./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e535e6f08a120f86bdf8d43d4c7b972f8e3678439805a248d075e9344d0f9bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:38,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:38,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:15:38,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:38,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:38,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:38,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:38,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:38,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:38,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:38,282 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:38,283 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:38,283 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:38,284 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:38,285 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:38,285 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:38,285 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:38,286 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:38,286 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:38,286 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:38,287 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:38,287 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:38,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:38,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:38,289 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:38,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:38,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:38,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:38,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:38,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:38,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:38,291 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:38,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:38,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:38,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:38,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:38,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:38,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:38,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:38,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:38,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:38,294 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:38,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:38,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:38,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:38,295 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:38,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:38,295 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e535e6f08a120f86bdf8d43d4c7b972f8e3678439805a248d075e9344d0f9bb [2023-11-23 21:15:38,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:38,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:38,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:38,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:38,573 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:38,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i [2023-11-23 21:15:41,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:41,909 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:41,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i [2023-11-23 21:15:41,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/data/04f2aa2a6/4f05724d7be242d78be25d494cf2a489/FLAGe49788486 [2023-11-23 21:15:41,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/data/04f2aa2a6/4f05724d7be242d78be25d494cf2a489 [2023-11-23 21:15:41,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:41,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:41,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:41,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:41,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:41,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:41,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ef057b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:41, skipping insertion in model container [2023-11-23 21:15:41,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:41" (1/1) ... [2023-11-23 21:15:42,023 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:42,168 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_75746b46-167d-45ea-9105-5c871fc61bfd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i[919,932] [2023-11-23 21:15:42,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:42,276 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:42,289 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_75746b46-167d-45ea-9105-5c871fc61bfd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i[919,932] [2023-11-23 21:15:42,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:42,383 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:42,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42 WrapperNode [2023-11-23 21:15:42,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:42,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:42,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:42,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:42,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,485 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2023-11-23 21:15:42,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:42,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:42,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:42,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:42,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:42,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:42,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:42,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:42,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:42,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:42,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:42,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:42,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:42,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:42,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:42,790 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:42,793 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:43,320 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:43,673 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:43,673 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:43,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:43 BoogieIcfgContainer [2023-11-23 21:15:43,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:43,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:43,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:43,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:43,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:41" (1/3) ... [2023-11-23 21:15:43,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39840110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:43, skipping insertion in model container [2023-11-23 21:15:43,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42" (2/3) ... [2023-11-23 21:15:43,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39840110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:43, skipping insertion in model container [2023-11-23 21:15:43,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:43" (3/3) ... [2023-11-23 21:15:43,687 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i [2023-11-23 21:15:43,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:43,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:43,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:43,777 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=FINITE_AUTOMATA, 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;@538df106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:43,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:43,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:15:43,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:15:43,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:43,796 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:43,796 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:43,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:43,802 INFO L85 PathProgramCache]: Analyzing trace with hash -801545389, now seen corresponding path program 1 times [2023-11-23 21:15:43,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:43,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851377402] [2023-11-23 21:15:43,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:44,046 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:44,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62344716] [2023-11-23 21:15:44,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:44,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:44,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:44,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:44,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:15:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:44,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:15:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:44,755 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:15:44,758 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:15:44,759 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:15:44,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:44,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:44,988 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:15:44,992 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:45,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:45 BoogieIcfgContainer [2023-11-23 21:15:45,183 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:45,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:45,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:45,184 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:45,184 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:43" (3/4) ... [2023-11-23 21:15:45,187 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:15:45,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:45,190 INFO L158 Benchmark]: Toolchain (without parser) took 3238.40ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 123.8MB in the beginning and 129.9MB in the end (delta: -6.1MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-23 21:15:45,190 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 83.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:45,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.36ms. Allocated memory is still 155.2MB. Free memory was 123.8MB in the beginning and 108.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:15:45,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.22ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 103.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:15:45,199 INFO L158 Benchmark]: Boogie Preprocessor took 50.84ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 101.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:45,199 INFO L158 Benchmark]: RCFGBuilder took 1137.38ms. Allocated memory is still 155.2MB. Free memory was 101.3MB in the beginning and 88.3MB in the end (delta: 13.0MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-23 21:15:45,200 INFO L158 Benchmark]: TraceAbstraction took 1505.19ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 87.3MB in the beginning and 129.9MB in the end (delta: -42.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:45,201 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 192.9MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:45,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 83.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.36ms. Allocated memory is still 155.2MB. Free memory was 123.8MB in the beginning and 108.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.22ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 103.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.84ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 101.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1137.38ms. Allocated memory is still 155.2MB. Free memory was 101.3MB in the beginning and 88.3MB in the end (delta: 13.0MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1505.19ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 87.3MB in the beginning and 129.9MB in the end (delta: -42.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 192.9MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of shiftRight at line 87, overapproximation of bitwiseOr at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someUnaryFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_3 = 1; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 0; [L26] unsigned short int var_1_6 = 25; [L27] double var_1_9 = 999.625; [L28] unsigned short int var_1_11 = 5; [L29] signed short int var_1_12 = 2; [L30] signed long int var_1_13 = -256; [L31] double var_1_14 = 127.75; [L32] double var_1_15 = 9.75; [L33] float var_1_16 = 32.8; [L34] float var_1_17 = 32.5; [L35] float var_1_18 = 1.75; [L36] float var_1_19 = 1000000000000000.4; [L37] float var_1_20 = 0.875; [L38] unsigned char var_1_21 = 0; [L39] unsigned char var_1_22 = 0; [L40] signed short int var_1_23 = 64; [L41] signed short int var_1_24 = 25; [L42] signed short int var_1_25 = 0; [L43] float var_1_26 = 128.2; [L44] signed long int var_1_28 = -100000; [L45] signed char var_1_30 = -25; [L46] signed char var_1_33 = 32; [L47] signed char var_1_34 = -4; [L48] unsigned long int var_1_35 = 1; [L49] double var_1_39 = 7.75; [L50] float var_1_41 = 255.2; [L51] unsigned char var_1_42 = 25; [L52] unsigned char var_1_43 = 64; [L53] unsigned char var_1_44 = 1; [L54] float var_1_45 = 255.5; [L55] float var_1_46 = 10.55; [L56] signed short int last_1_var_1_12 = 2; [L57] signed long int last_1_var_1_13 = -256; [L58] double last_1_var_1_14 = 127.75; [L59] unsigned char last_1_var_1_21 = 0; [L195] isInitial = 1 [L196] FCALL initially() [L197] COND TRUE 1 [L198] CALL updateLastVariables() [L185] last_1_var_1_12 = var_1_12 [L186] last_1_var_1_13 = var_1_13 [L187] last_1_var_1_14 = var_1_14 [L188] last_1_var_1_21 = var_1_21 [L198] RET updateLastVariables() [L199] CALL updateVariables() [L138] var_1_3 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L140] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L141] var_1_4 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L143] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L144] var_1_5 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L146] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L147] var_1_9 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L149] var_1_11 = __VERIFIER_nondet_ushort() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L151] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L152] var_1_15 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L154] var_1_17 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L156] var_1_18 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L158] var_1_19 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L160] var_1_20 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L162] var_1_22 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L164] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L165] var_1_24 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L167] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=0, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L168] var_1_25 = __VERIFIER_nondet_short() [L169] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L170] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=32, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L171] var_1_33 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_33 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_33 >= -126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L173] CALL assume_abort_if_not(var_1_33 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_33 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=-4, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L174] var_1_34 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_34 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_34 >= -63) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L176] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=64, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L177] var_1_43 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L179] CALL assume_abort_if_not(var_1_43 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_43 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=1, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L180] var_1_44 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L182] CALL assume_abort_if_not(var_1_44 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_44 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=1, var_1_25=256, var_1_26=641/5, var_1_28=-100000, var_1_30=-25, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=31/4, var_1_3=1, var_1_41=1276/5, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=511/2, var_1_46=211/20, var_1_4=0, var_1_5=1, var_1_6=25] [L199] RET updateVariables() [L200] CALL step() [L63] COND FALSE !(\read(last_1_var_1_21)) [L66] var_1_1 = (var_1_3 && var_1_5) [L68] COND TRUE var_1_18 > var_1_9 [L69] var_1_23 = (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))) [L73] signed long int stepLocal_0 = last_1_var_1_12; [L74] COND TRUE last_1_var_1_12 >= stepLocal_0 [L75] COND FALSE !((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) [L78] var_1_6 = var_1_11 [L83] unsigned short int stepLocal_1 = var_1_6; [L84] COND FALSE !(var_1_11 > stepLocal_1) [L87] EXPR var_1_11 >> var_1_6 [L87] COND TRUE (var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12) [L88] var_1_14 = var_1_15 [L92] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L93] unsigned short int stepLocal_3 = var_1_11; [L94] COND TRUE stepLocal_3 == var_1_6 [L95] var_1_21 = ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)) [L97] unsigned short int stepLocal_2 = var_1_6; [L98] COND FALSE !(stepLocal_2 == var_1_12) [L103] var_1_26 = var_1_18 [L104] var_1_28 = var_1_6 [L105] COND TRUE var_1_20 <= var_1_18 [L106] EXPR var_1_11 | ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) [L106] COND TRUE (var_1_11 | ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))) >= (var_1_24 + var_1_6) [L107] var_1_30 = (((((((var_1_33) < 0 ) ? -(var_1_33) : (var_1_33))) < 0 ) ? -((((var_1_33) < 0 ) ? -(var_1_33) : (var_1_33))) : ((((var_1_33) < 0 ) ? -(var_1_33) : (var_1_33))))) [L112] COND FALSE !(! var_1_22) [L119] COND TRUE 32u >= (((((var_1_6) > (var_1_11)) ? (var_1_6) : (var_1_11))) % 16u) [L120] COND FALSE !((-5 > var_1_25) && (var_1_6 <= ((((var_1_34) > (var_1_12)) ? (var_1_34) : (var_1_12))))) [L123] var_1_39 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L130] var_1_41 = ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) < (var_1_20)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (var_1_20))) [L131] EXPR var_1_11 | var_1_6 [L131] COND FALSE !(var_1_33 < (var_1_11 | var_1_6)) [L134] var_1_45 = 2.71f [L135] var_1_46 = var_1_17 [L200] RET step() [L201] CALL, EXPR property() [L191] EXPR ((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L191] EXPR var_1_11 >> var_1_6 [L191] EXPR ((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L191-L192] return (((((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))))) : (var_1_23 == ((signed short int) (last_1_var_1_13 + 1)))) ; [L201] RET, EXPR property() [L201] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=5, var_1_17=7, var_1_18=6, var_1_19=4, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=-255, var_1_24=1, var_1_25=256, var_1_26=6, var_1_28=3, var_1_30=113, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=3, var_1_3=1, var_1_41=4, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=271/100, var_1_46=7, var_1_4=0, var_1_5=1, var_1_6=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=5, var_1_17=7, var_1_18=6, var_1_19=4, var_1_1=1, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=-255, var_1_24=1, var_1_25=256, var_1_26=6, var_1_28=3, var_1_30=113, var_1_33=113, var_1_34=63, var_1_35=1, var_1_39=3, var_1_3=1, var_1_41=4, var_1_42=25, var_1_43=0, var_1_44=0, var_1_45=271/100, var_1_46=7, var_1_4=0, var_1_5=1, var_1_6=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-23 21:15:45,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e535e6f08a120f86bdf8d43d4c7b972f8e3678439805a248d075e9344d0f9bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:47,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:47,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:15:47,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:47,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:48,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:48,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:48,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:48,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:48,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:48,027 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:48,028 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:48,028 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:48,029 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:48,029 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:48,030 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:48,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:48,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:48,032 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:48,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:48,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:48,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:48,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:48,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:48,035 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:15:48,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:15:48,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:15:48,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:48,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:48,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:48,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:48,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:15:48,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:48,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:48,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:48,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:48,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:48,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:48,039 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:15:48,039 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:48,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:48,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:48,040 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:48,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:48,041 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e535e6f08a120f86bdf8d43d4c7b972f8e3678439805a248d075e9344d0f9bb [2023-11-23 21:15:48,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:48,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:48,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:48,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:48,484 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:48,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i [2023-11-23 21:15:51,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:51,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:51,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i [2023-11-23 21:15:51,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/data/9f6f6bcc6/4cfd54ab16af4a55ba7e5e8432c7f252/FLAG83a7697ee [2023-11-23 21:15:51,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/data/9f6f6bcc6/4cfd54ab16af4a55ba7e5e8432c7f252 [2023-11-23 21:15:51,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:51,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:51,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:51,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:51,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:51,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:51,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5a1fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:51, skipping insertion in model container [2023-11-23 21:15:51,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:51" (1/1) ... [2023-11-23 21:15:52,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:52,275 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_75746b46-167d-45ea-9105-5c871fc61bfd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i[919,932] [2023-11-23 21:15:52,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:52,442 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:52,458 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_75746b46-167d-45ea-9105-5c871fc61bfd/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i[919,932] [2023-11-23 21:15:52,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:52,579 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:52,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52 WrapperNode [2023-11-23 21:15:52,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:52,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:52,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:52,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:52,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,694 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-11-23 21:15:52,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:52,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:52,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:52,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:52,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:52,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:52,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:52,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:52,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (1/1) ... [2023-11-23 21:15:52,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:52,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:52,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:15:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:52,965 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:52,967 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:56,042 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:56,124 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:56,124 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:56,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:56 BoogieIcfgContainer [2023-11-23 21:15:56,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:56,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:56,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:56,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:56,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:51" (1/3) ... [2023-11-23 21:15:56,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b527826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:56, skipping insertion in model container [2023-11-23 21:15:56,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:52" (2/3) ... [2023-11-23 21:15:56,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b527826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:56, skipping insertion in model container [2023-11-23 21:15:56,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:56" (3/3) ... [2023-11-23 21:15:56,134 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-35.i [2023-11-23 21:15:56,154 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:56,155 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:56,207 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:56,214 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=FINITE_AUTOMATA, 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;@4e34166, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:56,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:15:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:15:56,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:56,238 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:56,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:56,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash -675622710, now seen corresponding path program 1 times [2023-11-23 21:15:56,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:56,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448490145] [2023-11-23 21:15:56,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:56,259 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 [2023-11-23 21:15:56,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:56,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:56,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:56,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:15:56,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2023-11-23 21:15:56,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:56,929 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:56,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448490145] [2023-11-23 21:15:56,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448490145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:56,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:56,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:56,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919038991] [2023-11-23 21:15:56,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:56,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:15:56,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:56,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:15:56,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:56,997 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:15:59,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:59,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:59,027 INFO L93 Difference]: Finished difference Result 158 states and 280 transitions. [2023-11-23 21:15:59,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:15:59,053 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2023-11-23 21:15:59,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:59,062 INFO L225 Difference]: With dead ends: 158 [2023-11-23 21:15:59,062 INFO L226 Difference]: Without dead ends: 78 [2023-11-23 21:15:59,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:59,070 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:59,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-23 21:15:59,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-23 21:15:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-23 21:15:59,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 48 states have internal predecessors, (64), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:15:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 120 transitions. [2023-11-23 21:15:59,162 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 120 transitions. Word has length 180 [2023-11-23 21:15:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:59,163 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 120 transitions. [2023-11-23 21:15:59,164 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:15:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2023-11-23 21:15:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:15:59,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:59,173 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:59,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:59,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:59,375 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:59,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:59,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1110893630, now seen corresponding path program 1 times [2023-11-23 21:15:59,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:59,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344914796] [2023-11-23 21:15:59,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:59,378 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 [2023-11-23 21:15:59,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:59,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:59,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:59,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:15:59,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:16:00,976 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:16:00,976 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:16:00,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344914796] [2023-11-23 21:16:00,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344914796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:00,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:00,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:00,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040180759] [2023-11-23 21:16:00,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:00,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:16:00,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:16:00,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:16:00,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:16:00,981 INFO L87 Difference]: Start difference. First operand 78 states and 120 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, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:16:02,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:03,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:03,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:03,900 INFO L93 Difference]: Finished difference Result 259 states and 399 transitions. [2023-11-23 21:16:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:16:03,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-11-23 21:16:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:03,925 INFO L225 Difference]: With dead ends: 259 [2023-11-23 21:16:03,927 INFO L226 Difference]: Without dead ends: 182 [2023-11-23 21:16:03,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:16:03,929 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 117 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:03,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 385 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-23 21:16:03,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-23 21:16:03,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 153. [2023-11-23 21:16:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 21:16:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 237 transitions. [2023-11-23 21:16:03,990 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 237 transitions. Word has length 180 [2023-11-23 21:16:03,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:03,992 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 237 transitions. [2023-11-23 21:16:03,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:16:03,993 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 237 transitions. [2023-11-23 21:16:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:16:03,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:03,996 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:04,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:04,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:16:04,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:04,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:04,209 INFO L85 PathProgramCache]: Analyzing trace with hash -688191804, now seen corresponding path program 1 times [2023-11-23 21:16:04,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:04,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098718923] [2023-11-23 21:16:04,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:04,210 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 [2023-11-23 21:16:04,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:04,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:16:04,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:16:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:04,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:16:04,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:16:05,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:16:05,465 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:16:05,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098718923] [2023-11-23 21:16:05,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098718923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:05,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:05,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:16:05,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179011539] [2023-11-23 21:16:05,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:05,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:16:05,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:16:05,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:16:05,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:16:05,469 INFO L87 Difference]: Start difference. First operand 153 states and 237 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:16:08,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:09,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:09,917 INFO L93 Difference]: Finished difference Result 497 states and 770 transitions. [2023-11-23 21:16:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:16:09,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-11-23 21:16:09,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:09,942 INFO L225 Difference]: With dead ends: 497 [2023-11-23 21:16:09,942 INFO L226 Difference]: Without dead ends: 345 [2023-11-23 21:16:09,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:16:09,945 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 130 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:09,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 394 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-23 21:16:09,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-11-23 21:16:10,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 303. [2023-11-23 21:16:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 186 states have (on average 1.3225806451612903) internal successors, (246), 186 states have internal predecessors, (246), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-11-23 21:16:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 470 transitions. [2023-11-23 21:16:10,021 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 470 transitions. Word has length 180 [2023-11-23 21:16:10,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:10,022 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 470 transitions. [2023-11-23 21:16:10,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:16:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 470 transitions. [2023-11-23 21:16:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:16:10,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:10,026 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:10,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:10,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:16:10,239 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:10,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:10,239 INFO L85 PathProgramCache]: Analyzing trace with hash -188059946, now seen corresponding path program 1 times [2023-11-23 21:16:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:10,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156377244] [2023-11-23 21:16:10,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:10,241 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 [2023-11-23 21:16:10,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:10,242 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:16:10,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 (5)] Waiting until timeout for monitored process [2023-11-23 21:16:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:10,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:16:10,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:16:10,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:16:10,868 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:16:10,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156377244] [2023-11-23 21:16:10,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156377244] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:10,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:10,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:16:10,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267759806] [2023-11-23 21:16:10,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:10,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:16:10,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:16:10,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:16:10,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:16:10,872 INFO L87 Difference]: Start difference. First operand 303 states and 470 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:16:14,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:15,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:15,600 INFO L93 Difference]: Finished difference Result 977 states and 1511 transitions. [2023-11-23 21:16:15,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:16:15,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2023-11-23 21:16:15,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:15,617 INFO L225 Difference]: With dead ends: 977 [2023-11-23 21:16:15,623 INFO L226 Difference]: Without dead ends: 675 [2023-11-23 21:16:15,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:16:15,628 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 206 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:15,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 628 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-23 