./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/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 abb22874cc515e6597c493938d8a3907b8ef4cc1e14b264963b72f5eff3fe5c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:14,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:14,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:03:14,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:14,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:14,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:14,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:14,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:14,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:14,626 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:14,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:14,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:14,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:14,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:14,631 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:14,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:14,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:03:14,632 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:03:14,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:03:14,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:03:14,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:14,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:03:14,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:14,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:03:14,635 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:03:14,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:03:14,636 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:14,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:14,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:14,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:14,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:14,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:14,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:14,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:14,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:03:14,641 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:03:14,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:03:14,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:14,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:14,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:03:14,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:14,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:14,643 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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abb22874cc515e6597c493938d8a3907b8ef4cc1e14b264963b72f5eff3fe5c3 [2023-11-26 12:03:14,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:15,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:15,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:15,028 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:15,029 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:15,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2023-11-26 12:03:18,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:18,583 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:18,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2023-11-26 12:03:18,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/data/0205c8eb1/940378461b2a42b393faa4cb24c954ff/FLAG55c53b05b [2023-11-26 12:03:18,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/data/0205c8eb1/940378461b2a42b393faa4cb24c954ff [2023-11-26 12:03:18,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:18,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:18,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:18,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:18,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:18,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:18,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295cdf68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18, skipping insertion in model container [2023-11-26 12:03:18,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:18,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:18,833 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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2023-11-26 12:03:18,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:18,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:18,920 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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2023-11-26 12:03:18,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:18,977 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:18,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18 WrapperNode [2023-11-26 12:03:18,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:18,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:18,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:18,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:18,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,042 INFO L138 Inliner]: procedures = 29, calls = 110, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 367 [2023-11-26 12:03:19,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:19,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:19,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:19,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:19,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,117 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2023-11-26 12:03:19,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:19,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:19,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:19,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:19,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (1/1) ... [2023-11-26 12:03:19,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:19,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:19,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:19,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 12:03:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 12:03:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:03:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:03:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 12:03:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 12:03:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:03:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:03:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 12:03:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 12:03:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:03:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:03:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:03:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:03:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:19,380 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:19,383 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:20,001 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:20,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:03:20,061 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:03:20,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:20 BoogieIcfgContainer [2023-11-26 12:03:20,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:03:20,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:03:20,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:03:20,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:03:20,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:03:18" (1/3) ... [2023-11-26 12:03:20,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c0fedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:20, skipping insertion in model container [2023-11-26 12:03:20,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:18" (2/3) ... [2023-11-26 12:03:20,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c0fedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:20, skipping insertion in model container [2023-11-26 12:03:20,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:20" (3/3) ... [2023-11-26 12:03:20,074 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-21.i [2023-11-26 12:03:20,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:03:20,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:03:20,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:03:20,160 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;@235e36b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:03:20,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:03:20,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-26 12:03:20,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:20,179 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:20,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:20,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:20,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1290283932, now seen corresponding path program 1 times [2023-11-26 12:03:20,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:20,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454640091] [2023-11-26 12:03:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:20,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:20,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:20,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454640091] [2023-11-26 12:03:20,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 12:03:20,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142635983] [2023-11-26 12:03:20,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:20,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:20,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:20,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:20,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:03:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:20,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:03:20,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-26 12:03:20,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:20,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142635983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:20,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:20,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:03:20,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583131093] [2023-11-26 12:03:20,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:20,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:03:20,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:20,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:03:20,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:03:20,739 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:03:20,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:20,816 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-26 12:03:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:03:20,819 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-11-26 12:03:20,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:20,830 INFO L225 Difference]: With dead ends: 175 [2023-11-26 12:03:20,830 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 12:03:20,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:03:20,840 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:20,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:20,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 12:03:20,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-26 12:03:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-11-26 12:03:20,910 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-11-26 12:03:20,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:20,911 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-11-26 12:03:20,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:03:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-11-26 12:03:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-26 12:03:20,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:20,920 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:20,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:21,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 12:03:21,129 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:21,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash -186348586, now seen corresponding path program 1 times [2023-11-26 12:03:21,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:21,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702575437] [2023-11-26 