./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/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_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/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_b5b19e00-f505-493b-b7f8-d0f2488747a3/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 0ffd39a127639dc9d1d83c43047d6e524590ceac6f55444ad8787abb8c344354 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:44,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:44,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:32:44,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:44,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:44,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:44,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:44,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:44,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:44,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:44,145 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:44,154 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:44,155 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:44,160 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:44,161 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:44,161 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:44,163 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:44,164 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:44,166 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:44,166 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:44,167 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:44,167 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:44,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:44,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:44,169 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:44,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:44,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:44,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:44,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:44,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:44,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:44,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:44,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:44,190 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:44,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:44,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:44,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:44,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:44,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:44,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:44,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:44,193 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:44,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:44,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:44,194 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:44,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:44,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:44,195 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_b5b19e00-f505-493b-b7f8-d0f2488747a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ffd39a127639dc9d1d83c43047d6e524590ceac6f55444ad8787abb8c344354 [2023-11-23 21:32:44,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:44,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:44,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:44,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:44,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:44,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i [2023-11-23 21:32:47,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:47,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:47,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i [2023-11-23 21:32:47,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/data/e1dd4d56b/c0ca507ab0ec4a558729d481fafe39af/FLAGd1329e1cc [2023-11-23 21:32:47,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/data/e1dd4d56b/c0ca507ab0ec4a558729d481fafe39af [2023-11-23 21:32:47,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:47,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:47,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:47,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:47,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:47,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:47" (1/1) ... [2023-11-23 21:32:47,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d628b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:47, skipping insertion in model container [2023-11-23 21:32:47,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:47" (1/1) ... [2023-11-23 21:32:48,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:48,167 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_b5b19e00-f505-493b-b7f8-d0f2488747a3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i[915,928] [2023-11-23 21:32:48,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:48,238 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:48,252 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_b5b19e00-f505-493b-b7f8-d0f2488747a3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i[915,928] [2023-11-23 21:32:48,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:48,306 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:48,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48 WrapperNode [2023-11-23 21:32:48,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:48,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:48,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:48,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:48,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,382 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-11-23 21:32:48,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:48,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:48,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:48,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:48,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:48,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:48,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:48,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:48,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (1/1) ... [2023-11-23 21:32:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:48,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:48,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:48,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:48,604 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:48,606 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:49,053 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:49,307 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:49,308 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:49,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:49 BoogieIcfgContainer [2023-11-23 21:32:49,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:49,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:49,316 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:49,319 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:49,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:47" (1/3) ... [2023-11-23 21:32:49,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd418c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:49, skipping insertion in model container [2023-11-23 21:32:49,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:48" (2/3) ... [2023-11-23 21:32:49,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd418c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:49, skipping insertion in model container [2023-11-23 21:32:49,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:49" (3/3) ... [2023-11-23 21:32:49,325 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-82.i [2023-11-23 21:32:49,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:49,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:49,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:49,410 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;@14f02c54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:49,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:32:49,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 21:32:49,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:49,429 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:49,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:49,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:49,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1466402729, now seen corresponding path program 1 times [2023-11-23 21:32:49,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:49,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835267799] [2023-11-23 21:32:49,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:49,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:32:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:50,201 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:32:50,203 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:32:50,204 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:50,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:50,211 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:32:50,216 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:50,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:50 BoogieIcfgContainer [2023-11-23 21:32:50,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:50,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:50,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:50,404 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:50,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:49" (3/4) ... [2023-11-23 21:32:50,407 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:32:50,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:50,409 INFO L158 Benchmark]: Toolchain (without parser) took 2449.24ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 147.7MB in the beginning and 176.9MB in the end (delta: -29.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-23 21:32:50,410 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:50,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.08ms. Allocated memory is still 178.3MB. Free memory was 147.5MB in the beginning and 137.1MB in the end (delta: 10.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-23 21:32:50,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.85ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 134.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:50,412 INFO L158 Benchmark]: Boogie Preprocessor took 35.51ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 132.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:50,412 INFO L158 Benchmark]: RCFGBuilder took 890.56ms. Allocated memory is still 178.3MB. Free memory was 132.8MB in the beginning and 119.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:32:50,413 INFO L158 Benchmark]: TraceAbstraction took 1087.63ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 118.3MB in the beginning and 176.9MB in the end (delta: -58.7MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-23 21:32:50,414 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 213.9MB. Free memory is still 176.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:50,418 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 130.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.08ms. Allocated memory is still 178.3MB. Free memory was 147.5MB in the beginning and 137.1MB in the end (delta: 10.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.85ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 134.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.51ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 132.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 890.56ms. Allocated memory is still 178.3MB. Free memory was 132.8MB in the beginning and 119.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1087.63ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 118.3MB in the beginning and 176.9MB in the end (delta: -58.7MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 213.9MB. Free memory is still 176.9MB. 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 someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] double var_1_4 = 5.5; [L24] float var_1_5 = 49.2; [L25] double var_1_7 = 49.5; [L26] double var_1_8 = 999999999999.4; [L27] double var_1_9 = 255.3; [L28] unsigned char var_1_10 = 1; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_13 = 1; [L31] signed long int var_1_14 = -16; [L32] signed long int var_1_15 = 25; [L33] signed long int var_1_16 = -8; [L34] signed long int var_1_17 = 1000000000; [L35] signed long int var_1_18 = 256; [L36] signed long int var_1_19 = 25; [L37] signed long int var_1_20 = 4; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; [L40] signed long int var_1_23 = 50; [L41] double var_1_24 = 1000000000.5; [L42] double var_1_25 = 2.95; [L43] unsigned char var_1_26 = 10; [L44] unsigned char var_1_27 = 0; [L45] unsigned char var_1_28 = 4; [L46] unsigned char var_1_29 = 1; [L47] unsigned char var_1_30 = 0; [L48] unsigned char var_1_31 = 2; [L49] unsigned char var_1_32 = 0; [L50] double last_1_var_1_7 = 49.5; [L51] signed long int last_1_var_1_14 = -16; [L52] signed long int last_1_var_1_23 = 50; [L158] isInitial = 1 [L159] FCALL initially() [L160] COND TRUE 1 [L161] CALL updateLastVariables() [L149] last_1_var_1_7 = var_1_7 [L150] last_1_var_1_14 = var_1_14 [L151] last_1_var_1_23 = var_1_23 [L161] RET updateLastVariables() [L162] CALL updateVariables() [L107] var_1_4 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L109] var_1_5 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L111] var_1_8 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2, var_1_9=2553/10] [L113] var_1_9 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L115] var_1_11 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L117] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L118] var_1_13 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L120] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L121] var_1_15 = __VERIFIER_nondet_long() [L122] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L123] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L124] var_1_17 = __VERIFIER_nondet_long() [L125] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L126] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L127] var_1_18 = __VERIFIER_nondet_long() [L128] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L129] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L130] var_1_19 = __VERIFIER_nondet_long() [L131] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L132] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L133] var_1_20 = __VERIFIER_nondet_long() [L134] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L135] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L136] var_1_22 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L138] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_25=59/20, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L139] var_1_25 = __VERIFIER_nondet_double() [L140] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_28=4, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L141] var_1_28 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L143] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_28=254, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_28=254, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L144] var_1_30 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_28=254, var_1_29=1, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_28=254, var_1_29=1, var_1_31=2, var_1_32=0, var_1_7=99/2] [L146] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_28=254, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=54/5, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=0, var_1_28=254, var_1_29=1, var_1_30=0, var_1_31=2, var_1_32=0, var_1_7=99/2] [L162] RET updateVariables() [L163] CALL step() [L56] var_1_24 = var_1_25 [L57] var_1_26 = 10 [L58] var_1_27 = var_1_28 [L59] var_1_29 = var_1_30 [L60] COND FALSE !(var_1_25 <= var_1_24) [L65] var_1_32 = var_1_30 [L66] var_1_23 = last_1_var_1_14 [L67] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) [L68] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9)))) [L69] var_1_16 = ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) [L75] signed long int stepLocal_0 = var_1_23; [L76] COND FALSE !(stepLocal_0 == var_1_16) [L79] COND FALSE !((var_1_4 - var_1_5) > var_1_7) [L82] var_1_1 = var_1_4 [L85] signed long int stepLocal_1 = (50 / -10) + var_1_23; [L86] COND FALSE !(stepLocal_1 >= var_1_16) [L93] var_1_21 = var_1_11 [L95] var_1_10 = (var_1_11 && (var_1_21 || var_1_13)) [L96] COND FALSE !(var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) [L103] var_1_14 = var_1_16 [L163] RET step() [L164] CALL, EXPR property() [L154-L155] return (((((((var_1_23 == var_1_16) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_7) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_21 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_16)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_16)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= last_1_var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_23) >= var_1_16) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) last_1_var_1_14)) ; [L164] RET, EXPR property() [L164] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-8, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=1000000000004, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_24=1000000000005, var_1_25=1000000000005, var_1_26=10, var_1_27=254, var_1_28=254, var_1_29=0, var_1_30=0, var_1_31=2, var_1_32=0, var_1_4=1000000000004] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-8, var_1_15=-1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=108, var_1_1=1000000000004, var_1_20=108, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_24=1000000000005, var_1_25=1000000000005, var_1_26=10, var_1_27=254, var_1_28=254, var_1_29=0, var_1_30=0, var_1_31=2, var_1_32=0, var_1_4=1000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 25, 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=49occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 21:32:50,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/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_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/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_b5b19e00-f505-493b-b7f8-d0f2488747a3/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 0ffd39a127639dc9d1d83c43047d6e524590ceac6f55444ad8787abb8c344354 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:52,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:53,032 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:32:53,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:53,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:53,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:53,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:53,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:53,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:53,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:53,073 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:53,073 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:53,074 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:53,075 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:53,075 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:53,076 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:53,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:53,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:53,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:53,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:53,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:53,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:53,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:53,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:53,083 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:53,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:32:53,084 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:32:53,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:53,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:53,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:53,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:53,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:32:53,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:53,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:53,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:53,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:53,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:53,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:53,091 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:32:53,092 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:53,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:53,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:53,093 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:53,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:53,093 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_b5b19e00-f505-493b-b7f8-d0f2488747a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ffd39a127639dc9d1d83c43047d6e524590ceac6f55444ad8787abb8c344354 [2023-11-23 21:32:53,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:53,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:53,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:53,496 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:53,497 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:53,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i [2023-11-23 21:32:56,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:57,000 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:57,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i [2023-11-23 21:32:57,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/data/9e45c4d87/ae79612c083f4bfdb152caabd98f88fa/FLAG16f87d551 [2023-11-23 21:32:57,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/data/9e45c4d87/ae79612c083f4bfdb152caabd98f88fa [2023-11-23 21:32:57,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:57,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:57,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:57,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:57,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:57,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c89dd96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57, skipping insertion in model container [2023-11-23 21:32:57,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:57,334 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_b5b19e00-f505-493b-b7f8-d0f2488747a3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i[915,928] [2023-11-23 21:32:57,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:57,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:57,475 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_b5b19e00-f505-493b-b7f8-d0f2488747a3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-82.i[915,928] [2023-11-23 21:32:57,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:57,530 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:57,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57 WrapperNode [2023-11-23 21:32:57,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:57,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:57,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:57,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:57,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,589 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-23 21:32:57,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:57,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:57,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:57,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:57,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:57,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:57,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:57,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:57,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (1/1) ... [2023-11-23 21:32:57,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:57,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:57,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:57,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:32:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:57,840 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:57,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:33:07,290 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:33:07,403 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:33:07,403 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:33:07,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:07 BoogieIcfgContainer [2023-11-23 21:33:07,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:33:07,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:33:07,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:33:07,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:33:07,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:57" (1/3) ... [2023-11-23 21:33:07,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c5f32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:07, skipping insertion in model container [2023-11-23 21:33:07,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:57" (2/3) ... [2023-11-23 21:33:07,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c5f32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:07, skipping insertion in model container [2023-11-23 21:33:07,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:07" (3/3) ... [2023-11-23 21:33:07,416 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-82.i [2023-11-23 21:33:07,437 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:33:07,437 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:33:07,494 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:33:07,503 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;@83f479f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:33:07,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:33:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:33:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-23 21:33:07,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:07,529 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:33:07,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:33:07,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:07,538 INFO L85 PathProgramCache]: Analyzing trace with hash 964690162, now seen corresponding path program 1 times [2023-11-23 21:33:07,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:33:07,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766663029] [2023-11-23 21:33:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:07,561 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 21:33:07,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:33:07,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/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 21:33:07,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/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 21:33:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:08,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:33:08,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:33:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 336 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-23 21:33:12,615 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:33:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-23 21:33:13,923 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:33:13,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766663029] [2023-11-23 21:33:13,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766663029] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:33:13,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1276560707] [2023-11-23 21:33:13,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:13,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:33:13,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:33:13,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:33:13,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 21:33:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:16,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:33:16,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:33:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 336 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-23 21:33:19,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:33:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-23 21:33:20,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1276560707] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:33:20,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748218619] [2023-11-23 21:33:20,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:20,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:33:20,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:33:20,912 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:33:20,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5b19e00-f505-493b-b7f8-d0f2488747a3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:33:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:23,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:33:23,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:33:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 384 proven. 12 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-23 21:33:26,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:33:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-23 21:33:27,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748218619] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:33:27,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:33:27,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 13 [2023-11-23 21:33:27,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154955449] [2023-11-23 21:33:27,095 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:33:27,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 21:33:27,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:33:27,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 21:33:27,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:33:27,160 INFO L87 Difference]: Start difference. First operand has 67 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 4 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2023-11-23 21:33:32,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:35,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:37,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:39,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:42,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:44,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []