./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.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_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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_a9a3384f-00be-4652-834b-405d52b795c9/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 44de77de34b304b66adb966724182e50eb80f224705e17f8fba1754b6f5e2a38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:27,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:27,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:16:27,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:27,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:27,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:27,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:27,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:27,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:27,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:27,174 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:27,174 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:27,175 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:27,175 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:27,176 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:27,176 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:27,177 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:27,177 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:27,178 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:27,178 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:27,179 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:27,179 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:27,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:27,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:27,181 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:27,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:27,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:27,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:27,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:27,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:27,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:27,184 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:27,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:27,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:27,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:27,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:27,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:27,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:27,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:27,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:27,186 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:27,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:27,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:27,187 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:27,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:27,187 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_a9a3384f-00be-4652-834b-405d52b795c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44de77de34b304b66adb966724182e50eb80f224705e17f8fba1754b6f5e2a38 [2023-11-19 05:16:27,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:27,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:27,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:27,465 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:27,466 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:27,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-11-19 05:16:30,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:31,018 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:31,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-11-19 05:16:31,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/data/2821b9cc3/960aa40d7aa446e4abc406c53f7d7d4d/FLAG581e95a39 [2023-11-19 05:16:31,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/data/2821b9cc3/960aa40d7aa446e4abc406c53f7d7d4d [2023-11-19 05:16:31,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:31,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:31,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:31,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:31,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:31,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8a467f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31, skipping insertion in model container [2023-11-19 05:16:31,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:31,254 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_a9a3384f-00be-4652-834b-405d52b795c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-11-19 05:16:31,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:31,343 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:31,354 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_a9a3384f-00be-4652-834b-405d52b795c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-11-19 05:16:31,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:31,425 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:31,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31 WrapperNode [2023-11-19 05:16:31,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:31,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:31,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:31,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:31,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,503 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-19 05:16:31,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:31,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:31,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:31,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:31,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:31,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:31,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:31,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:31,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (1/1) ... [2023-11-19 05:16:31,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:31,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:31,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:31,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:31,810 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:31,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:32,339 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:32,568 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:32,568 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:16:32,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:32 BoogieIcfgContainer [2023-11-19 05:16:32,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:32,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:32,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:32,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:32,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:31" (1/3) ... [2023-11-19 05:16:32,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc69c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:32, skipping insertion in model container [2023-11-19 05:16:32,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:31" (2/3) ... [2023-11-19 05:16:32,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc69c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:32, skipping insertion in model container [2023-11-19 05:16:32,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:32" (3/3) ... [2023-11-19 05:16:32,585 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-28.i [2023-11-19 05:16:32,609 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:32,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:32,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:32,684 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;@1b5a2552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:32,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:32,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:16:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 05:16:32,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:32,707 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:32,708 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:32,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:32,715 INFO L85 PathProgramCache]: Analyzing trace with hash -838779725, now seen corresponding path program 1 times [2023-11-19 05:16:32,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:32,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961311129] [2023-11-19 05:16:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:32,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:33,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:16:33,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321000788] [2023-11-19 05:16:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:33,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:16:33,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:33,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:16:33,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:16:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:33,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:16:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:34,131 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:16:34,134 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:16:34,135 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:16:34,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:16:34,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:16:34,349 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:16:34,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:16:34,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:16:34 BoogieIcfgContainer [2023-11-19 05:16:34,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:16:34,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:16:34,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:16:34,499 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:16:34,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:32" (3/4) ... [2023-11-19 05:16:34,502 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:16:34,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:16:34,504 INFO L158 Benchmark]: Toolchain (without parser) took 3442.76ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 93.0MB in the beginning and 137.9MB in the end (delta: -44.9MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-19 05:16:34,505 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:34,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.59ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 77.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:16:34,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.93ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 71.5MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:16:34,513 INFO L158 Benchmark]: Boogie Preprocessor took 54.38ms. Allocated memory is still 132.1MB. Free memory was 71.5MB in the beginning and 69.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:16:34,514 INFO L158 Benchmark]: RCFGBuilder took 1014.82ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 69.0MB in the beginning and 121.0MB in the end (delta: -52.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-11-19 05:16:34,515 INFO L158 Benchmark]: TraceAbstraction took 1919.99ms. Allocated memory is still 197.1MB. Free memory was 120.1MB in the beginning and 139.0MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:34,515 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 197.1MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:34,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.59ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 77.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.93ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 71.5MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.38ms. Allocated memory is still 132.1MB. Free memory was 71.5MB in the beginning and 69.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1014.82ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 69.0MB in the beginning and 121.0MB in the end (delta: -52.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1919.99ms. Allocated memory is still 197.1MB. Free memory was 120.1MB in the beginning and 139.0MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 197.1MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 137, overapproximation of shiftLeft at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_6 = 4; [L24] unsigned char var_1_7 = 2; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 100; [L28] signed short int var_1_11 = 10; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 0; [L32] signed long int var_1_15 = 128; [L33] unsigned char var_1_16 = 128; [L34] unsigned char var_1_17 = 5; [L35] double var_1_18 = 3.6; [L36] double var_1_19 = 31.45; [L37] float var_1_20 = 50.25; [L38] float var_1_21 = 9.8; [L39] float var_1_22 = 4.65; [L40] float var_1_23 = 99.65; [L41] unsigned short int last_1_var_1_1 = 4; [L42] unsigned char last_1_var_1_6 = 4; [L43] signed short int last_1_var_1_11 = 10; [L44] signed long int last_1_var_1_15 = 128; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] CALL updateLastVariables() [L131] last_1_var_1_1 = var_1_1 [L132] last_1_var_1_6 = var_1_6 [L133] last_1_var_1_11 = var_1_11 [L134] last_1_var_1_15 = var_1_15 [L144] RET updateLastVariables() [L145] CALL updateVariables() [L94] var_1_7 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=128, var_1_9=0] [L97] var_1_8 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L100] var_1_9 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L103] var_1_10 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L106] var_1_12 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L109] var_1_13 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L112] var_1_14 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L115] var_1_16 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L118] var_1_17 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L121] var_1_19 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L123] var_1_21 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L125] var_1_22 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=1993/20, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L127] var_1_23 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=127, var_1_17=120, var_1_18=18/5, var_1_19=2, var_1_1=4, var_1_20=201/4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_6=4, var_1_7=0, var_1_8=1, var_1_9=0] [L145] RET updateVariables() [L146] CALL step() [L48] COND FALSE !(\read(var_1_12)) [L59] var_1_11 = last_1_var_1_11 [L61] COND TRUE last_1_var_1_1 < 5 [L62] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) [L66] COND FALSE !(var_1_11 <= var_1_6) [L69] COND TRUE \read(var_1_13) [L70] COND FALSE !(\read(var_1_14)) [L75] COND FALSE !(var_1_6 <= 0) [L78] var_1_20 = var_1_22 [L84] COND FALSE !(var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) [L87] var_1_15 = var_1_11 [L89] EXPR 200 << var_1_15 [L89] COND TRUE ((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1 [L90] var_1_18 = var_1_19 [L146] RET step() [L147] CALL, EXPR property() [L137] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) [L137] EXPR 200 << var_1_15 [L137] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) [L137-L138] return ((((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_6 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=10, var_1_16=127, var_1_17=120, var_1_18=2, var_1_19=2, var_1_1=4, var_1_20=4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_6=9, var_1_7=0, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=10, var_1_16=127, var_1_17=120, var_1_18=2, var_1_19=2, var_1_1=4, var_1_20=4, var_1_21=3, var_1_22=4, var_1_23=5, var_1_6=9, var_1_7=0, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 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 05:16:34,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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_a9a3384f-00be-4652-834b-405d52b795c9/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 44de77de34b304b66adb966724182e50eb80f224705e17f8fba1754b6f5e2a38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:37,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:37,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:16:37,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:37,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:37,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:37,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:37,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:37,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:37,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:37,388 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:37,388 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:37,389 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:37,390 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:37,391 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:37,391 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:37,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:37,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:37,394 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:37,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:37,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:37,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:37,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:37,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:37,396 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:16:37,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:16:37,397 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:16:37,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:37,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:37,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:37,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:37,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:16:37,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:37,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:37,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:37,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:37,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:37,403 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:16:37,403 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:16:37,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:37,404 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:37,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:37,405 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_a9a3384f-00be-4652-834b-405d52b795c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44de77de34b304b66adb966724182e50eb80f224705e17f8fba1754b6f5e2a38 [2023-11-19 05:16:37,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:37,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:37,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:37,827 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:37,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:37,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-11-19 05:16:40,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:41,213 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:41,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-11-19 05:16:41,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/data/e61b71810/3a9de5002bff48fc8d3590db6dba907f/FLAGc41ba0d57 [2023-11-19 05:16:41,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/data/e61b71810/3a9de5002bff48fc8d3590db6dba907f [2023-11-19 05:16:41,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:41,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:41,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:41,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:41,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:41,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecd14f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41, skipping insertion in model container [2023-11-19 05:16:41,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:41,476 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_a9a3384f-00be-4652-834b-405d52b795c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-11-19 05:16:41,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:41,556 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:41,569 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_a9a3384f-00be-4652-834b-405d52b795c9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-11-19 05:16:41,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:41,651 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:41,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41 WrapperNode [2023-11-19 05:16:41,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:41,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:41,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:41,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:41,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,715 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2023-11-19 05:16:41,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:41,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:41,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:41,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:41,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:41,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:41,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:41,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:41,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (1/1) ... [2023-11-19 05:16:41,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:41,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:41,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:16:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:41,976 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:41,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:43,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:43,238 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:43,239 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:16:43,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:43 BoogieIcfgContainer [2023-11-19 05:16:43,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:43,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:43,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:43,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:43,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:41" (1/3) ... [2023-11-19 05:16:43,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575a56c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:43, skipping insertion in model container [2023-11-19 05:16:43,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:41" (2/3) ... [2023-11-19 05:16:43,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575a56c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:43, skipping insertion in model container [2023-11-19 05:16:43,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:43" (3/3) ... [2023-11-19 05:16:43,257 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-28.i [2023-11-19 05:16:43,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:43,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:43,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:43,334 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;@485ea34b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:43,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:16:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-19 05:16:43,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:43,370 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:43,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:43,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:43,382 INFO L85 PathProgramCache]: Analyzing trace with hash 620439717, now seen corresponding path program 1 times [2023-11-19 05:16:43,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:16:43,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156051187] [2023-11-19 05:16:43,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:43,413 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 05:16:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:16:43,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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 05:16:43,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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 05:16:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:43,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:16:43,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:16:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-19 05:16:43,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:16:43,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:16:43,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156051187] [2023-11-19 05:16:43,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156051187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:16:43,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:16:43,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:16:43,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642066913] [2023-11-19 05:16:43,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:16:43,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:16:43,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:16:44,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:16:44,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:16:44,039 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:16:44,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:16:44,069 INFO L93 Difference]: Finished difference Result 123 states and 216 transitions. [2023-11-19 05:16:44,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:16:44,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2023-11-19 05:16:44,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:16:44,079 INFO L225 Difference]: With dead ends: 123 [2023-11-19 05:16:44,080 INFO L226 Difference]: Without dead ends: 61 [2023-11-19 05:16:44,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 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 05:16:44,088 INFO L413 NwaCegarLoop]: 93 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, 93 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 05:16:44,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:16:44,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-19 05:16:44,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-19 05:16:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:16:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 93 transitions. [2023-11-19 05:16:44,142 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 93 transitions. Word has length 138 [2023-11-19 05:16:44,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:16:44,142 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 93 transitions. [2023-11-19 05:16:44,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:16:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2023-11-19 05:16:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-19 05:16:44,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:44,147 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:44,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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 05:16:44,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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 05:16:44,356 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:44,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:44,357 INFO L85 PathProgramCache]: Analyzing trace with hash 526157149, now seen corresponding path program 1 times [2023-11-19 05:16:44,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:16:44,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282812425] [2023-11-19 05:16:44,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:44,361 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 05:16:44,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:16:44,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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 05:16:44,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a3384f-00be-4652-834b-405d52b795c9/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 05:16:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:16:44,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:16:44,795 INFO L285 TraceCheckSpWp]: Computing forward predicates...