21:16:15,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2023-11-23 21:16:15,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 437. [2023-11-23 21:16:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 304 states have (on average 1.388157894736842) internal successors, (422), 306 states have internal predecessors, (422), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 124 states have call predecessors, (126), 126 states have call successors, (126) [2023-11-23 21:16:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 674 transitions. [2023-11-23 21:16:15,765 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 674 transitions. Word has length 181 [2023-11-23 21:16:15,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:15,768 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 674 transitions. [2023-11-23 21:16:15,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:16:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 674 transitions. [2023-11-23 21:16:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:16:15,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:15,773 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:15,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:15,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:16:15,983 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:15,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:15,984 INFO L85 PathProgramCache]: Analyzing trace with hash -774865960, now seen corresponding path program 1 times [2023-11-23 21:16:15,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:15,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232437239] [2023-11-23 21:16:15,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:15,986 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 [2023-11-23 21:16:15,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:15,987 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:16:15,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:16:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:16,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:16:16,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 21:16:16,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:16:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:16:17,265 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:16:17,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232437239] [2023-11-23 21:16:17,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232437239] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:16:17,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1104071487] [2023-11-23 21:16:17,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:17,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:16:17,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:16:17,271 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:16:17,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:16:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:18,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:16:18,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 21:16:19,145 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:16:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:16:19,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1104071487] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:16:19,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265581434] [2023-11-23 21:16:19,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:19,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:16:19,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:19,471 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:16:19,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:16:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:19,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:16:19,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:16:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 711 proven. 27 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2023-11-23 21:16:20,052 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:16:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 27 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:16:20,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265581434] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:16:20,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:16:20,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2023-11-23 21:16:20,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157568071] [2023-11-23 21:16:20,351 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:16:20,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:16:20,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:16:20,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:16:20,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:16:20,355 INFO L87 Difference]: Start difference. First operand 437 states and 674 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 21:16:22,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:22,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:22,887 INFO L93 Difference]: Finished difference Result 901 states and 1371 transitions. [2023-11-23 21:16:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:16:22,908 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 181 [2023-11-23 21:16:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:22,915 INFO L225 Difference]: With dead ends: 901 [2023-11-23 21:16:22,915 INFO L226 Difference]: Without dead ends: 465 [2023-11-23 21:16:22,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1084 GetRequests, 1074 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:16:22,920 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 60 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:22,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 186 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:16:22,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2023-11-23 21:16:22,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 453. [2023-11-23 21:16:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 316 states have (on average 1.3417721518987342) internal successors, (424), 318 states have internal predecessors, (424), 126 states have call successors, (126), 10 states have call predecessors, (126), 10 states have return successors, (126), 124 states have call predecessors, (126), 126 states have call successors, (126) [2023-11-23 21:16:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 676 transitions. [2023-11-23 21:16:23,000 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 676 transitions. Word has length 181 [2023-11-23 21:16:23,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:23,001 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 676 transitions. [2023-11-23 21:16:23,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 21:16:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 676 transitions. [2023-11-23 21:16:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:16:23,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:23,005 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:23,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:23,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:23,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-23 21:16:23,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:16:23,618 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:23,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:23,618 INFO L85 PathProgramCache]: Analyzing trace with hash -717607658, now seen corresponding path program 1 times [2023-11-23 21:16:23,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:23,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868146990] [2023-11-23 21:16:23,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:23,619 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 [2023-11-23 21:16:23,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:23,620 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:16:23,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75746b46-167d-45ea-9105-5c871fc61bfd/bin/utaipan-verify-mE87zJ7Ire/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 (9)] Waiting until timeout for monitored process [2023-11-23 21:16:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:24,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-23 21:16:24,205 INFO L285 TraceCheckSpWp]: Computing forward predicates...