./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ --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 0bd598c6ab4eb0f85d075cd68c94871d585d0d9cc55a581ea912a4da97c7f3b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:24,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:24,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:15:24,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:24,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:24,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:24,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:24,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:24,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:24,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:24,218 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:24,219 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:24,219 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:24,221 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:24,222 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:24,222 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:24,223 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:24,223 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:24,225 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:24,226 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:24,226 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:24,227 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:24,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:24,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:24,229 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:15:24,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:24,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:15:24,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:24,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:24,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:24,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:24,233 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:15:24,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:24,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:24,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:24,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:24,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:24,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:24,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:24,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:24,236 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:24,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:24,237 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:24,237 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:24,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:24,238 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_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bd598c6ab4eb0f85d075cd68c94871d585d0d9cc55a581ea912a4da97c7f3b7 [2023-11-19 05:15:24,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:24,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:24,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:24,600 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:24,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:24,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i [2023-11-19 05:15:27,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:28,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:28,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i [2023-11-19 05:15:28,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/data/2ee013da5/9b34796679b04c0a92b44f75758187c2/FLAG3e66f7c3d [2023-11-19 05:15:28,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/data/2ee013da5/9b34796679b04c0a92b44f75758187c2 [2023-11-19 05:15:28,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:28,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:28,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:28,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:28,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:28,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176dba9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28, skipping insertion in model container [2023-11-19 05:15:28,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,200 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:28,362 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_23195d54-442d-43b6-8e2a-557d2be4475a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i[916,929] [2023-11-19 05:15:28,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:28,472 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:28,485 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_23195d54-442d-43b6-8e2a-557d2be4475a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i[916,929] [2023-11-19 05:15:28,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:28,576 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:28,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28 WrapperNode [2023-11-19 05:15:28,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:28,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:28,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:28,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:28,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,669 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-19 05:15:28,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:28,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:28,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:28,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:28,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:28,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:28,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:28,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:28,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (1/1) ... [2023-11-19 05:15:28,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:28,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:28,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:28,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:15:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:15:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:15:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:28,944 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:28,946 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:29,577 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:29,953 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:29,953 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:15:29,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:29 BoogieIcfgContainer [2023-11-19 05:15:29,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:29,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:29,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:29,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:29,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:28" (1/3) ... [2023-11-19 05:15:29,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfd22a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:29, skipping insertion in model container [2023-11-19 05:15:29,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:28" (2/3) ... [2023-11-19 05:15:29,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfd22a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:29, skipping insertion in model container [2023-11-19 05:15:29,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:29" (3/3) ... [2023-11-19 05:15:29,995 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-97.i [2023-11-19 05:15:30,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:30,017 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:15:30,140 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:15:30,148 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;@174d38c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:15:30,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:15:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:15:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 05:15:30,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:30,168 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:30,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:30,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:30,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1882237545, now seen corresponding path program 1 times [2023-11-19 05:15:30,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:30,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619440648] [2023-11-19 05:15:30,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:30,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:30,383 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:15:30,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1840743842] [2023-11-19 05:15:30,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:30,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:15:30,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:30,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:15:30,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:15:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:15:30,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:15:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:15:31,037 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:15:31,040 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:15:31,041 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:15:31,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:15:31,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:15:31,258 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:15:31,262 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:15:31,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:15:31 BoogieIcfgContainer [2023-11-19 05:15:31,371 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:15:31,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:15:31,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:15:31,372 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:15:31,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:29" (3/4) ... [2023-11-19 05:15:31,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:15:31,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:15:31,378 INFO L158 Benchmark]: Toolchain (without parser) took 3237.53ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 107.5MB in the beginning and 103.5MB in the end (delta: 4.1MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-19 05:15:31,379 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 65.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:31,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.12ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 91.3MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:15:31,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.04ms. Allocated memory is still 153.1MB. Free memory was 91.3MB in the beginning and 86.5MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:15:31,381 INFO L158 Benchmark]: Boogie Preprocessor took 48.75ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:15:31,381 INFO L158 Benchmark]: RCFGBuilder took 1240.39ms. Allocated memory is still 153.1MB. Free memory was 84.4MB in the beginning and 61.9MB in the end (delta: 22.5MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-19 05:15:31,382 INFO L158 Benchmark]: TraceAbstraction took 1407.95ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 61.9MB in the beginning and 103.5MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:31,383 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 184.5MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:31,386 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 65.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.12ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 91.3MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.04ms. Allocated memory is still 153.1MB. Free memory was 91.3MB in the beginning and 86.5MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.75ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1240.39ms. Allocated memory is still 153.1MB. Free memory was 84.4MB in the beginning and 61.9MB in the end (delta: 22.5MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1407.95ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 61.9MB in the beginning and 103.5MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 184.5MB. Free memory is still 103.5MB. 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 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someUnaryDOUBLEoperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 4; [L23] unsigned char var_1_2 = 0; [L24] unsigned long int var_1_7 = 2819353023; [L25] signed short int var_1_9 = 25; [L26] signed short int var_1_10 = 25; [L27] signed short int var_1_11 = 0; [L28] float var_1_12 = 255.8; [L29] unsigned char var_1_14 = 200; [L30] unsigned char var_1_15 = 5; [L31] unsigned char var_1_16 = 4; [L32] float var_1_17 = 99999.5; [L33] float var_1_18 = 63.4; [L34] double var_1_19 = 63.5; [L35] double var_1_20 = 9.95; [L36] double var_1_21 = 5.7; [L37] double var_1_22 = 3.85; [L38] unsigned char var_1_23 = 1; [L39] unsigned char var_1_24 = 0; [L40] unsigned long int var_1_25 = 0; [L41] unsigned long int var_1_26 = 16; [L42] unsigned long int var_1_27 = 1840944138; [L43] unsigned short int var_1_28 = 0; [L44] float var_1_29 = 1.1; [L45] signed char var_1_30 = 25; [L46] unsigned char last_1_var_1_23 = 1; [L47] float last_1_var_1_29 = 1.1; [L192] isInitial = 1 [L193] FCALL initially() [L194] int k_loop; [L195] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=0, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L195] COND TRUE k_loop < 1 [L196] CALL updateLastVariables() [L184] last_1_var_1_23 = var_1_23 [L185] last_1_var_1_29 = var_1_29 [L196] RET updateLastVariables() [L197] CALL updateVariables() [L144] var_1_2 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L146] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L147] var_1_7 = __VERIFIER_nondet_ulong() [L148] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L149] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L150] var_1_10 = __VERIFIER_nondet_short() [L151] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L152] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L153] var_1_11 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L155] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L156] var_1_14 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_14 >= 191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_14 >= 191) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L158] CALL assume_abort_if_not(var_1_14 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 <= 255) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L159] var_1_15 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L161] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L162] var_1_16 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L164] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L165] var_1_17 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L167] var_1_18 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L169] var_1_20 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L171] var_1_21 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L173] var_1_24 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L175] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L176] var_1_26 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L178] CALL assume_abort_if_not(var_1_26 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_26 <= 536870912) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L179] var_1_27 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_27 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_27 >= 1073741823) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L181] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=4, var_1_20=2, var_1_21=3, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1073741823, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L197] RET updateVariables() [L198] CALL step() [L51] COND TRUE var_1_21 < (256.8 - var_1_20) [L52] var_1_22 = ((((var_1_18) < (var_1_17)) ? (var_1_18) : (var_1_17))) [L56] COND TRUE ((((4.8f) < 0 ) ? -(4.8f) : (4.8f))) == var_1_18 [L57] var_1_23 = (last_1_var_1_23 && (var_1_2 && var_1_24)) [L61] unsigned long int stepLocal_5 = var_1_26; [L62] COND FALSE !(stepLocal_5 < var_1_11) [L69] var_1_28 = var_1_11 [L71] COND TRUE last_1_var_1_29 > 1.9 [L72] var_1_29 = var_1_20 [L76] unsigned char stepLocal_6 = var_1_14; [L77] COND TRUE var_1_28 >= stepLocal_6 [L78] var_1_30 = ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) [L84] COND FALSE !((var_1_28 <= (var_1_28 / var_1_7)) || var_1_23) [L87] COND FALSE !(var_1_23 || var_1_23) [L90] var_1_9 = -8 [L93] COND TRUE var_1_22 < var_1_17 [L94] var_1_25 = (var_1_16 + ((var_1_14 + var_1_28) + var_1_11)) [L98] signed long int stepLocal_4 = (((var_1_16 - var_1_14) < 0 ) ? -(var_1_16 - var_1_14) : (var_1_16 - var_1_14)); [L99] signed long int stepLocal_3 = 64; [L100] COND TRUE var_1_16 >= stepLocal_3 [L101] COND FALSE !(var_1_22 != var_1_17) [L111] COND TRUE var_1_23 || (var_1_19 < var_1_19) [L112] COND FALSE !(((var_1_14 - var_1_15) - var_1_16) > var_1_10) [L115] var_1_12 = var_1_18 [L120] unsigned short int stepLocal_2 = var_1_28; [L121] unsigned char stepLocal_1 = var_1_23; [L122] unsigned long int stepLocal_0 = var_1_7 - var_1_28; [L123] COND FALSE !(stepLocal_1 && var_1_23) [L128] COND FALSE !(stepLocal_0 <= ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) [L139] var_1_1 = var_1_28 [L198] RET step() [L199] CALL, EXPR property() [L188-L189] return ((((((((((var_1_23 && var_1_23) ? ((var_1_12 == var_1_22) ? (var_1_1 == ((unsigned long int) (var_1_28 + 10u))) : 1) : (((var_1_7 - var_1_28) <= ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? ((var_1_22 != var_1_12) ? ((var_1_7 < var_1_28) ? (var_1_1 == ((unsigned long int) var_1_28)) : (var_1_1 == ((unsigned long int) var_1_28))) : (var_1_1 == ((unsigned long int) var_1_28))) : (var_1_1 == ((unsigned long int) var_1_28)))) && (((var_1_28 <= (var_1_28 / var_1_7)) || var_1_23) ? (var_1_9 == ((signed short int) (var_1_10 - var_1_11))) : ((var_1_23 || var_1_23) ? (var_1_9 == ((signed short int) var_1_11)) : (var_1_9 == ((signed short int) -8))))) && ((var_1_23 || (var_1_19 < var_1_19)) ? ((((var_1_14 - var_1_15) - var_1_16) > var_1_10) ? (var_1_12 == ((float) (var_1_17 + var_1_18))) : (var_1_12 == ((float) var_1_18))) : (var_1_12 == ((float) var_1_17)))) && ((var_1_16 >= 64) ? ((var_1_22 != var_1_17) ? (var_1_19 == ((double) var_1_17)) : 1) : ((var_1_25 > ((((var_1_16 - var_1_14) < 0 ) ? -(var_1_16 - var_1_14) : (var_1_16 - var_1_14)))) ? (var_1_19 == ((double) (((((((((499.698) > (var_1_20)) ? (499.698) : (var_1_20))) - var_1_21)) < (var_1_17)) ? ((((((499.698) > (var_1_20)) ? (499.698) : (var_1_20))) - var_1_21)) : (var_1_17))))) : (var_1_19 == ((double) 9.2))))) && ((var_1_21 < (256.8 - var_1_20)) ? (var_1_22 == ((double) ((((var_1_18) < (var_1_17)) ? (var_1_18) : (var_1_17))))) : (var_1_22 == ((double) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))))) && ((((((4.8f) < 0 ) ? -(4.8f) : (4.8f))) == var_1_18) ? (var_1_23 == ((unsigned char) (last_1_var_1_23 && (var_1_2 && var_1_24)))) : (var_1_23 == ((unsigned char) var_1_24)))) && ((var_1_22 < var_1_17) ? (var_1_25 == ((unsigned long int) (var_1_16 + ((var_1_14 + var_1_28) + var_1_11)))) : (var_1_25 == ((unsigned long int) ((var_1_27 - var_1_16) + var_1_15))))) && ((var_1_26 < var_1_11) ? (var_1_24 ? (var_1_28 == ((unsigned short int) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (var_1_14)) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (var_1_14))))) : (var_1_28 == ((unsigned short int) ((((var_1_14) < (var_1_11)) ? (var_1_14) : (var_1_11)))))) : (var_1_28 == ((unsigned short int) var_1_11)))) && ((last_1_var_1_29 > 1.9) ? (var_1_29 == ((float) var_1_20)) : (var_1_29 == ((float) ((((var_1_21 - var_1_20) < 0 ) ? -(var_1_21 - var_1_20) : (var_1_21 - var_1_20))))))) && ((var_1_28 >= var_1_14) ? (var_1_30 == ((signed char) ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))))) : ((! var_1_23) ? (var_1_30 == ((signed char) ((((-1) < 0 ) ? -(-1) : (-1))))) : 1)) ; [L199] RET, EXPR property() [L199] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=4, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=191, var_1_20=2, var_1_21=3, var_1_22=4, var_1_23=0, var_1_24=0, var_1_25=700, var_1_26=191, var_1_27=1073741823, var_1_28=191, var_1_29=2, var_1_2=1, var_1_30=64, var_1_7=2147483647, var_1_9=-8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=0, var_1_11=191, var_1_12=4, var_1_14=191, var_1_15=64, var_1_16=127, var_1_17=127/2, var_1_18=4, var_1_19=127/2, var_1_1=191, var_1_20=2, var_1_21=3, var_1_22=4, var_1_23=0, var_1_24=0, var_1_25=700, var_1_26=191, var_1_27=1073741823, var_1_28=191, var_1_29=2, var_1_2=1, var_1_30=64, var_1_7=2147483647, var_1_9=-8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 24, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 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 [2023-11-19 05:15:31,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ --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 0bd598c6ab4eb0f85d075cd68c94871d585d0d9cc55a581ea912a4da97c7f3b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:34,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:34,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:15:34,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:34,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:34,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:34,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:34,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:34,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:34,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:34,411 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:34,411 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:34,412 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:34,413 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:34,414 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:34,414 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:34,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:34,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:34,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:15:34,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:15:34,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:34,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:34,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:34,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:34,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:15:34,421 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:15:34,421 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:15:34,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:15:34,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:34,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:34,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:34,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:15:34,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:34,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:34,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:34,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:34,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:34,426 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:15:34,426 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:15:34,427 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:34,428 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:34,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:34,429 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_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bd598c6ab4eb0f85d075cd68c94871d585d0d9cc55a581ea912a4da97c7f3b7 [2023-11-19 05:15:34,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:34,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:34,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:34,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:34,882 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:34,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i [2023-11-19 05:15:38,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:38,455 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:38,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i [2023-11-19 05:15:38,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/data/54b941eb2/d6d068a86d47453cbdb803e54f4fc272/FLAGa537cd6eb [2023-11-19 05:15:38,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/data/54b941eb2/d6d068a86d47453cbdb803e54f4fc272 [2023-11-19 05:15:38,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:38,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:38,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:38,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:38,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:38,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc9a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:38, skipping insertion in model container [2023-11-19 05:15:38,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:38" (1/1) ... [2023-11-19 05:15:38,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:38,735 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_23195d54-442d-43b6-8e2a-557d2be4475a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i[916,929] [2023-11-19 05:15:38,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:38,886 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:38,903 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_23195d54-442d-43b6-8e2a-557d2be4475a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-97.i[916,929] [2023-11-19 05:15:38,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:39,007 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:39,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39 WrapperNode [2023-11-19 05:15:39,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:39,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:39,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:39,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:39,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,096 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-19 05:15:39,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:39,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:39,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:39,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:39,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:39,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:39,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:39,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:39,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (1/1) ... [2023-11-19 05:15:39,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:39,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:39,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:39,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:39,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:15:39,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:15:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:15:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:39,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:39,404 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:39,407 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:47,260 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:47,270 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:47,270 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:15:47,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:47 BoogieIcfgContainer [2023-11-19 05:15:47,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:47,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:47,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:47,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:47,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:38" (1/3) ... [2023-11-19 05:15:47,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5492b297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:47, skipping insertion in model container [2023-11-19 05:15:47,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:39" (2/3) ... [2023-11-19 05:15:47,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5492b297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:47, skipping insertion in model container [2023-11-19 05:15:47,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:47" (3/3) ... [2023-11-19 05:15:47,285 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-97.i [2023-11-19 05:15:47,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:47,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:15:47,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:15:47,367 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;@3de139f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:15:47,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:15:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:15:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 05:15:47,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:47,398 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:47,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:47,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:47,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1945232597, now seen corresponding path program 1 times [2023-11-19 05:15:47,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:15:47,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242480164] [2023-11-19 05:15:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:47,419 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 [2023-11-19 05:15:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:15:47,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:15:47,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:15:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:48,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:15:48,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:15:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 05:15:48,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:15:48,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:15:48,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242480164] [2023-11-19 05:15:48,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242480164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:48,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:48,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:15:48,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355860663] [2023-11-19 05:15:48,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:48,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:15:48,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:15:48,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:15:48,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:15:48,321 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:15:48,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:48,356 INFO L93 Difference]: Finished difference Result 161 states and 277 transitions. [2023-11-19 05:15:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:15:48,358 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159 [2023-11-19 05:15:48,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:48,367 INFO L225 Difference]: With dead ends: 161 [2023-11-19 05:15:48,367 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 05:15:48,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:15:48,376 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:48,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:15:48,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 05:15:48,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-19 05:15:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:15:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2023-11-19 05:15:48,428 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 159 [2023-11-19 05:15:48,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:48,429 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2023-11-19 05:15:48,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:15:48,430 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2023-11-19 05:15:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 05:15:48,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:48,435 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:48,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:15:48,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:15:48,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:48,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:48,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1598926285, now seen corresponding path program 1 times [2023-11-19 05:15:48,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:15:48,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451798733] [2023-11-19 05:15:48,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:48,651 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 [2023-11-19 05:15:48,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:15:48,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:15:48,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:15:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:49,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:15:49,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:15:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 05:15:52,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:15:52,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:15:52,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451798733] [2023-11-19 05:15:52,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451798733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:52,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:52,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:15:52,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590401139] [2023-11-19 05:15:52,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:52,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:15:52,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:15:52,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:15:52,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:15:52,823 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:15:58,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:00,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:02,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:05,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:09,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:11,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:11,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:11,379 INFO L93 Difference]: Finished difference Result 229 states and 358 transitions. [2023-11-19 05:16:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:16:11,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2023-11-19 05:16:11,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:11,388 INFO L225 Difference]: With dead ends: 229 [2023-11-19 05:16:11,389 INFO L226 Difference]: Without dead ends: 154 [2023-11-19 05:16:11,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:16:11,392 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 76 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 49 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:11,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 290 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 65 Invalid, 4 Unknown, 0 Unchecked, 18.5s Time] [2023-11-19 05:16:11,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-19 05:16:11,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 128. [2023-11-19 05:16:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 05:16:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 198 transitions. [2023-11-19 05:16:11,431 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 198 transitions. Word has length 159 [2023-11-19 05:16:11,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:11,433 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 198 transitions. [2023-11-19 05:16:11,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:16:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 198 transitions. [2023-11-19 05:16:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 05:16:11,437 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:11,437 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:11,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:16:11,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:16:11,655 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:11,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:11,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1674972657, now seen corresponding path program 1 times [2023-11-19 05:16:11,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:16:11,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180882378] [2023-11-19 05:16:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:11,657 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 [2023-11-19 05:16:11,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:16:11,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:16:11,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:16:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:12,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:16:12,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:16:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2023-11-19 05:16:13,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:16:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 05:16:13,953 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:16:13,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180882378] [2023-11-19 05:16:13,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180882378] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:16:13,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1994190231] [2023-11-19 05:16:13,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:13,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:16:13,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:16:13,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:16:13,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:16:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:15,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:16:15,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:16:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 05:16:15,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:16:15,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1994190231] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:15,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:16:15,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7] total 9 [2023-11-19 05:16:15,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040407253] [2023-11-19 05:16:15,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:15,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:16:15,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:16:15,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:16:15,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:16:15,174 INFO L87 Difference]: Start difference. First operand 128 states and 198 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:16:18,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:20,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:16:20,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:20,301 INFO L93 Difference]: Finished difference Result 268 states and 416 transitions. [2023-11-19 05:16:20,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:16:20,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2023-11-19 05:16:20,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:20,309 INFO L225 Difference]: With dead ends: 268 [2023-11-19 05:16:20,309 INFO L226 Difference]: Without dead ends: 193 [2023-11-19 05:16:20,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 465 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:16:20,312 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 94 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:16:20,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 301 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2023-11-19 05:16:20,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-19 05:16:20,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 137. [2023-11-19 05:16:20,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 05:16:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 211 transitions. [2023-11-19 05:16:20,341 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 211 transitions. Word has length 159 [2023-11-19 05:16:20,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:20,343 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 211 transitions. [2023-11-19 05:16:20,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:16:20,343 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 211 transitions. [2023-11-19 05:16:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 05:16:20,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:20,346 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:20,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:16:20,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:16:20,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:16:20,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:20,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:20,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1924323327, now seen corresponding path program 1 times [2023-11-19 05:16:20,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:16:20,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375810543] [2023-11-19 05:16:20,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:20,766 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 [2023-11-19 05:16:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:16:20,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:16:20,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23195d54-442d-43b6-8e2a-557d2be4475a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:16:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:21,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 05:16:21,521 INFO L285 TraceCheckSpWp]: Computing forward predicates...