./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.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_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/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_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/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_90d8c720-244c-400c-91df-dbb67882ea90/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 4a2852bfaff465fc69457afab402306b9fc2524ec5f6d94f3c94226f5f002d6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:17,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:17,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:30:17,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:17,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:17,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:17,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:17,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:17,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:17,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:17,256 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:17,257 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:17,257 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:17,258 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:17,259 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:17,259 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:17,260 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:17,260 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:17,261 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:17,261 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:17,262 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:17,263 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:17,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:17,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:17,264 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:17,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:17,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:17,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:17,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:17,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:17,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:17,267 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:17,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:17,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:17,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:17,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:17,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:17,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:17,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:17,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:17,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:17,270 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:17,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:17,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:17,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:17,271 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:17,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:17,271 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_90d8c720-244c-400c-91df-dbb67882ea90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2852bfaff465fc69457afab402306b9fc2524ec5f6d94f3c94226f5f002d6e [2023-11-23 21:30:17,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:17,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:17,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:17,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:17,617 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:17,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i [2023-11-23 21:30:20,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:20,814 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:20,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i [2023-11-23 21:30:20,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/data/cf72c4faf/49506d36a47748d189c34dbefe332084/FLAG6565cac09 [2023-11-23 21:30:20,865 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/data/cf72c4faf/49506d36a47748d189c34dbefe332084 [2023-11-23 21:30:20,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:20,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:20,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:20,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:20,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:20,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:20" (1/1) ... [2023-11-23 21:30:20,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784e01d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:20, skipping insertion in model container [2023-11-23 21:30:20,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:20" (1/1) ... [2023-11-23 21:30:20,940 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:21,091 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_90d8c720-244c-400c-91df-dbb67882ea90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i[913,926] [2023-11-23 21:30:21,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:21,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:21,184 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_90d8c720-244c-400c-91df-dbb67882ea90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i[913,926] [2023-11-23 21:30:21,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:21,277 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:21,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21 WrapperNode [2023-11-23 21:30:21,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:21,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:21,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:21,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:21,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,342 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-23 21:30:21,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:21,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:21,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:21,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:21,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:21,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:21,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:21,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:21,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (1/1) ... [2023-11-23 21:30:21,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:21,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:21,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:21,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:21,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:30:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:21,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:21,674 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:21,678 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:22,051 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:22,293 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:22,294 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:22,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:22 BoogieIcfgContainer [2023-11-23 21:30:22,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:22,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:22,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:22,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:22,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:20" (1/3) ... [2023-11-23 21:30:22,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71654938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:22, skipping insertion in model container [2023-11-23 21:30:22,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:21" (2/3) ... [2023-11-23 21:30:22,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71654938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:22, skipping insertion in model container [2023-11-23 21:30:22,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:22" (3/3) ... [2023-11-23 21:30:22,306 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-37.i [2023-11-23 21:30:22,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:22,325 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:22,380 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:22,387 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;@4fd578b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:22,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:30:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 21:30:22,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:22,406 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:22,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:22,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:22,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1765619163, now seen corresponding path program 1 times [2023-11-23 21:30:22,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:22,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655161655] [2023-11-23 21:30:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:22,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:22,586 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:30:22,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097679013] [2023-11-23 21:30:22,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:22,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:22,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:22,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:30:22,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:30:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:22,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:30:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:23,146 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:30:23,149 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:30:23,150 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:30:23,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:23,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:30:23,379 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:30:23,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:30:23,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:30:23 BoogieIcfgContainer [2023-11-23 21:30:23,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:30:23,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:30:23,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:30:23,485 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:30:23,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:22" (3/4) ... [2023-11-23 21:30:23,488 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:30:23,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:30:23,490 INFO L158 Benchmark]: Toolchain (without parser) took 2615.92ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 133.2MB in the beginning and 153.6MB in the end (delta: -20.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-23 21:30:23,490 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory was 94.9MB in the beginning and 94.9MB in the end (delta: 66.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:23,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.89ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 119.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:30:23,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.23ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 115.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:30:23,493 INFO L158 Benchmark]: Boogie Preprocessor took 39.41ms. Allocated memory is still 163.6MB. Free memory was 115.8MB in the beginning and 114.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:30:23,493 INFO L158 Benchmark]: RCFGBuilder took 912.40ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 98.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:23,494 INFO L158 Benchmark]: TraceAbstraction took 1185.79ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 97.5MB in the beginning and 153.6MB in the end (delta: -56.1MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-11-23 21:30:23,495 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 197.1MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:23,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory was 94.9MB in the beginning and 94.9MB in the end (delta: 66.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.89ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 119.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.23ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 115.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.41ms. Allocated memory is still 163.6MB. Free memory was 115.8MB in the beginning and 114.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 912.40ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 98.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1185.79ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 97.5MB in the beginning and 153.6MB in the end (delta: -56.1MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 197.1MB. Free memory is still 153.6MB. 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 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 256; [L23] unsigned short int var_1_2 = 51640; [L24] unsigned short int var_1_3 = 5; [L25] signed long int var_1_4 = -100; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = -1000000; [L28] float var_1_7 = 128.8; [L29] unsigned char var_1_8 = 2; [L30] float var_1_9 = 256.5; [L31] float var_1_10 = 7.25; [L32] signed char var_1_11 = 64; [L33] signed char var_1_12 = -16; [L34] double var_1_13 = 0.9; [L35] unsigned char var_1_14 = 1; [L36] double var_1_15 = 0.0; [L37] double var_1_16 = 1.275; [L38] unsigned short int var_1_17 = 8; [L39] unsigned short int var_1_18 = 35331; [L40] signed char var_1_19 = -128; [L41] double var_1_20 = 0.0; [L42] double var_1_21 = 0.0; [L43] signed char var_1_22 = -8; [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] FCALL updateLastVariables() [L139] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=5, var_1_4=-100, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=5, var_1_4=-100, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L88] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=5, var_1_4=-100, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=5, var_1_4=-100, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L89] var_1_3 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_4=-100, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_4=-100, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L91] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=-100, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=-100, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] var_1_4 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L94] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=0, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] var_1_5 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_5 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 >= -1073741823) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L97] CALL assume_abort_if_not(var_1_5 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 <= 1073741823) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=-1000000, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L98] var_1_6 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_6 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 >= -2147483647) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L100] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L101] var_1_8 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_9=513/2] [L103] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_9=513/2] [L104] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L105] var_1_9 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L107] var_1_12 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L109] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L110] var_1_14 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L112] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L113] var_1_15 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L115] var_1_16 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L117] var_1_18 = __VERIFIER_nondet_ushort() [L118] CALL assume_abort_if_not(var_1_18 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 >= 32767) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L119] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L120] var_1_20 = __VERIFIER_nondet_double() [L121] CALL assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L122] var_1_21 = __VERIFIER_nondet_double() [L123] CALL assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L124] var_1_22 = __VERIFIER_nondet_char() [L125] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=0, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=0, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L126] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=0, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, var_1_10=29/4, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=32767, var_1_19=-128, var_1_1=256, var_1_22=0, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=644/5, var_1_8=2] [L139] RET updateVariables() [L140] CALL step() [L47] COND TRUE (var_1_2 - var_1_3) > var_1_4 [L48] var_1_1 = (((((((((var_1_5 + var_1_3)) < (var_1_2)) ? ((var_1_5 + var_1_3)) : (var_1_2)))) < (var_1_6)) ? ((((((var_1_5 + var_1_3)) < (var_1_2)) ? ((var_1_5 + var_1_3)) : (var_1_2)))) : (var_1_6))) [L52] COND TRUE (var_1_5 / var_1_8) < (var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2)))) [L53] COND FALSE !(var_1_1 >= var_1_3) [L56] var_1_7 = var_1_9 [L59] COND TRUE (var_1_6 >= var_1_4) || (var_1_9 > var_1_7) [L60] var_1_10 = var_1_9 [L62] COND FALSE !(var_1_10 >= var_1_7) [L67] COND FALSE !(\read(var_1_14)) [L78] var_1_17 = (var_1_18 - var_1_3) [L79] COND FALSE !(var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) [L82] var_1_19 = var_1_12 [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return ((((((((var_1_2 - var_1_3) > var_1_4) ? (var_1_1 == ((signed long int) (((((((((var_1_5 + var_1_3)) < (var_1_2)) ? ((var_1_5 + var_1_3)) : (var_1_2)))) < (var_1_6)) ? ((((((var_1_5 + var_1_3)) < (var_1_2)) ? ((var_1_5 + var_1_3)) : (var_1_2)))) : (var_1_6))))) : (var_1_1 == ((signed long int) 0))) && (((var_1_5 / var_1_8) < (var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))))) ? ((var_1_1 >= var_1_3) ? (var_1_7 == ((float) 0.75f)) : (var_1_7 == ((float) var_1_9))) : 1)) && (((var_1_6 >= var_1_4) || (var_1_9 > var_1_7)) ? (var_1_10 == ((float) var_1_9)) : 1)) && ((var_1_10 >= var_1_7) ? ((var_1_9 < var_1_10) ? (var_1_11 == ((signed char) var_1_12)) : 1) : 1)) && (var_1_14 ? ((var_1_10 <= var_1_9) ? (var_1_13 == ((double) var_1_9)) : ((((((var_1_5) < ((var_1_2 * var_1_1))) ? (var_1_5) : ((var_1_2 * var_1_1)))) == (var_1_3 + var_1_6)) ? (var_1_13 == ((double) 8.75)) : (var_1_13 == ((double) (16.5 + ((var_1_15 - 49.35) - var_1_16)))))) : 1)) && (var_1_17 == ((unsigned short int) (var_1_18 - var_1_3)))) && ((var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) ? (var_1_19 == ((signed char) ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))))) : (var_1_19 == ((signed char) var_1_12))) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=32767, var_1_19=64, var_1_1=5, var_1_22=0, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=2, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=64, var_1_12=64, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=32767, var_1_19=64, var_1_1=5, var_1_22=0, var_1_2=32767, var_1_3=32764, var_1_4=2, var_1_5=3, var_1_6=5, var_1_7=2, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 21:30:23,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/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_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/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_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/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_90d8c720-244c-400c-91df-dbb67882ea90/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 4a2852bfaff465fc69457afab402306b9fc2524ec5f6d94f3c94226f5f002d6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:26,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:26,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:30:26,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:26,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:26,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:26,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:26,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:26,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:26,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:26,299 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:26,300 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:26,301 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:26,301 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:26,302 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:26,302 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:26,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:26,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:26,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:26,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:26,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:26,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:26,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:26,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:26,317 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:30:26,318 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:30:26,318 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:30:26,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:26,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:26,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:26,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:26,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:30:26,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:26,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:26,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:26,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:26,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:26,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:26,324 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:30:26,325 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:26,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:26,325 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:26,326 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:26,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:26,326 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_90d8c720-244c-400c-91df-dbb67882ea90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2852bfaff465fc69457afab402306b9fc2524ec5f6d94f3c94226f5f002d6e [2023-11-23 21:30:26,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:26,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:26,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:26,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:26,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:26,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i [2023-11-23 21:30:29,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:30,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:30,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i [2023-11-23 21:30:30,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/data/d30d93557/8812927346284a0281df25acca75006b/FLAGe5f07e6ae [2023-11-23 21:30:30,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/data/d30d93557/8812927346284a0281df25acca75006b [2023-11-23 21:30:30,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:30,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:30,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:30,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:30,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:30,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a16d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30, skipping insertion in model container [2023-11-23 21:30:30,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:30,662 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_90d8c720-244c-400c-91df-dbb67882ea90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i[913,926] [2023-11-23 21:30:30,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:30,746 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:30,761 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_90d8c720-244c-400c-91df-dbb67882ea90/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-37.i[913,926] [2023-11-23 21:30:30,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:30,823 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:30,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30 WrapperNode [2023-11-23 21:30:30,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:30,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:30,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:30,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:30,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,888 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-11-23 21:30:30,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:30,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:30,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:30,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:30,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:30,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:31,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:31,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:31,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:31,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:31,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (1/1) ... [2023-11-23 21:30:31,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:31,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:31,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:31,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:30:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:31,252 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:31,255 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:40,004 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:40,077 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:40,078 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:40,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:40 BoogieIcfgContainer [2023-11-23 21:30:40,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:40,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:40,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:40,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:40,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:30" (1/3) ... [2023-11-23 21:30:40,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256e1913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:40, skipping insertion in model container [2023-11-23 21:30:40,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:30" (2/3) ... [2023-11-23 21:30:40,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256e1913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:40, skipping insertion in model container [2023-11-23 21:30:40,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:40" (3/3) ... [2023-11-23 21:30:40,093 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-37.i [2023-11-23 21:30:40,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:40,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:40,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:40,180 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;@355199a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:40,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:30:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 21:30:40,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:40,206 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:30:40,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:40,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:40,213 INFO L85 PathProgramCache]: Analyzing trace with hash -2138180549, now seen corresponding path program 1 times [2023-11-23 21:30:40,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:40,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454357696] [2023-11-23 21:30:40,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:40,231 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 21:30:40,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:40,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/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 21:30:40,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d8c720-244c-400c-91df-dbb67882ea90/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 21:30:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:41,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 21:30:41,268 INFO L285 TraceCheckSpWp]: Computing forward predicates...