12:03:21,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:21,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:21,241 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:21,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [918090327] [2023-11-26 12:03:21,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:21,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:21,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:21,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:21,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:03:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:21,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-26 12:03:21,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:22,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 12:03:22,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 12:03:22,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:03:23,130 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 12:03:23,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:23,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702575437] [2023-11-26 12:03:23,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:23,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918090327] [2023-11-26 12:03:23,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918090327] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:03:23,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:03:23,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-11-26 12:03:23,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086940823] [2023-11-26 12:03:23,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 12:03:23,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-26 12:03:23,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:23,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-26 12:03:23,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-11-26 12:03:23,136 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 17 states have internal predecessors, (86), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-26 12:03:24,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:24,127 INFO L93 Difference]: Finished difference Result 287 states and 427 transitions. [2023-11-26 12:03:24,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-26 12:03:24,128 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 17 states have internal predecessors, (86), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) Word has length 75 [2023-11-26 12:03:24,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:24,132 INFO L225 Difference]: With dead ends: 287 [2023-11-26 12:03:24,132 INFO L226 Difference]: Without dead ends: 201 [2023-11-26 12:03:24,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2023-11-26 12:03:24,135 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 416 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:24,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 1064 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 12:03:24,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-26 12:03:24,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 100. [2023-11-26 12:03:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 91 states have internal predecessors, (136), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 150 transitions. [2023-11-26 12:03:24,156 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 150 transitions. Word has length 75 [2023-11-26 12:03:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:24,157 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 150 transitions. [2023-11-26 12:03:24,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 17 states have internal predecessors, (86), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-26 12:03:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 150 transitions. [2023-11-26 12:03:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-26 12:03:24,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:24,159 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:24,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:24,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-26 12:03:24,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:24,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1731781753, now seen corresponding path program 1 times [2023-11-26 12:03:24,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:24,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894148129] [2023-11-26 12:03:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:24,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:24,441 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:24,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481139789] [2023-11-26 12:03:24,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:24,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:24,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:24,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:24,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:03:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:24,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:03:24,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:24,693 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:24,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:24,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894148129] [2023-11-26 12:03:24,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:24,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481139789] [2023-11-26 12:03:24,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481139789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:24,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:24,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:03:24,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124004969] [2023-11-26 12:03:24,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:24,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:24,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:24,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:24,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:24,698 INFO L87 Difference]: Start difference. First operand 100 states and 150 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:24,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:24,739 INFO L93 Difference]: Finished difference Result 243 states and 365 transitions. [2023-11-26 12:03:24,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:24,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 76 [2023-11-26 12:03:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:24,747 INFO L225 Difference]: With dead ends: 243 [2023-11-26 12:03:24,747 INFO L226 Difference]: Without dead ends: 144 [2023-11-26 12:03:24,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:24,755 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:24,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 262 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:24,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-26 12:03:24,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 110. [2023-11-26 12:03:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 101 states have (on average 1.495049504950495) internal successors, (151), 101 states have internal predecessors, (151), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 165 transitions. [2023-11-26 12:03:24,775 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 165 transitions. Word has length 76 [2023-11-26 12:03:24,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:24,776 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 165 transitions. [2023-11-26 12:03:24,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2023-11-26 12:03:24,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-26 12:03:24,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:24,778 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:24,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:24,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:24,985 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:24,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:24,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1171200636, now seen corresponding path program 1 times [2023-11-26 12:03:24,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:24,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053274134] [2023-11-26 12:03:24,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:24,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:25,024 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:25,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894796164] [2023-11-26 12:03:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:25,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:25,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:25,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:25,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:03:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:25,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:03:25,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:25,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:25,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:25,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053274134] [2023-11-26 12:03:25,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:25,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894796164] [2023-11-26 12:03:25,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894796164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:25,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:25,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:03:25,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436925239] [2023-11-26 12:03:25,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:25,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:25,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:25,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:25,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:25,233 INFO L87 Difference]: Start difference. First operand 110 states and 165 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:25,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:25,277 INFO L93 Difference]: Finished difference Result 242 states and 361 transitions. [2023-11-26 12:03:25,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:25,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 77 [2023-11-26 12:03:25,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:25,280 INFO L225 Difference]: With dead ends: 242 [2023-11-26 12:03:25,280 INFO L226 Difference]: Without dead ends: 133 [2023-11-26 12:03:25,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:25,283 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 44 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:25,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 239 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:25,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-26 12:03:25,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 110. [2023-11-26 12:03:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 101 states have (on average 1.4752475247524752) internal successors, (149), 101 states have internal predecessors, (149), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 163 transitions. [2023-11-26 12:03:25,312 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 163 transitions. Word has length 77 [2023-11-26 12:03:25,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:25,313 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 163 transitions. [2023-11-26 12:03:25,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-11-26 12:03:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-26 12:03:25,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:25,319 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:25,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:25,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:25,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:25,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:25,529 INFO L85 PathProgramCache]: Analyzing trace with hash -602377445, now seen corresponding path program 1 times [2023-11-26 12:03:25,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:25,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077654179] [2023-11-26 12:03:25,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:25,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:25,603 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:25,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869865402] [2023-11-26 12:03:25,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:25,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:25,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:25,614 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:25,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:03:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:25,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:03:25,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:25,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:03:25,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 12:03:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:25,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:25,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:25,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077654179] [2023-11-26 12:03:25,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:25,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869865402] [2023-11-26 12:03:25,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869865402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:25,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:25,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:03:25,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299401510] [2023-11-26 12:03:25,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:25,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:25,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:25,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:25,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:25,896 INFO L87 Difference]: Start difference. First operand 110 states and 163 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:25,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:25,923 INFO L93 Difference]: Finished difference Result 219 states and 325 transitions. [2023-11-26 12:03:25,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:25,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-11-26 12:03:25,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:25,927 INFO L225 Difference]: With dead ends: 219 [2023-11-26 12:03:25,927 INFO L226 Difference]: Without dead ends: 110 [2023-11-26 12:03:25,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:25,929 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:25,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 245 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:25,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-26 12:03:25,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-11-26 12:03:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 101 states have internal predecessors, (147), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2023-11-26 12:03:25,955 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 78 [2023-11-26 12:03:25,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:25,956 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2023-11-26 12:03:25,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2023-11-26 12:03:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-26 12:03:25,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:25,964 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:25,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:26,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:26,172 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:26,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:26,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1882241123, now seen corresponding path program 1 times [2023-11-26 12:03:26,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:26,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690210865] [2023-11-26 12:03:26,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:26,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:26,229 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:26,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483852096] [2023-11-26 12:03:26,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:26,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:26,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:26,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:26,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:03:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:26,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-26 12:03:26,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:27,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 12:03:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 12:03:27,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 12:03:27,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 12:03:27,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:03:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 12:03:28,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:28,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690210865] [2023-11-26 12:03:28,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:28,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483852096] [2023-11-26 12:03:28,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483852096] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:03:28,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:03:28,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2023-11-26 12:03:28,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382585695] [2023-11-26 12:03:28,439 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 12:03:28,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-26 12:03:28,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:28,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-26 12:03:28,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2023-11-26 12:03:28,441 INFO L87 Difference]: Start difference. First operand 110 states and 161 transitions. Second operand has 19 states, 17 states have (on average 5.411764705882353) internal successors, (92), 19 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-26 12:03:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:29,057 INFO L93 Difference]: Finished difference Result 280 states and 409 transitions. [2023-11-26 12:03:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 12:03:29,058 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 5.411764705882353) internal successors, (92), 19 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) Word has length 78 [2023-11-26 12:03:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:29,060 INFO L225 Difference]: With dead ends: 280 [2023-11-26 12:03:29,060 INFO L226 Difference]: Without dead ends: 171 [2023-11-26 12:03:29,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-11-26 12:03:29,062 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 712 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:29,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 770 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:03:29,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-26 12:03:29,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 102. [2023-11-26 12:03:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 93 states have (on average 1.4516129032258065) internal successors, (135), 93 states have internal predecessors, (135), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 149 transitions. [2023-11-26 12:03:29,081 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 149 transitions. Word has length 78 [2023-11-26 12:03:29,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:29,083 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 149 transitions. [2023-11-26 12:03:29,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 5.411764705882353) internal successors, (92), 19 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-26 12:03:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2023-11-26 12:03:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-26 12:03:29,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:29,085 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:29,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:29,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:29,291 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:29,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:29,292 INFO L85 PathProgramCache]: Analyzing trace with hash -273789707, now seen corresponding path program 1 times [2023-11-26 12:03:29,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:29,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57717977] [2023-11-26 12:03:29,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:29,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:29,339 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:29,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738947291] [2023-11-26 12:03:29,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:29,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:29,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:29,342 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:29,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 12:03:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:29,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:03:29,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:29,554 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:29,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:29,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57717977] [2023-11-26 12:03:29,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:29,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738947291] [2023-11-26 12:03:29,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738947291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:29,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:29,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:03:29,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736177067] [2023-11-26 12:03:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:29,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:03:29,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:29,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:03:29,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:03:29,557 INFO L87 Difference]: Start difference. First operand 102 states and 149 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:29,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:29,616 INFO L93 Difference]: Finished difference Result 222 states and 325 transitions. [2023-11-26 12:03:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:03:29,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-11-26 12:03:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:29,618 INFO L225 Difference]: With dead ends: 222 [2023-11-26 12:03:29,618 INFO L226 Difference]: Without dead ends: 121 [2023-11-26 12:03:29,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:03:29,620 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 61 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:29,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 508 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-26 12:03:29,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 103. [2023-11-26 12:03:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 94 states have (on average 1.446808510638298) internal successors, (136), 94 states have internal predecessors, (136), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2023-11-26 12:03:29,628 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 78 [2023-11-26 12:03:29,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:29,629 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2023-11-26 12:03:29,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2023-11-26 12:03:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 12:03:29,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:29,630 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:29,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:29,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 12:03:29,837 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:29,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:29,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1339576819, now seen corresponding path program 1 times [2023-11-26 12:03:29,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:29,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682054566] [2023-11-26 12:03:29,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:29,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:29,871 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:29,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660886439] [2023-11-26 12:03:29,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:29,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:29,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:29,893 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:29,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 12:03:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:30,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-26 12:03:30,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:30,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-26 12:03:30,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 12:03:30,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2023-11-26 12:03:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 12:03:30,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 33 [2023-11-26 12:03:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 12:03:30,992 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:03:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:31,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:31,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682054566] [2023-11-26 12:03:31,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:31,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660886439] [2023-11-26 12:03:31,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660886439] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:03:31,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:03:31,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 15 [2023-11-26 12:03:31,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572944987] [2023-11-26 12:03:31,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:31,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:03:31,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:31,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:03:31,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-11-26 12:03:31,098 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:31,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:31,318 INFO L93 Difference]: Finished difference Result 249 states and 358 transitions. [2023-11-26 12:03:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:03:31,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2023-11-26 12:03:31,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:31,320 INFO L225 Difference]: With dead ends: 249 [2023-11-26 12:03:31,320 INFO L226 Difference]: Without dead ends: 147 [2023-11-26 12:03:31,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-11-26 12:03:31,321 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 114 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:31,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 532 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:03:31,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-26 12:03:31,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 122. [2023-11-26 12:03:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 113 states have (on average 1.415929203539823) internal successors, (160), 113 states have internal predecessors, (160), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2023-11-26 12:03:31,331 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 79 [2023-11-26 12:03:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:31,331 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2023-11-26 12:03:31,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2023-11-26 12:03:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-26 12:03:31,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:31,333 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:31,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:31,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-26 12:03:31,540 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:31,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:31,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1732721936, now seen corresponding path program 1 times [2023-11-26 12:03:31,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:31,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165529793] [2023-11-26 12:03:31,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:31,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:31,580 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:31,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645881412] [2023-11-26 12:03:31,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:31,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:31,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:31,582 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:31,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 12:03:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:31,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:03:31,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:31,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:31,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:31,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165529793] [2023-11-26 12:03:31,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:31,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645881412] [2023-11-26 12:03:31,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645881412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:31,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:31,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:03:31,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720940698] [2023-11-26 12:03:31,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:31,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:31,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:31,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:31,805 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:31,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:31,844 INFO L93 Difference]: Finished difference Result 295 states and 419 transitions. [2023-11-26 12:03:31,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:31,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2023-11-26 12:03:31,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:31,847 INFO L225 Difference]: With dead ends: 295 [2023-11-26 12:03:31,847 INFO L226 Difference]: Without dead ends: 174 [2023-11-26 12:03:31,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:31,850 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 46 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:31,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 237 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:31,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-26 12:03:31,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 139. [2023-11-26 12:03:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 130 states have internal predecessors, (183), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 197 transitions. [2023-11-26 12:03:31,860 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 197 transitions. Word has length 80 [2023-11-26 12:03:31,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:31,860 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 197 transitions. [2023-11-26 12:03:31,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 197 transitions. [2023-11-26 12:03:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 12:03:31,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:31,864 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:31,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:32,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-26 12:03:32,071 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:32,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:32,071 INFO L85 PathProgramCache]: Analyzing trace with hash 459376482, now seen corresponding path program 1 times [2023-11-26 12:03:32,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:32,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143931247] [2023-11-26 12:03:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:32,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:32,112 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:32,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1108069508] [2023-11-26 12:03:32,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:32,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:32,114 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:32,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 12:03:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 12:03:32,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:32,350 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:32,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143931247] [2023-11-26 12:03:32,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108069508] [2023-11-26 12:03:32,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108069508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:32,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:32,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:03:32,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220354235] [2023-11-26 12:03:32,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:32,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:03:32,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:32,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:03:32,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:03:32,354 INFO L87 Difference]: Start difference. First operand 139 states and 197 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:32,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:32,392 INFO L93 Difference]: Finished difference Result 145 states and 203 transitions. [2023-11-26 12:03:32,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:03:32,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-11-26 12:03:32,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:32,394 INFO L225 Difference]: With dead ends: 145 [2023-11-26 12:03:32,394 INFO L226 Difference]: Without dead ends: 143 [2023-11-26 12:03:32,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:03:32,395 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 10 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:32,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 475 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-26 12:03:32,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 142. [2023-11-26 12:03:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 133 states have (on average 1.3984962406015038) internal successors, (186), 133 states have internal predecessors, (186), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 200 transitions. [2023-11-26 12:03:32,408 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 200 transitions. Word has length 81 [2023-11-26 12:03:32,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:32,409 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 200 transitions. [2023-11-26 12:03:32,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2023-11-26 12:03:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 12:03:32,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:32,411 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:32,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:32,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 12:03:32,618 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:32,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:32,618 INFO L85 PathProgramCache]: Analyzing trace with hash -271067465, now seen corresponding path program 1 times [2023-11-26 12:03:32,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:32,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286585127] [2023-11-26 12:03:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:32,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:32,694 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:32,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250681155] [2023-11-26 12:03:32,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:32,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:32,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:32,698 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:32,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-26 12:03:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:03:32,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:32,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:32,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:32,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286585127] [2023-11-26 12:03:32,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:32,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250681155] [2023-11-26 12:03:32,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250681155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:32,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:32,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:03:32,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891673619] [2023-11-26 12:03:32,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:32,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:32,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:32,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:32,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:32,920 INFO L87 Difference]: Start difference. First operand 142 states and 200 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:32,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:32,944 INFO L93 Difference]: Finished difference Result 286 states and 405 transitions. [2023-11-26 12:03:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:32,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-11-26 12:03:32,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:32,948 INFO L225 Difference]: With dead ends: 286 [2023-11-26 12:03:32,948 INFO L226 Difference]: Without dead ends: 145 [2023-11-26 12:03:32,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:32,949 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:32,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:32,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-26 12:03:32,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-11-26 12:03:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 136 states have (on average 1.3897058823529411) internal successors, (189), 136 states have internal predecessors, (189), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:03:32,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 203 transitions. [2023-11-26 12:03:32,963 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 203 transitions. Word has length 81 [2023-11-26 12:03:32,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:32,964 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 203 transitions. [2023-11-26 12:03:32,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:32,964 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 203 transitions. [2023-11-26 12:03:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 12:03:32,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:32,966 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:32,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:33,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-26 12:03:33,172 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:33,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:33,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1282184715, now seen corresponding path program 1 times [2023-11-26 12:03:33,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:33,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217779640] [2023-11-26 12:03:33,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:33,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:33,207 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:33,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76172543] [2023-11-26 12:03:33,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:33,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:33,209 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:33,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-26 12:03:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:33,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-26 12:03:33,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:33,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:33,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:33,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:34,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:34,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:34,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:34,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 12:03:34,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 12:03:35,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:03:35,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2023-11-26 12:03:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-26 12:03:35,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:03:35,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:35,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217779640] [2023-11-26 12:03:35,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:35,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76172543] [2023-11-26 12:03:35,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76172543] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:03:35,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:03:35,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2023-11-26 12:03:35,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480452941] [2023-11-26 12:03:35,722 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-26 12:03:35,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-26 12:03:35,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:35,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 12:03:35,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2023-11-26 12:03:35,725 INFO L87 Difference]: Start difference. First operand 145 states and 203 transitions. Second operand has 16 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-26 12:03:36,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:36,755 INFO L93 Difference]: Finished difference Result 424 states and 595 transitions. [2023-11-26 12:03:36,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-26 12:03:36,763 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 81 [2023-11-26 12:03:36,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:36,766 INFO L225 Difference]: With dead ends: 424 [2023-11-26 12:03:36,767 INFO L226 Difference]: Without dead ends: 280 [2023-11-26 12:03:36,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2023-11-26 12:03:36,769 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 349 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:36,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1046 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 12:03:36,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-11-26 12:03:36,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 256. [2023-11-26 12:03:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 239 states have (on average 1.3849372384937237) internal successors, (331), 239 states have internal predecessors, (331), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 12:03:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 359 transitions. [2023-11-26 12:03:36,788 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 359 transitions. Word has length 81 [2023-11-26 12:03:36,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:36,789 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 359 transitions. [2023-11-26 12:03:36,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-26 12:03:36,789 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 359 transitions. [2023-11-26 12:03:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 12:03:36,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:36,791 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:36,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:36,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:36,998 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:36,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:36,999 INFO L85 PathProgramCache]: Analyzing trace with hash -652450518, now seen corresponding path program 1 times [2023-11-26 12:03:36,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:37,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030969350] [2023-11-26 12:03:37,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:37,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:37,031 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:37,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405262487] [2023-11-26 12:03:37,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:37,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:37,033 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:37,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-26 12:03:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:37,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:03:37,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:37,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-26 12:03:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:37,335 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:37,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:37,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030969350] [2023-11-26 12:03:37,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:37,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405262487] [2023-11-26 12:03:37,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405262487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:37,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:37,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:03:37,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485583819] [2023-11-26 12:03:37,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:37,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:03:37,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:37,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:03:37,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:03:37,341 INFO L87 Difference]: Start difference. First operand 256 states and 359 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:37,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:37,572 INFO L93 Difference]: Finished difference Result 538 states and 748 transitions. [2023-11-26 12:03:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:03:37,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-11-26 12:03:37,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:37,575 INFO L225 Difference]: With dead ends: 538 [2023-11-26 12:03:37,576 INFO L226 Difference]: Without dead ends: 283 [2023-11-26 12:03:37,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:03:37,577 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 178 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:37,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 312 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:03:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-26 12:03:37,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 229. [2023-11-26 12:03:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 212 states have (on average 1.3773584905660377) internal successors, (292), 212 states have internal predecessors, (292), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 12:03:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 320 transitions. [2023-11-26 12:03:37,594 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 320 transitions. Word has length 81 [2023-11-26 12:03:37,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:37,594 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 320 transitions. [2023-11-26 12:03:37,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 320 transitions. [2023-11-26 12:03:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-26 12:03:37,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:37,596 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:37,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-26 12:03:37,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 12:03:37,803 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:37,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:37,803 INFO L85 PathProgramCache]: Analyzing trace with hash -356543312, now seen corresponding path program 1 times [2023-11-26 12:03:37,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:37,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111498836] [2023-11-26 12:03:37,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:37,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:37,830 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:37,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1129609451] [2023-11-26 12:03:37,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:37,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:37,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:37,832 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:37,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-26 12:03:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:38,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-26 12:03:38,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:38,091 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-26 12:03:38,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2023-11-26 12:03:38,198 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-26 12:03:38,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 29 [2023-11-26 12:03:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:03:38,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:38,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:38,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111498836] [2023-11-26 12:03:38,244 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:03:38,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129609451] [2023-11-26 12:03:38,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129609451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:38,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:38,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 12:03:38,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222644920] [2023-11-26 12:03:38,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:38,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:03:38,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:38,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:03:38,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:03:38,247 INFO L87 Difference]: Start difference. First operand 229 states and 320 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:39,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:39,011 INFO L93 Difference]: Finished difference Result 695 states and 951 transitions. [2023-11-26 12:03:39,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-26 12:03:39,012 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 85 [2023-11-26 12:03:39,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:39,015 INFO L225 Difference]: With dead ends: 695 [2023-11-26 12:03:39,016 INFO L226 Difference]: Without dead ends: 467 [2023-11-26 12:03:39,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=654, Unknown=0, NotChecked=0, Total=870 [2023-11-26 12:03:39,017 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 250 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:39,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 982 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:03:39,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-11-26 12:03:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 289. [2023-11-26 12:03:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 272 states have (on average 1.3823529411764706) internal successors, (376), 272 states have internal predecessors, (376), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 12:03:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 404 transitions. [2023-11-26 12:03:39,038 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 404 transitions. Word has length 85 [2023-11-26 12:03:39,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:39,038 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 404 transitions. [2023-11-26 12:03:39,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:03:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 404 transitions. [2023-11-26 12:03:39,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-26 12:03:39,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:39,040 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:39,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:39,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-26 12:03:39,247 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:39,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:39,247 INFO L85 PathProgramCache]: Analyzing trace with hash 249124114, now seen corresponding path program 1 times [2023-11-26 12:03:39,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:39,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402147461] [2023-11-26 12:03:39,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:39,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:39,269 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:03:39,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825606745] [2023-11-26 12:03:39,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:39,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:39,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:39,270 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:39,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-26 12:03:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:39,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:03:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:03:39,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:03:39,701 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:03:39,702 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:03:39,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:39,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-26 12:03:39,915 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:39,918 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:03:39,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 12:03:39,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 12:03:39,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-26 12:03:40,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-26 12:03:40,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-26 12:03:40,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 12:03:40,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-26 12:03:40,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-26 12:03:40,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-26 12:03:40,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-26 12:03:40,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 12:03:40,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 12:03:40,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 12:03:40,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 12:03:40,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 12:03:40,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-26 12:03:40,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-26 12:03:40,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 12:03:40,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 12:03:40,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 12:03:40,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-26 12:03:40,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-26 12:03:40,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 12:03:40,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 12:03:40,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-26 12:03:40,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-26 12:03:40,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-26 12:03:40,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-26 12:03:40,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 12:03:40,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-26 12:03:40,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 12:03:40,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-26 12:03:40,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-26 12:03:40,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-26 12:03:40,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-26 12:03:40,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 12:03:40,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-26 12:03:40,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 12:03:40,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-26 12:03:40,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-26 12:03:40,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 12:03:40,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-26 12:03:40,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-26 12:03:40,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 12:03:40,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-26 12:03:40,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-26 12:03:40,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 12:03:40,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 12:03:40,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:03:40,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:03:40,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-26 12:03:40,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-26 12:03:40,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 12:03:40,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-26 12:03:40,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-26 12:03:40,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 12:03:40,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:03:40,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated [2023-11-26 12:03:40,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-26 12:03:40,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-26 12:03:40,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-26 12:03:40,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-26 12:03:40,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:03:40,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:03:40,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 12:03:40,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 12:03:40,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 12:03:40,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:03:40,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:03:40,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-26 12:03:40,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-26 12:03:40,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:03:40,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 12:03:40,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 12:03:40,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:03:40,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 12:03:40,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-26 12:03:40,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:03:40,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 12:03:40,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-26 12:03:40,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 12:03:40,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:03:40,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-26 12:03:40,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-26 12:03:40,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:03:40,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-26 12:03:40,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-26 12:03:40,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:03:40,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:03:40,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-26 12:03:40,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-26 12:03:40,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:03:40,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 12:03:40,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 12:03:40,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-26 12:03:40,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-26 12:03:40,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 12:03:40,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:03:40,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-26 12:03:40,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-26 12:03:40,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-26 12:03:40,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 12:03:40,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short107 could not be translated [2023-11-26 12:03:40,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-26 12:03:40,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:03:40,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:03:40,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-26 12:03:40,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 12:03:40,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 12:03:40,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:03:40 BoogieIcfgContainer [2023-11-26 12:03:40,065 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:03:40,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:03:40,066 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:03:40,066 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:03:40,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:20" (3/4) ... [2023-11-26 12:03:40,068 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:03:40,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:03:40,070 INFO L158 Benchmark]: Toolchain (without parser) took 21456.59ms. Allocated memory was 130.0MB in the beginning and 276.8MB in the end (delta: 146.8MB). Free memory was 84.7MB in the beginning and 232.1MB in the end (delta: -147.4MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:40,071 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:40,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.92ms. Allocated memory is still 130.0MB. Free memory was 84.3MB in the beginning and 70.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:03:40,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.01ms. Allocated memory is still 130.0MB. Free memory was 70.3MB in the beginning and 66.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:40,072 INFO L158 Benchmark]: Boogie Preprocessor took 130.12ms. Allocated memory is still 130.0MB. Free memory was 66.9MB in the beginning and 63.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:40,072 INFO L158 Benchmark]: RCFGBuilder took 887.94ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 62.7MB in the beginning and 146.9MB in the end (delta: -84.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-26 12:03:40,073 INFO L158 Benchmark]: TraceAbstraction took 19999.08ms. Allocated memory was 190.8MB in the beginning and 276.8MB in the end (delta: 86.0MB). Free memory was 146.9MB in the beginning and 232.1MB in the end (delta: -85.2MB). Peak memory consumption was 149.6MB. Max. memory is 16.1GB. [2023-11-26 12:03:40,073 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 276.8MB. Free memory is still 232.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:40,079 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.92ms. Allocated memory is still 130.0MB. Free memory was 84.3MB in the beginning and 70.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.01ms. Allocated memory is still 130.0MB. Free memory was 70.3MB in the beginning and 66.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.12ms. Allocated memory is still 130.0MB. Free memory was 66.9MB in the beginning and 63.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 887.94ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 62.7MB in the beginning and 146.9MB in the end (delta: -84.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19999.08ms. Allocated memory was 190.8MB in the beginning and 276.8MB in the end (delta: 86.0MB). Free memory was 146.9MB in the beginning and 232.1MB in the end (delta: -85.2MB). Peak memory consumption was 149.6MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 276.8MB. Free memory is still 232.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 96. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L45] unsigned short int* WrapperStruct0_var_1_1_Pointer = &(WrapperStruct0.var_1_1); [L46] unsigned char* WrapperStruct0_var_1_7_Pointer = &(WrapperStruct0.var_1_7); [L47] double* WrapperStruct0_var_1_8_Pointer = &(WrapperStruct0.var_1_8); [L48] double* WrapperStruct0_var_1_9_Pointer = &(WrapperStruct0.var_1_9); [L49] double* WrapperStruct0_var_1_10_Pointer = &(WrapperStruct0.var_1_10); [L50] unsigned char* WrapperStruct0_var_1_12_Pointer = &(WrapperStruct0.var_1_12); [L51] signed short int* WrapperStruct0_var_1_13_Pointer = &(WrapperStruct0.var_1_13); [L52] float* WrapperStruct0_var_1_14_Pointer = &(WrapperStruct0.var_1_14); [L53] float* WrapperStruct0_var_1_15_Pointer = &(WrapperStruct0.var_1_15); [L54] unsigned char last_1_WrapperStruct0_var_1_7 = 0; [L55] signed short int last_1_WrapperStruct0_var_1_13 = 256; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L99] EXPR WrapperStruct0.var_1_7 [L99] last_1_WrapperStruct0_var_1_7 = WrapperStruct0.var_1_7 [L100] EXPR WrapperStruct0.var_1_13 [L100] last_1_WrapperStruct0_var_1_13 = WrapperStruct0.var_1_13 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L84] WrapperStruct0.var_1_8 = __VERIFIER_nondet_double() [L85] EXPR WrapperStruct0.var_1_8 [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F [L85] EXPR WrapperStruct0.var_1_8 [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] CALL assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] RET assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L86] WrapperStruct0.var_1_9 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct0.var_1_9 [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F [L87] EXPR WrapperStruct0.var_1_9 [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR (WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR (WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] CALL assume_abort_if_not((WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] RET assume_abort_if_not((WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L88] WrapperStruct0.var_1_10 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct0.var_1_10 [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F [L89] EXPR WrapperStruct0.var_1_10 [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR (WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR (WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] CALL assume_abort_if_not((WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] RET assume_abort_if_not((WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L90] WrapperStruct0.var_1_12 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_12 >= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L91] RET assume_abort_if_not(WrapperStruct0.var_1_12 >= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_12 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] RET assume_abort_if_not(WrapperStruct0.var_1_12 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L93] WrapperStruct0.var_1_14 = __VERIFIER_nondet_float() [L94] EXPR WrapperStruct0.var_1_14 [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F [L94] EXPR WrapperStruct0.var_1_14 [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR (WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR (WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] CALL assume_abort_if_not((WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] RET assume_abort_if_not((WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L95] WrapperStruct0.var_1_15 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct0.var_1_15 [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F [L96] EXPR WrapperStruct0.var_1_15 [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR (WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR (WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] CALL assume_abort_if_not((WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] RET assume_abort_if_not((WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L111] RET updateVariables() [L112] CALL step() [L59] COND TRUE (last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L60] COND FALSE !(last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L68] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L68] COND TRUE (*(WrapperStruct0_var_1_12_Pointer)) [L69] EXPR \read(*WrapperStruct0_var_1_14_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_10_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L69] COND FALSE !(((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) [L72] EXPR \read(*WrapperStruct0_var_1_1_Pointer) [L72] (*(WrapperStruct0_var_1_13_Pointer)) = (*(WrapperStruct0_var_1_1_Pointer)) [L75] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L75] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L75] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L75] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] EXPR \read(*WrapperStruct0_var_1_10_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] COND TRUE (((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer)) [L76] last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L76] last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L76] COND FALSE !(last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR ((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1 [L103] EXPR (last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) [L103] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L103] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L103] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L103] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR \read(*WrapperStruct0_var_1_10_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))) [L103] EXPR \read(*WrapperStruct0_var_1_7_Pointer) [L103] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L103] EXPR ((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103-L104] return ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L19] reach_error() VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2238 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2233 mSDsluCounter, 7041 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5320 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2476 IncrementalHoareTripleChecker+Invalid, 2571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 1721 mSDtfsCounter, 2476 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1395 GetRequests, 1258 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=14, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 562 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1265 NumberOfCodeBlocks, 1265 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1320 ConstructedInterpolants, 26 QuantifiedInterpolants, 8611 SizeOfPredicates, 93 NumberOfNonLiveVariables, 4351 ConjunctsInSsa, 194 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1299/1428 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 12:03:40,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/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 abb22874cc515e6597c493938d8a3907b8ef4cc1e14b264963b72f5eff3fe5c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:42,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:42,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:03:42,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:42,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:42,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:42,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:42,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:42,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:42,978 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:42,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:42,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:42,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:42,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:42,982 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:42,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:42,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:03:42,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:03:42,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:03:42,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:42,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:03:42,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:42,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:03:42,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:03:42,988 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:03:42,989 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:03:42,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:03:42,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:03:42,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:42,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:42,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:42,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:42,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:42,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:42,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:42,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:42,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:03:42,995 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:03:42,995 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:03:42,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:42,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:42,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:03:42,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:42,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:42,998 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:03:42,998 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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abb22874cc515e6597c493938d8a3907b8ef4cc1e14b264963b72f5eff3fe5c3 [2023-11-26 12:03:43,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:43,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:43,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:43,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:43,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:43,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2023-11-26 12:03:46,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:46,904 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:46,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2023-11-26 12:03:46,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/data/2b16b2a96/30f9bfeee1bf4394906791848c397406/FLAG23cdf2732 [2023-11-26 12:03:46,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/data/2b16b2a96/30f9bfeee1bf4394906791848c397406 [2023-11-26 12:03:46,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:46,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:46,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:46,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:46,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:46,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:46" (1/1) ... [2023-11-26 12:03:46,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d8b268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:46, skipping insertion in model container [2023-11-26 12:03:46,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:46" (1/1) ... [2023-11-26 12:03:46,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:47,165 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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2023-11-26 12:03:47,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:47,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:47,344 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_d25568bc-0f3d-4b8e-9f01-7a94acc35252/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2023-11-26 12:03:47,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:47,447 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:47,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47 WrapperNode [2023-11-26 12:03:47,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:47,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:47,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:47,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:47,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,547 INFO L138 Inliner]: procedures = 36, calls = 110, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 367 [2023-11-26 12:03:47,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:47,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:47,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:47,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:47,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,643 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2023-11-26 12:03:47,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:47,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:47,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:47,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:47,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (1/1) ... [2023-11-26 12:03:47,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:47,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:47,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:47,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-26 12:03:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-26 12:03:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-26 12:03:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-26 12:03:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 12:03:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 12:03:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-26 12:03:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-26 12:03:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:03:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 12:03:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-26 12:03:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-26 12:03:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-26 12:03:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-26 12:03:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-26 12:03:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-26 12:03:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-26 12:03:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-26 12:03:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-26 12:03:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-26 12:03:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:03:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:03:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 12:03:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 12:03:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-26 12:03:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-26 12:03:48,071 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:48,075 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:04:00,876 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:04:00,926 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:04:00,926 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:04:00,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:00 BoogieIcfgContainer [2023-11-26 12:04:00,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:04:00,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:04:00,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:04:00,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:04:00,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:03:46" (1/3) ... [2023-11-26 12:04:00,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6edddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:00, skipping insertion in model container [2023-11-26 12:04:00,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:47" (2/3) ... [2023-11-26 12:04:00,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6edddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:00, skipping insertion in model container [2023-11-26 12:04:00,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:00" (3/3) ... [2023-11-26 12:04:00,937 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-21.i [2023-11-26 12:04:00,956 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:04:00,956 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:04:01,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:04:01,028 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;@69272fbe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:04:01,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:04:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:04:01,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-26 12:04:01,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:01,051 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:01,052 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:01,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:01,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1290283932, now seen corresponding path program 1 times [2023-11-26 12:04:01,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:04:01,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456896123] [2023-11-26 12:04:01,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:01,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:04:01,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:04:01,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:04:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 12:04:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:01,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:04:01,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 12:04:01,598 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:01,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:04:01,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456896123] [2023-11-26 12:04:01,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456896123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:01,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:01,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:01,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18128280] [2023-11-26 12:04:01,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:01,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:04:01,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:04:01,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:04:01,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:04:01,640 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:04:01,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:01,698 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-26 12:04:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:04:01,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-11-26 12:04:01,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:01,709 INFO L225 Difference]: With dead ends: 175 [2023-11-26 12:04:01,710 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 12:04:01,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:04:01,717 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:01,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:04:01,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 12:04:01,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-26 12:04:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 12:04:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-11-26 12:04:01,762 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-11-26 12:04:01,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:01,763 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-11-26 12:04:01,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:04:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-11-26 12:04:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-26 12:04:01,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:01,768 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:01,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 12:04:01,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:04:01,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:01,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:01,978 INFO L85 PathProgramCache]: Analyzing trace with hash -186348586, now seen corresponding path program 1 times [2023-11-26 12:04:01,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:04:01,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624843133] [2023-11-26 12:04:01,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:01,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:04:01,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:04:01,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:04:02,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25568bc-0f3d-4b8e-9f01-7a94acc35252/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 12:04:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:02,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:04:02,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:04:02,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-26 12:04:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 12:04:02,647 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:04:02,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:04:02,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624843133] [2023-11-26 12:04:02,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624843133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:02,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:02,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:04:02,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528001416] [2023-11-26 12:04:02,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:02,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:04:02,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:04:02,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:04:02,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:02,652 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 12:04:06,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:04:10,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:04:12,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []