model container [2023-11-26 11:46:52,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:51" (2/3) ... [2023-11-26 11:46:52,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0617b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:46:52, skipping insertion in model container [2023-11-26 11:46:52,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:52" (3/3) ... [2023-11-26 11:46:52,120 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound50.c [2023-11-26 11:46:52,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:46:52,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:46:52,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:46:52,228 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;@8b5b31e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:46:52,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:46:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:46:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 11:46:52,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:52,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:52,243 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:52,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:52,249 INFO L85 PathProgramCache]: Analyzing trace with hash -26250642, now seen corresponding path program 1 times [2023-11-26 11:46:52,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:52,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258510648] [2023-11-26 11:46:52,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:52,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:52,372 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:46:52,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2021651151] [2023-11-26 11:46:52,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:52,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:52,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:52,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:52,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:46:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:52,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-26 11:46:52,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:52,693 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:46:52,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:52,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258510648] [2023-11-26 11:46:52,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:46:52,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021651151] [2023-11-26 11:46:52,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021651151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:52,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:52,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:46:52,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654356288] [2023-11-26 11:46:52,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:52,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:46:52,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:52,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:46:52,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:46:52,748 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:52,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:52,921 INFO L93 Difference]: Finished difference Result 46 states and 66 transitions. [2023-11-26 11:46:52,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:46:52,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-26 11:46:52,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:52,934 INFO L225 Difference]: With dead ends: 46 [2023-11-26 11:46:52,934 INFO L226 Difference]: Without dead ends: 24 [2023-11-26 11:46:52,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:46:52,943 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:52,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 41 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:46:52,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-26 11:46:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-11-26 11:46:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:46:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-11-26 11:46:52,994 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 7 [2023-11-26 11:46:52,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:52,995 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-26 11:46:52,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:46:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-26 11:46:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:46:52,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:52,999 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:53,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:53,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:53,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:53,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash -479331439, now seen corresponding path program 1 times [2023-11-26 11:46:53,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:53,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361793849] [2023-11-26 11:46:53,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:53,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:53,227 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:46:53,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [874579424] [2023-11-26 11:46:53,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:53,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:53,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:53,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:53,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:46:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:53,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-26 11:46:53,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:53,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 11:46:53,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:53,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361793849] [2023-11-26 11:46:53,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:46:53,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874579424] [2023-11-26 11:46:53,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874579424] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:53,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:46:53,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2023-11-26 11:46:53,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48032580] [2023-11-26 11:46:53,820 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:53,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:46:53,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:53,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:46:53,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:46:53,825 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 13 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:46:54,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:54,111 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2023-11-26 11:46:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:46:54,112 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2023-11-26 11:46:54,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:54,113 INFO L225 Difference]: With dead ends: 40 [2023-11-26 11:46:54,113 INFO L226 Difference]: Without dead ends: 33 [2023-11-26 11:46:54,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-11-26 11:46:54,116 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 24 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:54,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 83 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:46:54,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-26 11:46:54,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2023-11-26 11:46:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 11:46:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2023-11-26 11:46:54,135 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 17 [2023-11-26 11:46:54,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:54,137 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2023-11-26 11:46:54,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:46:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-26 11:46:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 11:46:54,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:54,140 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:54,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:54,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:54,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:54,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:54,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1366888132, now seen corresponding path program 1 times [2023-11-26 11:46:54,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:54,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279476726] [2023-11-26 11:46:54,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:54,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:54,362 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:46:54,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855874381] [2023-11-26 11:46:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:54,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:54,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:54,368 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:54,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:46:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:54,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:46:54,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:54,490 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:54,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:54,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279476726] [2023-11-26 11:46:54,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:46:54,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855874381] [2023-11-26 11:46:54,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855874381] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:54,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:46:54,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2023-11-26 11:46:54,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855311017] [2023-11-26 11:46:54,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:54,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:46:54,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:54,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:46:54,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:46:54,540 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:46:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:54,633 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions. [2023-11-26 11:46:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 11:46:54,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-26 11:46:54,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:54,636 INFO L225 Difference]: With dead ends: 72 [2023-11-26 11:46:54,636 INFO L226 Difference]: Without dead ends: 66 [2023-11-26 11:46:54,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:46:54,639 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 34 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:54,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 93 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:46:54,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-26 11:46:54,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 54. [2023-11-26 11:46:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 11:46:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2023-11-26 11:46:54,660 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 18 [2023-11-26 11:46:54,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:54,661 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2023-11-26 11:46:54,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:46:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-11-26 11:46:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-26 11:46:54,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:54,663 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:54,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:54,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:54,876 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:54,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:54,877 INFO L85 PathProgramCache]: Analyzing trace with hash -382706270, now seen corresponding path program 1 times [2023-11-26 11:46:54,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:54,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230327761] [2023-11-26 11:46:54,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:54,890 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:46:54,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324440592] [2023-11-26 11:46:54,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:54,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:54,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:54,893 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:54,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 11:46:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:54,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-26 11:46:54,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:46:55,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:46:55,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:55,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230327761] [2023-11-26 11:46:55,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:46:55,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324440592] [2023-11-26 11:46:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324440592] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:55,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:46:55,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2023-11-26 11:46:55,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628384886] [2023-11-26 11:46:55,853 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:55,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-26 11:46:55,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:55,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-26 11:46:55,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2023-11-26 11:46:55,856 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 23 states, 19 states have (on average 1.736842105263158) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 11:46:56,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:56,787 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2023-11-26 11:46:56,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-26 11:46:56,788 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 1.736842105263158) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 24 [2023-11-26 11:46:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:56,793 INFO L225 Difference]: With dead ends: 64 [2023-11-26 11:46:56,793 INFO L226 Difference]: Without dead ends: 56 [2023-11-26 11:46:56,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=261, Invalid=1299, Unknown=0, NotChecked=0, Total=1560 [2023-11-26 11:46:56,798 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 51 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:56,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 107 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:46:56,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-26 11:46:56,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2023-11-26 11:46:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 11:46:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2023-11-26 11:46:56,828 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 24 [2023-11-26 11:46:56,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:56,829 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2023-11-26 11:46:56,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 1.736842105263158) internal successors, (33), 20 states have internal predecessors, (33), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 11:46:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-26 11:46:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-26 11:46:56,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:56,832 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:56,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:57,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:57,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:57,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2080125809, now seen corresponding path program 1 times [2023-11-26 11:46:57,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:57,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346712210] [2023-11-26 11:46:57,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:57,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:57,067 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:46:57,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684559862] [2023-11-26 11:46:57,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:57,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:57,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:57,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:57,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 11:46:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:57,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 11:46:57,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 8 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:57,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 8 proven. 44 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-26 11:46:57,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:57,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346712210] [2023-11-26 11:46:57,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:46:57,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684559862] [2023-11-26 11:46:57,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684559862] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:57,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:46:57,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-26 11:46:57,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429681994] [2023-11-26 11:46:57,448 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:57,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-26 11:46:57,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:57,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 11:46:57,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2023-11-26 11:46:57,453 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-26 11:46:57,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:57,663 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2023-11-26 11:46:57,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-26 11:46:57,664 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 48 [2023-11-26 11:46:57,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:57,669 INFO L225 Difference]: With dead ends: 115 [2023-11-26 11:46:57,670 INFO L226 Difference]: Without dead ends: 109 [2023-11-26 11:46:57,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=322, Unknown=0, NotChecked=0, Total=506 [2023-11-26 11:46:57,671 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 44 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:57,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 124 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:46:57,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-26 11:46:57,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-26 11:46:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 87 states have (on average 1.1264367816091954) internal successors, (98), 87 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-26 11:46:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2023-11-26 11:46:57,733 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 48 [2023-11-26 11:46:57,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:57,734 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2023-11-26 11:46:57,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-26 11:46:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2023-11-26 11:46:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-26 11:46:57,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:57,744 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:57,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:57,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:57,954 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:57,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:57,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1893266719, now seen corresponding path program 2 times [2023-11-26 11:46:57,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:57,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955290744] [2023-11-26 11:46:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:57,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:57,994 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:46:57,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329473886] [2023-11-26 11:46:57,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:46:57,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:57,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:58,000 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:58,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 11:46:58,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:46:58,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:46:58,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-26 11:46:58,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:46:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 20 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:58,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:46:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 20 proven. 290 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-26 11:46:58,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:58,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955290744] [2023-11-26 11:46:58,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:46:58,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329473886] [2023-11-26 11:46:58,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329473886] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:46:58,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:46:58,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 26 [2023-11-26 11:46:58,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246149996] [2023-11-26 11:46:58,824 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:46:58,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-26 11:46:58,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:58,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-26 11:46:58,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=369, Unknown=0, NotChecked=0, Total=650 [2023-11-26 11:46:58,828 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand has 26 states, 26 states have (on average 5.5) internal successors, (143), 26 states have internal predecessors, (143), 21 states have call successors, (21), 12 states have call predecessors, (21), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 11:46:59,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:59,398 INFO L93 Difference]: Finished difference Result 235 states and 268 transitions. [2023-11-26 11:46:59,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-26 11:46:59,398 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.5) internal successors, (143), 26 states have internal predecessors, (143), 21 states have call successors, (21), 12 states have call predecessors, (21), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 108 [2023-11-26 11:46:59,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:59,405 INFO L225 Difference]: With dead ends: 235 [2023-11-26 11:46:59,406 INFO L226 Difference]: Without dead ends: 229 [2023-11-26 11:46:59,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=796, Invalid=1366, Unknown=0, NotChecked=0, Total=2162 [2023-11-26 11:46:59,408 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 151 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:59,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 198 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:46:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-11-26 11:46:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2023-11-26 11:46:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 183 states have (on average 1.1256830601092895) internal successors, (206), 183 states have internal predecessors, (206), 23 states have call successors, (23), 23 states have call predecessors, (23), 22 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 11:46:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 251 transitions. [2023-11-26 11:46:59,481 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 251 transitions. Word has length 108 [2023-11-26 11:46:59,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:59,483 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 251 transitions. [2023-11-26 11:46:59,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.5) internal successors, (143), 26 states have internal predecessors, (143), 21 states have call successors, (21), 12 states have call predecessors, (21), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 11:46:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 251 transitions. [2023-11-26 11:46:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-26 11:46:59,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:59,493 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:59,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:46:59,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:59,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:59,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:59,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1650934405, now seen corresponding path program 3 times [2023-11-26 11:46:59,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:59,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869713460] [2023-11-26 11:46:59,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:59,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:59,745 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:46:59,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795142787] [2023-11-26 11:46:59,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 11:46:59,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:46:59,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:59,748 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:46:59,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 11:46:59,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-26 11:46:59,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:46:59,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 11:46:59,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:00,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 234 proven. 1 refuted. 0 times theorem prover too weak. 2163 trivial. 0 not checked. [2023-11-26 11:47:00,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:47:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 106 proven. 129 refuted. 0 times theorem prover too weak. 2163 trivial. 0 not checked. [2023-11-26 11:47:00,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:00,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869713460] [2023-11-26 11:47:00,806 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:47:00,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795142787] [2023-11-26 11:47:00,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795142787] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:47:00,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:47:00,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2023-11-26 11:47:00,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273145038] [2023-11-26 11:47:00,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:47:00,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-26 11:47:00,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:00,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-26 11:47:00,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-11-26 11:47:00,811 INFO L87 Difference]: Start difference. First operand 229 states and 251 transitions. Second operand has 18 states, 14 states have (on average 2.357142857142857) internal successors, (33), 17 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 11:47:01,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:01,153 INFO L93 Difference]: Finished difference Result 448 states and 491 transitions. [2023-11-26 11:47:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 11:47:01,153 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 2.357142857142857) internal successors, (33), 17 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 228 [2023-11-26 11:47:01,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:01,162 INFO L225 Difference]: With dead ends: 448 [2023-11-26 11:47:01,162 INFO L226 Difference]: Without dead ends: 442 [2023-11-26 11:47:01,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 437 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2023-11-26 11:47:01,164 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 25 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:01,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 69 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:47:01,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-11-26 11:47:01,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 439. [2023-11-26 11:47:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 351 states have (on average 1.1253561253561253) internal successors, (395), 351 states have internal predecessors, (395), 44 states have call successors, (44), 44 states have call predecessors, (44), 43 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-26 11:47:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 482 transitions. [2023-11-26 11:47:01,285 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 482 transitions. Word has length 228 [2023-11-26 11:47:01,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:01,287 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 482 transitions. [2023-11-26 11:47:01,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 2.357142857142857) internal successors, (33), 17 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 11:47:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 482 transitions. [2023-11-26 11:47:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-26 11:47:01,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:01,292 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 21, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:01,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:01,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:01,498 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:47:01,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:01,499 INFO L85 PathProgramCache]: Analyzing trace with hash -970876035, now seen corresponding path program 1 times [2023-11-26 11:47:01,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:01,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570899987] [2023-11-26 11:47:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:01,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:01,526 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:47:01,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108979663] [2023-11-26 11:47:01,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:01,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:01,528 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:47:01,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 11:47:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:01,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-26 11:47:01,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:02,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 44 proven. 2354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:02,515 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:47:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 44 proven. 1430 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 11:47:03,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:03,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570899987] [2023-11-26 11:47:03,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:47:03,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108979663] [2023-11-26 11:47:03,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108979663] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:47:03,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:47:03,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 50 [2023-11-26 11:47:03,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405660334] [2023-11-26 11:47:03,739 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:47:03,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-11-26 11:47:03,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:03,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-11-26 11:47:03,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1133, Invalid=1317, Unknown=0, NotChecked=0, Total=2450 [2023-11-26 11:47:03,746 INFO L87 Difference]: Start difference. First operand 439 states and 482 transitions. Second operand has 50 states, 50 states have (on average 5.98) internal successors, (299), 50 states have internal predecessors, (299), 45 states have call successors, (45), 24 states have call predecessors, (45), 23 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 11:47:06,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:06,255 INFO L93 Difference]: Finished difference Result 928 states and 1042 transitions. [2023-11-26 11:47:06,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-26 11:47:06,257 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 5.98) internal successors, (299), 50 states have internal predecessors, (299), 45 states have call successors, (45), 24 states have call predecessors, (45), 23 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 228 [2023-11-26 11:47:06,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:06,267 INFO L225 Difference]: With dead ends: 928 [2023-11-26 11:47:06,268 INFO L226 Difference]: Without dead ends: 922 [2023-11-26 11:47:06,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3316, Invalid=5614, Unknown=0, NotChecked=0, Total=8930 [2023-11-26 11:47:06,277 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 353 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:06,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 384 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:47:06,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2023-11-26 11:47:06,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 919. [2023-11-26 11:47:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 735 states have (on average 1.125170068027211) internal successors, (827), 735 states have internal predecessors, (827), 92 states have call successors, (92), 92 states have call predecessors, (92), 91 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-11-26 11:47:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1010 transitions. [2023-11-26 11:47:06,538 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1010 transitions. Word has length 228 [2023-11-26 11:47:06,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:06,539 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1010 transitions. [2023-11-26 11:47:06,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.98) internal successors, (299), 50 states have internal predecessors, (299), 45 states have call successors, (45), 24 states have call predecessors, (45), 23 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 11:47:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1010 transitions. [2023-11-26 11:47:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-11-26 11:47:06,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:06,553 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 45, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:06,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:06,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:06,760 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:47:06,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:06,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1917042635, now seen corresponding path program 2 times [2023-11-26 11:47:06,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:06,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058945093] [2023-11-26 11:47:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:06,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:06,809 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:47:06,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369682300] [2023-11-26 11:47:06,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:47:06,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:06,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:06,811 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:47:06,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 11:47:07,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:47:07,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:47:07,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-26 11:47:07,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:47:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10534 backedges. 92 proven. 10442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:09,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:47:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 10534 backedges. 92 proven. 6302 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2023-11-26 11:47:11,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:11,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058945093] [2023-11-26 11:47:11,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:47:11,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369682300] [2023-11-26 11:47:11,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369682300] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:47:11,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:47:11,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 50] total 54 [2023-11-26 11:47:11,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698411950] [2023-11-26 11:47:11,294 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:47:11,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-11-26 11:47:11,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:11,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-11-26 11:47:11,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1331, Invalid=1531, Unknown=0, NotChecked=0, Total=2862 [2023-11-26 11:47:11,300 INFO L87 Difference]: Start difference. First operand 919 states and 1010 transitions. Second operand has 54 states, 54 states have (on average 7.351851851851852) internal successors, (397), 54 states have internal predecessors, (397), 50 states have call successors, (93), 48 states have call predecessors, (93), 47 states have return successors, (92), 49 states have call predecessors, (92), 49 states have call successors, (92) [2023-11-26 11:47:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:13,693 INFO L93 Difference]: Finished difference Result 1008 states and 1110 transitions. [2023-11-26 11:47:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-11-26 11:47:13,697 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 7.351851851851852) internal successors, (397), 54 states have internal predecessors, (397), 50 states have call successors, (93), 48 states have call predecessors, (93), 47 states have return successors, (92), 49 states have call predecessors, (92), 49 states have call successors, (92) Word has length 468 [2023-11-26 11:47:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:13,716 INFO L225 Difference]: With dead ends: 1008 [2023-11-26 11:47:13,717 INFO L226 Difference]: Without dead ends: 1002 [2023-11-26 11:47:13,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 983 GetRequests, 838 SyntacticMatches, 44 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2350 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3926, Invalid=6580, Unknown=0, NotChecked=0, Total=10506 [2023-11-26 11:47:13,731 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 175 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:13,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 409 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:47:13,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2023-11-26 11:47:14,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 999. [2023-11-26 11:47:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 799 states have (on average 1.1251564455569463) internal successors, (899), 799 states have internal predecessors, (899), 100 states have call successors, (100), 100 states have call predecessors, (100), 99 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-26 11:47:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1098 transitions. [2023-11-26 11:47:14,144 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1098 transitions. Word has length 468 [2023-11-26 11:47:14,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:14,146 INFO L495 AbstractCegarLoop]: Abstraction has 999 states and 1098 transitions. [2023-11-26 11:47:14,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.351851851851852) internal successors, (397), 54 states have internal predecessors, (397), 50 states have call successors, (93), 48 states have call predecessors, (93), 47 states have return successors, (92), 49 states have call predecessors, (92), 49 states have call successors, (92) [2023-11-26 11:47:14,147 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1098 transitions. [2023-11-26 11:47:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-11-26 11:47:14,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:14,168 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 50, 49, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:14,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:14,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:14,378 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:47:14,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:14,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2091126185, now seen corresponding path program 3 times [2023-11-26 11:47:14,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:14,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404055334] [2023-11-26 11:47:14,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:14,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:14,461 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:47:14,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519602931] [2023-11-26 11:47:14,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 11:47:14,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:47:14,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:14,463 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:47:14,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 11:47:15,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 51 check-sat command(s) [2023-11-26 11:47:15,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-26 11:47:15,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:47:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:47:15,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:47:15,685 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:47:15,686 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:47:15,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:47:15,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 11:47:15,903 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1] [2023-11-26 11:47:15,908 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:47:15,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:47:16 BoogieIcfgContainer [2023-11-26 11:47:16,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:47:16,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:47:16,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:47:16,112 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:47:16,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:52" (3/4) ... [2023-11-26 11:47:16,113 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-26 11:47:16,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-11-26 11:47:16,354 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:47:16,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:47:16,355 INFO L158 Benchmark]: Toolchain (without parser) took 25038.59ms. Allocated memory was 121.6MB in the beginning and 255.9MB in the end (delta: 134.2MB). Free memory was 79.5MB in the beginning and 218.6MB in the end (delta: -139.1MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. [2023-11-26 11:47:16,355 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:16,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.39ms. Allocated memory is still 121.6MB. Free memory was 79.2MB in the beginning and 68.5MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:47:16,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.34ms. Allocated memory is still 121.6MB. Free memory was 68.5MB in the beginning and 66.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:16,357 INFO L158 Benchmark]: Boogie Preprocessor took 44.49ms. Allocated memory is still 121.6MB. Free memory was 66.9MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:16,357 INFO L158 Benchmark]: RCFGBuilder took 395.15ms. Allocated memory is still 121.6MB. Free memory was 65.1MB in the beginning and 93.9MB in the end (delta: -28.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-26 11:47:16,358 INFO L158 Benchmark]: TraceAbstraction took 24001.70ms. Allocated memory was 121.6MB in the beginning and 255.9MB in the end (delta: 134.2MB). Free memory was 93.2MB in the beginning and 95.6MB in the end (delta: -2.4MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. [2023-11-26 11:47:16,360 INFO L158 Benchmark]: Witness Printer took 242.85ms. Allocated memory is still 255.9MB. Free memory was 95.6MB in the beginning and 218.6MB in the end (delta: -123.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 11:47:16,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.39ms. Allocated memory is still 121.6MB. Free memory was 79.2MB in the beginning and 68.5MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.34ms. Allocated memory is still 121.6MB. Free memory was 68.5MB in the beginning and 66.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.49ms. Allocated memory is still 121.6MB. Free memory was 66.9MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.15ms. Allocated memory is still 121.6MB. Free memory was 65.1MB in the beginning and 93.9MB in the end (delta: -28.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24001.70ms. Allocated memory was 121.6MB in the beginning and 255.9MB in the end (delta: 134.2MB). Free memory was 93.2MB in the beginning and 95.6MB in the end (delta: -2.4MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. * Witness Printer took 242.85ms. Allocated memory is still 255.9MB. Free memory was 95.6MB in the beginning and 218.6MB in the end (delta: -123.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 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 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21] int counter = 0; [L23] int X, Y; [L24] long long x, y, v, xy, yx; [L25] X = __VERIFIER_nondet_int() [L26] Y = __VERIFIER_nondet_int() [L27] v = ((long long) 2 * Y) - X [L28] y = 0 [L29] x = 0 VAL [X=99, Y=1, counter=0, v=-97, x=0, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=1, v=-97, x=0, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=1, v=-97, x=0, x=0, x=0, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=1, v=-97, x=0, x=0, x=0, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=1, v=-97, x=0, x=0, x=0, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=1, v=-95, x=0, x=0, x=0, y=0] [L45] x++ VAL [X=99, Y=1, counter=1, v=-95, x=0, x=0, x=1, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=2, v=-95, x=0, x=0, x=1, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=2, v=-95, x=0, x=1, x=1, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=2] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=2, v=-95, x=0, x=1, x=1, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=2, v=-95, x=0, x=1, x=1, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=2, v=-93, x=0, x=1, x=1, y=0] [L45] x++ VAL [X=99, Y=1, counter=2, v=-93, x=0, x=1, x=2, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=3, v=-93, x=0, x=1, x=2, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=3, v=-93, x=0, x=2, x=2, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=3] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=3, v=-93, x=0, x=2, x=2, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=3, v=-93, x=0, x=2, x=2, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=3, v=-91, x=0, x=2, x=2, y=0] [L45] x++ VAL [X=99, Y=1, counter=3, v=-91, x=0, x=2, x=3, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=4, v=-91, x=0, x=2, x=3, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=4, v=-91, x=0, x=3, x=3, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=4] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=4, v=-91, x=0, x=3, x=3, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=4, v=-91, x=0, x=3, x=3, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=4, v=-89, x=0, x=3, x=3, y=0] [L45] x++ VAL [X=99, Y=1, counter=4, v=-89, x=0, x=3, x=4, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=5, v=-89, x=0, x=3, x=4, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=5, v=-89, x=0, x=4, x=4, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=5] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=5, v=-89, x=0, x=4, x=4, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=5, v=-89, x=0, x=4, x=4, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=5, v=-87, x=0, x=4, x=4, y=0] [L45] x++ VAL [X=99, Y=1, counter=5, v=-87, x=0, x=4, x=5, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=6, v=-87, x=0, x=4, x=5, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=6, v=-87, x=0, x=5, x=5, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=6] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=6] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=6, v=-87, x=0, x=5, x=5, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=6, v=-87, x=0, x=5, x=5, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=6, v=-85, x=0, x=5, x=5, y=0] [L45] x++ VAL [X=99, Y=1, counter=6, v=-85, x=0, x=5, x=6, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=7, v=-85, x=0, x=5, x=6, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=7, v=-85, x=0, x=6, x=6, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=7] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=7] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=7, v=-85, x=0, x=6, x=6, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=7, v=-85, x=0, x=6, x=6, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=7, v=-83, x=0, x=6, x=6, y=0] [L45] x++ VAL [X=99, Y=1, counter=7, v=-83, x=0, x=6, x=7, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=8, v=-83, x=0, x=6, x=7, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=8, v=-83, x=0, x=7, x=7, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=8] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=8] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=8, v=-83, x=0, x=7, x=7, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=8, v=-83, x=0, x=7, x=7, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=8, v=-81, x=0, x=7, x=7, y=0] [L45] x++ VAL [X=99, Y=1, counter=8, v=-81, x=0, x=7, x=8, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=9, v=-81, x=0, x=7, x=8, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=9, v=-81, x=0, x=8, x=8, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=9] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=9] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=9, v=-81, x=0, x=8, x=8, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=9, v=-81, x=0, x=8, x=8, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=9, v=-79, x=0, x=8, x=8, y=0] [L45] x++ VAL [X=99, Y=1, counter=9, v=-79, x=0, x=8, x=9, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=10, v=-79, x=0, x=8, x=9, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=10, v=-79, x=0, x=9, x=9, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=10] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=10] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=10, v=-79, x=0, x=9, x=9, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=10, v=-79, x=0, x=9, x=9, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=10, v=-77, x=0, x=9, x=9, y=0] [L45] x++ VAL [X=99, Y=1, counter=10, v=-77, x=0, x=10, x=9, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=11, v=-77, x=0, x=10, x=9, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=11, v=-77, x=0, x=10, x=10, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=11] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=11] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=11, v=-77, x=0, x=10, x=10, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=11, v=-77, x=0, x=10, x=10, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=11, v=-75, x=0, x=10, x=10, y=0] [L45] x++ VAL [X=99, Y=1, counter=11, v=-75, x=0, x=10, x=11, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=12, v=-75, x=0, x=10, x=11, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=12, v=-75, x=0, x=11, x=11, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=12] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=12] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=12, v=-75, x=0, x=11, x=11, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=12, v=-75, x=0, x=11, x=11, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=12, v=-73, x=0, x=11, x=11, y=0] [L45] x++ VAL [X=99, Y=1, counter=12, v=-73, x=0, x=11, x=12, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=13, v=-73, x=0, x=11, x=12, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=13, v=-73, x=0, x=12, x=12, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=13] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=13] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=13, v=-73, x=0, x=12, x=12, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=13, v=-73, x=0, x=12, x=12, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=13, v=-71, x=0, x=12, x=12, y=0] [L45] x++ VAL [X=99, Y=1, counter=13, v=-71, x=0, x=12, x=13, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=14, v=-71, x=0, x=12, x=13, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=14, v=-71, x=0, x=13, x=13, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=14] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=14] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=14, v=-71, x=0, x=13, x=13, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=14, v=-71, x=0, x=13, x=13, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=14, v=-69, x=0, x=13, x=13, y=0] [L45] x++ VAL [X=99, Y=1, counter=14, v=-69, x=0, x=13, x=14, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=15, v=-69, x=0, x=13, x=14, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=15, v=-69, x=0, x=14, x=14, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=15] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=15] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=15, v=-69, x=0, x=14, x=14, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=15, v=-69, x=0, x=14, x=14, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=15, v=-67, x=0, x=14, x=14, y=0] [L45] x++ VAL [X=99, Y=1, counter=15, v=-67, x=0, x=14, x=15, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=16, v=-67, x=0, x=14, x=15, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=16, v=-67, x=0, x=15, x=15, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=16] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=16] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=16, v=-67, x=0, x=15, x=15, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=16, v=-67, x=0, x=15, x=15, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=16, v=-65, x=0, x=15, x=15, y=0] [L45] x++ VAL [X=99, Y=1, counter=16, v=-65, x=0, x=15, x=16, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=17, v=-65, x=0, x=15, x=16, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=17, v=-65, x=0, x=16, x=16, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=17] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=17] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=17, v=-65, x=0, x=16, x=16, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=17, v=-65, x=0, x=16, x=16, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=17, v=-63, x=0, x=16, x=16, y=0] [L45] x++ VAL [X=99, Y=1, counter=17, v=-63, x=0, x=16, x=17, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=18, v=-63, x=0, x=16, x=17, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=18, v=-63, x=0, x=17, x=17, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=18] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=18] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=18, v=-63, x=0, x=17, x=17, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=18, v=-63, x=0, x=17, x=17, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=18, v=-61, x=0, x=17, x=17, y=0] [L45] x++ VAL [X=99, Y=1, counter=18, v=-61, x=0, x=17, x=18, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=19, v=-61, x=0, x=17, x=18, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=19, v=-61, x=0, x=18, x=18, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=19] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=19] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=19, v=-61, x=0, x=18, x=18, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=19, v=-61, x=0, x=18, x=18, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=19, v=-59, x=0, x=18, x=18, y=0] [L45] x++ VAL [X=99, Y=1, counter=19, v=-59, x=0, x=18, x=19, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=20, v=-59, x=0, x=18, x=19, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=20, v=-59, x=0, x=19, x=19, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=20] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=20] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=20, v=-59, x=0, x=19, x=19, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=20, v=-59, x=0, x=19, x=19, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=20, v=-57, x=0, x=19, x=19, y=0] [L45] x++ VAL [X=99, Y=1, counter=20, v=-57, x=0, x=19, x=20, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=21, v=-57, x=0, x=19, x=20, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=21, v=-57, x=0, x=20, x=20, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=21] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=21] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=21, v=-57, x=0, x=20, x=20, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=21, v=-57, x=0, x=20, x=20, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=21, v=-55, x=0, x=20, x=20, y=0] [L45] x++ VAL [X=99, Y=1, counter=21, v=-55, x=0, x=20, x=21, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=22, v=-55, x=0, x=20, x=21, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=22, v=-55, x=0, x=21, x=21, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=22] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=22] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=22, v=-55, x=0, x=21, x=21, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=22, v=-55, x=0, x=21, x=21, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=22, v=-53, x=0, x=21, x=21, y=0] [L45] x++ VAL [X=99, Y=1, counter=22, v=-53, x=0, x=21, x=22, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=23, v=-53, x=0, x=21, x=22, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=23, v=-53, x=0, x=22, x=22, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=23] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=23] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=23, v=-53, x=0, x=22, x=22, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=23, v=-53, x=0, x=22, x=22, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=23, v=-51, x=0, x=22, x=22, y=0] [L45] x++ VAL [X=99, Y=1, counter=23, v=-51, x=0, x=22, x=23, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=24, v=-51, x=0, x=22, x=23, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=24, v=-51, x=0, x=23, x=23, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=24] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=24] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=24, v=-51, x=0, x=23, x=23, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=24, v=-51, x=0, x=23, x=23, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=24, v=-49, x=0, x=23, x=23, y=0] [L45] x++ VAL [X=99, Y=1, counter=24, v=-49, x=0, x=23, x=24, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=25, v=-49, x=0, x=23, x=24, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=25, v=-49, x=0, x=24, x=24, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=25] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=25] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=25, v=-49, x=0, x=24, x=24, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=25, v=-49, x=0, x=24, x=24, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=25, v=-47, x=0, x=24, x=24, y=0] [L45] x++ VAL [X=99, Y=1, counter=25, v=-47, x=0, x=24, x=25, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=26, v=-47, x=0, x=24, x=25, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=26, v=-47, x=0, x=25, x=25, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=26] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=26] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=26, v=-47, x=0, x=25, x=25, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=26, v=-47, x=0, x=25, x=25, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=26, v=-45, x=0, x=25, x=25, y=0] [L45] x++ VAL [X=99, Y=1, counter=26, v=-45, x=0, x=25, x=26, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=27, v=-45, x=0, x=25, x=26, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=27, v=-45, x=0, x=26, x=26, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=27] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=27] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=27, v=-45, x=0, x=26, x=26, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=27, v=-45, x=0, x=26, x=26, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=27, v=-43, x=0, x=26, x=26, y=0] [L45] x++ VAL [X=99, Y=1, counter=27, v=-43, x=0, x=26, x=27, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=28, v=-43, x=0, x=26, x=27, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=28, v=-43, x=0, x=27, x=27, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=28] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=28] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=28, v=-43, x=0, x=27, x=27, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=28, v=-43, x=0, x=27, x=27, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=28, v=-41, x=0, x=27, x=27, y=0] [L45] x++ VAL [X=99, Y=1, counter=28, v=-41, x=0, x=27, x=28, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=29, v=-41, x=0, x=27, x=28, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=29, v=-41, x=0, x=28, x=28, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=29] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=29] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=29, v=-41, x=0, x=28, x=28, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=29, v=-41, x=0, x=28, x=28, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=29, v=-39, x=0, x=28, x=28, y=0] [L45] x++ VAL [X=99, Y=1, counter=29, v=-39, x=0, x=28, x=29, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=30, v=-39, x=0, x=28, x=29, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=30, v=-39, x=0, x=29, x=29, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=30] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=30] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=30, v=-39, x=0, x=29, x=29, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=30, v=-39, x=0, x=29, x=29, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=30, v=-37, x=0, x=29, x=29, y=0] [L45] x++ VAL [X=99, Y=1, counter=30, v=-37, x=0, x=29, x=30, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=31, v=-37, x=0, x=29, x=30, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=31, v=-37, x=0, x=30, x=30, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=31] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=31] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=31, v=-37, x=0, x=30, x=30, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=31, v=-37, x=0, x=30, x=30, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=31, v=-35, x=0, x=30, x=30, y=0] [L45] x++ VAL [X=99, Y=1, counter=31, v=-35, x=0, x=30, x=31, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=32, v=-35, x=0, x=30, x=31, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=32, v=-35, x=0, x=31, x=31, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=32] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=32] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=32, v=-35, x=0, x=31, x=31, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=32, v=-35, x=0, x=31, x=31, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=32, v=-33, x=0, x=31, x=31, y=0] [L45] x++ VAL [X=99, Y=1, counter=32, v=-33, x=0, x=31, x=32, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=33, v=-33, x=0, x=31, x=32, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=33, v=-33, x=0, x=32, x=32, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=33] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=33] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=33, v=-33, x=0, x=32, x=32, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=33, v=-33, x=0, x=32, x=32, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=33, v=-31, x=0, x=32, x=32, y=0] [L45] x++ VAL [X=99, Y=1, counter=33, v=-31, x=0, x=32, x=33, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=34, v=-31, x=0, x=32, x=33, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=34, v=-31, x=0, x=33, x=33, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=34] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=34] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=34, v=-31, x=0, x=33, x=33, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=34, v=-31, x=0, x=33, x=33, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=34, v=-29, x=0, x=33, x=33, y=0] [L45] x++ VAL [X=99, Y=1, counter=34, v=-29, x=0, x=33, x=34, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=35, v=-29, x=0, x=33, x=34, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=35, v=-29, x=0, x=34, x=34, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=35] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=35] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=35, v=-29, x=0, x=34, x=34, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=35, v=-29, x=0, x=34, x=34, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=35, v=-27, x=0, x=34, x=34, y=0] [L45] x++ VAL [X=99, Y=1, counter=35, v=-27, x=0, x=34, x=35, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=36, v=-27, x=0, x=34, x=35, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=36, v=-27, x=0, x=35, x=35, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=36] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=36] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=36, v=-27, x=0, x=35, x=35, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=36, v=-27, x=0, x=35, x=35, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=36, v=-25, x=0, x=35, x=35, y=0] [L45] x++ VAL [X=99, Y=1, counter=36, v=-25, x=0, x=35, x=36, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=37, v=-25, x=0, x=35, x=36, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=37, v=-25, x=0, x=36, x=36, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=37] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=37] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=37, v=-25, x=0, x=36, x=36, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=37, v=-25, x=0, x=36, x=36, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=37, v=-23, x=0, x=36, x=36, y=0] [L45] x++ VAL [X=99, Y=1, counter=37, v=-23, x=0, x=36, x=37, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=38, v=-23, x=0, x=36, x=37, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=38, v=-23, x=0, x=37, x=37, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=38] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=38] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=38, v=-23, x=0, x=37, x=37, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=38, v=-23, x=0, x=37, x=37, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=38, v=-21, x=0, x=37, x=37, y=0] [L45] x++ VAL [X=99, Y=1, counter=38, v=-21, x=0, x=37, x=38, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=39, v=-21, x=0, x=37, x=38, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=39, v=-21, x=0, x=38, x=38, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=39] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=39] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=39, v=-21, x=0, x=38, x=38, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=39, v=-21, x=0, x=38, x=38, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=39, v=-19, x=0, x=38, x=38, y=0] [L45] x++ VAL [X=99, Y=1, counter=39, v=-19, x=0, x=38, x=39, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=40, v=-19, x=0, x=38, x=39, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=40, v=-19, x=0, x=39, x=39, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=40] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=40] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=40, v=-19, x=0, x=39, x=39, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=40, v=-19, x=0, x=39, x=39, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=40, v=-17, x=0, x=39, x=39, y=0] [L45] x++ VAL [X=99, Y=1, counter=40, v=-17, x=0, x=39, x=40, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=41, v=-17, x=0, x=39, x=40, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=41, v=-17, x=0, x=40, x=40, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=41] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=41] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=41, v=-17, x=0, x=40, x=40, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=41, v=-17, x=0, x=40, x=40, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=41, v=-15, x=0, x=40, x=40, y=0] [L45] x++ VAL [X=99, Y=1, counter=41, v=-15, x=0, x=40, x=41, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=42, v=-15, x=0, x=40, x=41, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=42, v=-15, x=0, x=41, x=41, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=42] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=42] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=42, v=-15, x=0, x=41, x=41, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=42, v=-15, x=0, x=41, x=41, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=42, v=-13, x=0, x=41, x=41, y=0] [L45] x++ VAL [X=99, Y=1, counter=42, v=-13, x=0, x=41, x=42, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=43, v=-13, x=0, x=41, x=42, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=43, v=-13, x=0, x=42, x=42, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=43] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=43] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=43, v=-13, x=0, x=42, x=42, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=43, v=-13, x=0, x=42, x=42, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=43, v=-11, x=0, x=42, x=42, y=0] [L45] x++ VAL [X=99, Y=1, counter=43, v=-11, x=0, x=42, x=43, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=44, v=-11, x=0, x=42, x=43, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=44, v=-11, x=0, x=43, x=43, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=44] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=44] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=44, v=-11, x=0, x=43, x=43, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=44, v=-11, x=0, x=43, x=43, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=44, v=-9, x=0, x=43, x=43, y=0] [L45] x++ VAL [X=99, Y=1, counter=44, v=-9, x=0, x=43, x=44, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=45, v=-9, x=0, x=43, x=44, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=45, v=-9, x=0, x=44, x=44, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=45] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=45] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=45, v=-9, x=0, x=44, x=44, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=45, v=-9, x=0, x=44, x=44, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=45, v=-7, x=0, x=44, x=44, y=0] [L45] x++ VAL [X=99, Y=1, counter=45, v=-7, x=0, x=44, x=45, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=46, v=-7, x=0, x=44, x=45, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=46, v=-7, x=0, x=45, x=45, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=46] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=46] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=46, v=-7, x=0, x=45, x=45, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=46, v=-7, x=0, x=45, x=45, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=46, v=-5, x=0, x=45, x=45, y=0] [L45] x++ VAL [X=99, Y=1, counter=46, v=-5, x=0, x=45, x=46, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=47, v=-5, x=0, x=45, x=46, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=47, v=-5, x=0, x=46, x=46, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=47] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=47] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=47, v=-5, x=0, x=46, x=46, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=47, v=-5, x=0, x=46, x=46, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=47, v=-3, x=0, x=46, x=46, y=0] [L45] x++ VAL [X=99, Y=1, counter=47, v=-3, x=0, x=46, x=47, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=48, v=-3, x=0, x=46, x=47, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=48, v=-3, x=0, x=47, x=47, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=48] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=48] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=48, v=-3, x=0, x=47, x=47, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=48, v=-3, x=0, x=47, x=47, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=48, v=-1, x=0, x=47, x=47, y=0] [L45] x++ VAL [X=99, Y=1, counter=48, v=-1, x=0, x=47, x=48, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=49, v=-1, x=0, x=47, x=48, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=49, v=-1, x=0, x=48, x=48, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=49] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=49] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=49, v=-1, x=0, x=48, x=48, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=49, v=-1, x=0, x=48, x=48, y=0] [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y VAL [X=99, Y=1, counter=49, v=1, x=0, x=48, x=48, y=0] [L45] x++ VAL [X=99, Y=1, counter=49, v=1, x=0, x=48, x=49, y=0] [L31] EXPR counter++ VAL [X=99, Y=1, counter=50, v=1, x=0, x=48, x=49, y=0] [L31] COND TRUE counter++<50 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=99, Y=1, counter=50, v=1, x=0, x=49, x=49, y=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=50] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=50] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=99, Y=1, counter=50, v=1, x=0, x=49, x=49, y=0] [L35] COND FALSE !(!(x <= X)) VAL [X=99, Y=1, counter=50, v=1, x=0, x=49, x=49, y=0] [L39] COND FALSE !(v < 0) [L42] v = v + 2 * ((long long) Y - X) [L43] y++ VAL [X=99, Y=1, counter=50, v=-195, x=0, x=49, x=49, y=1] [L45] x++ VAL [X=99, Y=1, counter=50, v=-195, x=0, x=49, x=50, y=1] [L31] EXPR counter++ VAL [X=99, Y=1, counter=51, v=-195, x=0, x=49, x=50, y=1] [L31] COND FALSE !(counter++<50) [L47] xy = (long long) x*y [L48] yx = (long long) Y*x VAL [X=99, Y=1, counter=51, v=-195, x=50, x=50, x=50, y=1] [L49] CALL __VERIFIER_assert(2*yx - 2*xy - X + (long long) 2*Y - v + 2*y == 0) VAL [\old(cond)=0, counter=51] [L14] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=51] [L16] reach_error() VAL [\old(cond)=0, cond=0, counter=51] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.7s, OverallIterations: 10, TraceHistogramMax: 51, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 870 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 869 mSDsluCounter, 1508 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1406 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1134 IncrementalHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 102 mSDtfsCounter, 1134 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2422 GetRequests, 2029 SyntacticMatches, 45 SemanticMatches, 348 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4398 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=999occurred in iteration=9, InterpolantAutomatonStates: 330, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 1654 NumberOfCodeBlocks, 1444 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 2268 ConstructedInterpolants, 1 QuantifiedInterpolants, 6390 SizeOfPredicates, 107 NumberOfNonLiveVariables, 2545 ConjunctsInSsa, 276 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 10289/31834 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 proved your program to be incorrect! [2023-11-26 11:47:16,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7006ff-84b8-4c73-be9b-a46ac011eb3b/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE