./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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 02baa2e59f749b8f6a62bf588b2331b287a06a0eaebbebe18816d2b78fb71465 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:51,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:51,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:32:51,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:51,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:51,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:51,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:51,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:51,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:51,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:51,234 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:51,235 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:51,236 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:51,238 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:51,238 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:51,239 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:51,239 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:51,240 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:51,240 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:51,241 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:51,241 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:51,242 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:51,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:51,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:51,244 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:51,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:51,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:51,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:51,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:51,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:51,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:51,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:51,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:51,248 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:51,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:51,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:51,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:51,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:51,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:51,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:51,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:51,251 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:51,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:51,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:51,253 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:51,253 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:51,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:51,253 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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02baa2e59f749b8f6a62bf588b2331b287a06a0eaebbebe18816d2b78fb71465 [2023-11-23 20:32:51,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:51,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:51,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:51,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:51,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:51,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i [2023-11-23 20:32:54,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:55,088 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:55,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i [2023-11-23 20:32:55,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/data/263fa1fee/5b0694a8d846428c82d5e50edcacd5b0/FLAG2f19b7239 [2023-11-23 20:32:55,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/data/263fa1fee/5b0694a8d846428c82d5e50edcacd5b0 [2023-11-23 20:32:55,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:55,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:55,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:55,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:55,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:55,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef5e724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55, skipping insertion in model container [2023-11-23 20:32:55,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:55,402 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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i[917,930] [2023-11-23 20:32:55,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:55,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:55,523 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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i[917,930] [2023-11-23 20:32:55,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:55,578 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:55,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55 WrapperNode [2023-11-23 20:32:55,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:55,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:55,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:55,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:55,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,649 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-23 20:32:55,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:55,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:55,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:55,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:55,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:55,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:55,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:55,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:55,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:55,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:55,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:55,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:55,860 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:55,863 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:56,332 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:56,792 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:56,792 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:56,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:56 BoogieIcfgContainer [2023-11-23 20:32:56,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:56,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:56,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:56,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:56,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:55" (1/3) ... [2023-11-23 20:32:56,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32be66a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:56, skipping insertion in model container [2023-11-23 20:32:56,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (2/3) ... [2023-11-23 20:32:56,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32be66a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:56, skipping insertion in model container [2023-11-23 20:32:56,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:56" (3/3) ... [2023-11-23 20:32:56,810 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-74.i [2023-11-23 20:32:56,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:56,835 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:56,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:56,933 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;@521c0de4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:56,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:32:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:32:56,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:56,960 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:56,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:56,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:56,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1367901448, now seen corresponding path program 1 times [2023-11-23 20:32:56,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:56,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298564472] [2023-11-23 20:32:56,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:56,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:57,229 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:32:57,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1684256627] [2023-11-23 20:32:57,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:57,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:32:57,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:57,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:32:57,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:32:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:57,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:57,704 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:57,707 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:57,708 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:57,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:57,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:32:57,925 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:32:57,929 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:58,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:58 BoogieIcfgContainer [2023-11-23 20:32:58,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:58,122 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:58,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:58,123 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:58,123 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:56" (3/4) ... [2023-11-23 20:32:58,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:58,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:58,133 INFO L158 Benchmark]: Toolchain (without parser) took 2998.36ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 90.0MB in the end (delta: 55.4MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:58,134 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:58,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.00ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 131.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:32:58,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.19ms. Allocated memory is still 176.2MB. Free memory was 131.7MB in the beginning and 128.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:58,143 INFO L158 Benchmark]: Boogie Preprocessor took 40.09ms. Allocated memory is still 176.2MB. Free memory was 128.9MB in the beginning and 127.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:58,144 INFO L158 Benchmark]: RCFGBuilder took 1103.77ms. Allocated memory is still 176.2MB. Free memory was 127.1MB in the beginning and 136.9MB in the end (delta: -9.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 20:32:58,146 INFO L158 Benchmark]: TraceAbstraction took 1321.41ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 90.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:58,146 INFO L158 Benchmark]: Witness Printer took 8.42ms. Allocated memory is still 176.2MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:58,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.00ms. Allocated memory is still 176.2MB. Free memory was 145.4MB in the beginning and 131.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.19ms. Allocated memory is still 176.2MB. Free memory was 131.7MB in the beginning and 128.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.09ms. Allocated memory is still 176.2MB. Free memory was 128.9MB in the beginning and 127.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1103.77ms. Allocated memory is still 176.2MB. Free memory was 127.1MB in the beginning and 136.9MB in the end (delta: -9.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1321.41ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 90.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 8.42ms. Allocated memory is still 176.2MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of shiftLeft at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] signed long int var_1_2 = -1; [L24] signed long int var_1_3 = -2; [L25] unsigned char var_1_4 = 0; [L26] unsigned long int var_1_5 = 3914692693; [L27] unsigned long int var_1_6 = 32; [L28] unsigned long int var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 50; [L33] signed long int var_1_12 = 25; [L34] signed long int var_1_13 = 1; [L35] float var_1_15 = 4.75; [L36] unsigned char var_1_16 = 100; [L37] float var_1_17 = 50.1; [L38] float var_1_18 = 100.9; [L39] float var_1_19 = 8.5; [L40] float var_1_20 = 10.625; [L41] float var_1_21 = 0.0; [L42] float var_1_22 = 7.8; [L43] float var_1_23 = 8.25; [L44] double var_1_24 = 5.5; [L148] isInitial = 1 [L149] FCALL initially() [L150] COND TRUE 1 [L151] FCALL updateLastVariables() [L152] CALL updateVariables() [L95] var_1_2 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L98] var_1_3 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L101] var_1_4 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L104] var_1_5 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_5 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 >= 3221225470) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L107] var_1_6 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_7=1, var_1_8=0, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L110] var_1_7 = __VERIFIER_nondet_ulong() [L111] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_8=0, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L113] var_1_9 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0] [L115] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L116] var_1_10 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L119] var_1_12 = __VERIFIER_nondet_long() [L120] CALL assume_abort_if_not(var_1_12 >= 14) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_12 >= 14) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L121] CALL assume_abort_if_not(var_1_12 <= 29) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 <= 29) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L122] var_1_13 = __VERIFIER_nondet_long() [L123] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L124] CALL assume_abort_if_not(var_1_13 <= 14) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_13 <= 14) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L125] var_1_16 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L127] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L128] var_1_17 = __VERIFIER_nondet_float() [L129] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L130] var_1_19 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L132] var_1_20 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L134] var_1_21 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L136] var_1_22 = __VERIFIER_nondet_float() [L137] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L138] var_1_23 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L152] RET updateVariables() [L153] CALL step() [L48] COND FALSE !(! (var_1_2 >= var_1_3)) [L55] var_1_1 = var_1_7 [L57] signed long int stepLocal_1 = var_1_3; [L58] signed long int stepLocal_0 = var_1_3; [L59] COND TRUE var_1_6 < stepLocal_0 [L60] COND FALSE !(stepLocal_1 <= var_1_6) [L64] EXPR 5u << (var_1_12 - var_1_13) [L64] unsigned long int stepLocal_3 = 5u << (var_1_12 - var_1_13); [L65] unsigned long int stepLocal_2 = var_1_7; [L66] COND FALSE !(! ((var_1_5 > var_1_7) || var_1_4)) [L77] var_1_11 = var_1_12 [L79] COND FALSE !(\read(var_1_10)) [L84] COND FALSE !(\read(var_1_10)) [L87] var_1_18 = (((var_1_21 - var_1_22) - var_1_23) + var_1_20) [L89] signed long int stepLocal_4 = var_1_12 - var_1_11; [L90] COND FALSE !((~ var_1_3) <= stepLocal_4) [L153] RET step() [L154] CALL, EXPR property() [L144] EXPR (((! (var_1_2 >= var_1_3)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_6 < var_1_3) ? ((var_1_3 <= var_1_6) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_4)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) [L144] EXPR (! ((var_1_5 > var_1_7) || var_1_4)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)) [L144] EXPR (((! (var_1_2 >= var_1_3)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_6 < var_1_3) ? ((var_1_3 <= var_1_6) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_4)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) [L144-L145] return ((((((! (var_1_2 >= var_1_3)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_6 < var_1_3) ? ((var_1_3 <= var_1_6) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_4)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)))) && (var_1_10 ? ((var_1_11 > (var_1_6 / (var_1_12 + var_1_16))) ? (var_1_15 == ((float) var_1_17)) : 1) : 1)) && (var_1_10 ? (var_1_18 == ((float) (var_1_19 + var_1_20))) : (var_1_18 == ((float) (((var_1_21 - var_1_22) - var_1_23) + var_1_20))))) && (((~ var_1_3) <= (var_1_12 - var_1_11)) ? (var_1_24 == ((double) var_1_22)) : 1) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=0, var_1_1=0, var_1_22=0, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=0, var_1_1=0, var_1_22=0, var_1_24=11/2, var_1_2=-2147483648, var_1_3=-2147483648, var_1_4=1, var_1_5=4294967294, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:32:58,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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 02baa2e59f749b8f6a62bf588b2331b287a06a0eaebbebe18816d2b78fb71465 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:00,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:01,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:33:01,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:01,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:01,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:01,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:01,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:01,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:01,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:01,075 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:01,076 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:01,076 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:01,078 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:01,079 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:01,079 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:01,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:01,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:01,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:01,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:01,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:01,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:01,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:01,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:01,084 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:33:01,085 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:33:01,085 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:33:01,086 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:01,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:01,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:01,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:01,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:33:01,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:01,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:01,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:01,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:01,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:01,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:01,091 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:33:01,092 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:01,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:01,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:01,093 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:01,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:01,093 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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02baa2e59f749b8f6a62bf588b2331b287a06a0eaebbebe18816d2b78fb71465 [2023-11-23 20:33:01,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:01,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:01,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:01,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:01,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:01,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i [2023-11-23 20:33:05,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:05,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:05,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i [2023-11-23 20:33:05,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/data/22de70faf/7a033201e14e4084b1491b34d5b0bff8/FLAG64f795cd8 [2023-11-23 20:33:05,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/data/22de70faf/7a033201e14e4084b1491b34d5b0bff8 [2023-11-23 20:33:05,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:05,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:05,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:05,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:05,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:05,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7049c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05, skipping insertion in model container [2023-11-23 20:33:05,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:05,621 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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i[917,930] [2023-11-23 20:33:05,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:05,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:05,719 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_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i[917,930] [2023-11-23 20:33:05,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:05,800 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:05,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05 WrapperNode [2023-11-23 20:33:05,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:05,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:05,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:05,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:05,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,886 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-23 20:33:05,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:05,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:05,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:05,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:05,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:05,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:05,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:05,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:05,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:05,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:06,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:06,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:33:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:06,219 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:06,227 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:09,018 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:09,070 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:09,070 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:09,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:09 BoogieIcfgContainer [2023-11-23 20:33:09,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:09,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:09,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:09,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:09,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:05" (1/3) ... [2023-11-23 20:33:09,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afab0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:09, skipping insertion in model container [2023-11-23 20:33:09,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05" (2/3) ... [2023-11-23 20:33:09,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afab0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:09, skipping insertion in model container [2023-11-23 20:33:09,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:09" (3/3) ... [2023-11-23 20:33:09,081 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-74.i [2023-11-23 20:33:09,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:09,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:09,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:09,172 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;@7283e3f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:09,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:33:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 20:33:09,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:09,199 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:09,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:09,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:09,206 INFO L85 PathProgramCache]: Analyzing trace with hash -33743380, now seen corresponding path program 1 times [2023-11-23 20:33:09,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:09,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729686005] [2023-11-23 20:33:09,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:09,225 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 20:33:09,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:09,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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 20:33:09,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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 20:33:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:09,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:33:09,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-23 20:33:09,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:09,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:09,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729686005] [2023-11-23 20:33:09,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729686005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:09,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:09,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:09,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993432762] [2023-11-23 20:33:09,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:09,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:33:09,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:09,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:33:09,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:09,941 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:33:12,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:12,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:12,077 INFO L93 Difference]: Finished difference Result 141 states and 252 transitions. [2023-11-23 20:33:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:33:12,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 171 [2023-11-23 20:33:12,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:12,116 INFO L225 Difference]: With dead ends: 141 [2023-11-23 20:33:12,116 INFO L226 Difference]: Without dead ends: 70 [2023-11-23 20:33:12,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:12,126 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:12,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 20:33:12,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-23 20:33:12,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-23 20:33:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:33:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-11-23 20:33:12,220 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 171 [2023-11-23 20:33:12,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:12,222 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-11-23 20:33:12,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:33:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-23 20:33:12,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 20:33:12,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:12,241 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:12,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:12,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:12,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:12,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:12,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1501020576, now seen corresponding path program 1 times [2023-11-23 20:33:12,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:12,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959822804] [2023-11-23 20:33:12,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:12,460 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 20:33:12,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:12,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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 20:33:12,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:33:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:12,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:33:12,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 777 proven. 36 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-11-23 20:33:13,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:33:14,151 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:14,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959822804] [2023-11-23 20:33:14,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [959822804] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:33:14,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1116001364] [2023-11-23 20:33:14,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:14,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:14,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:33:14,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:33:14,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:33:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:14,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:33:14,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:33:14,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:14,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1116001364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:14,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:33:14,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 7 [2023-11-23 20:33:14,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880485467] [2023-11-23 20:33:14,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:14,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:14,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:14,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:14,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:14,764 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:33:17,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:19,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:21,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:21,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:21,340 INFO L93 Difference]: Finished difference Result 173 states and 264 transitions. [2023-11-23 20:33:21,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:21,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 171 [2023-11-23 20:33:21,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:21,346 INFO L225 Difference]: With dead ends: 173 [2023-11-23 20:33:21,347 INFO L226 Difference]: Without dead ends: 104 [2023-11-23 20:33:21,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 503 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:21,350 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 47 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:21,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 201 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-11-23 20:33:21,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-23 20:33:21,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-11-23 20:33:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 56 states have (on average 1.25) internal successors, (70), 57 states have internal predecessors, (70), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-23 20:33:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2023-11-23 20:33:21,390 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 171 [2023-11-23 20:33:21,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:21,391 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2023-11-23 20:33:21,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:33:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2023-11-23 20:33:21,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 20:33:21,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:21,396 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:21,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:21,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:21,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:21,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:21,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:21,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1558278878, now seen corresponding path program 1 times [2023-11-23 20:33:21,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:21,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216302282] [2023-11-23 20:33:21,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:21,811 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 20:33:21,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:21,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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 20:33:21,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 20:33:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:22,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:33:22,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 1005 proven. 108 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 20:33:24,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:25,550 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:25,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216302282] [2023-11-23 20:33:25,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216302282] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:25,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [30228075] [2023-11-23 20:33:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:25,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:33:25,557 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:33:25,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:33:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:27,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:33:27,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 1005 proven. 108 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 20:33:29,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:29,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [30228075] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:29,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886517956] [2023-11-23 20:33:29,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:29,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:29,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:29,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:29,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 20:33:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:30,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:33:30,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 1005 proven. 108 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 20:33:32,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:32,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886517956] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:33:32,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 20:33:32,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 15 [2023-11-23 20:33:32,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029162238] [2023-11-23 20:33:32,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 20:33:32,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-23 20:33:32,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:32,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-23 20:33:32,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2023-11-23 20:33:32,811 INFO L87 Difference]: Start difference. First operand 101 states and 154 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-23 20:33:38,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 20:33:41,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:42,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:43,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:43,335 INFO L93 Difference]: Finished difference Result 301 states and 421 transitions. [2023-11-23 20:33:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-23 20:33:43,336 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 171 [2023-11-23 20:33:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:43,343 INFO L225 Difference]: With dead ends: 301 [2023-11-23 20:33:43,343 INFO L226 Difference]: Without dead ends: 201 [2023-11-23 20:33:43,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=277, Invalid=913, Unknown=0, NotChecked=0, Total=1190 [2023-11-23 20:33:43,347 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 114 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:43,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 390 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 800 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2023-11-23 20:33:43,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-23 20:33:43,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 161. [2023-11-23 20:33:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 105 states have (on average 1.2571428571428571) internal successors, (132), 108 states have internal predecessors, (132), 46 states have call successors, (46), 9 states have call predecessors, (46), 9 states have return successors, (46), 43 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 20:33:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 224 transitions. [2023-11-23 20:33:43,384 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 224 transitions. Word has length 171 [2023-11-23 20:33:43,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:43,385 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 224 transitions. [2023-11-23 20:33:43,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-23 20:33:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 224 transitions. [2023-11-23 20:33:43,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 20:33:43,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:43,391 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:43,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:43,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:43,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:44,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:44,007 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:44,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:44,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1558219296, now seen corresponding path program 1 times [2023-11-23 20:33:44,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:44,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635076971] [2023-11-23 20:33:44,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:44,009 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 20:33:44,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:44,011 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/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 20:33:44,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6700d14-7d82-4ebb-8ebe-a86f7747a69b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 20:33:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:44,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 20:33:44,599 INFO L285 TraceCheckSpWp]: Computing forward predicates...