./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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_ed3ce93a-ecee-4a61-be96-da9c272c8387/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 e5900adef742c9bfa7a4740bfd6257cd40ef26644b367767fd6845fd72b79bbd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:27,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:27,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:54:27,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:27,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:27,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:27,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:27,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:27,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:27,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:27,528 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:27,529 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:27,530 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:27,531 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:54:27,532 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:27,532 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:27,533 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:54:27,533 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:54:27,534 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:27,534 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:54:27,535 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:54:27,535 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:54:27,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:27,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:54:27,537 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:54:27,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:54:27,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:54:27,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:27,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:54:27,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:27,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:54:27,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:54:27,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:54:27,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:27,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:27,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:27,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:27,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:27,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:27,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:54:27,553 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:54:27,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:54:27,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:54:27,554 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:27,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:27,555 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_ed3ce93a-ecee-4a61-be96-da9c272c8387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5900adef742c9bfa7a4740bfd6257cd40ef26644b367767fd6845fd72b79bbd [2023-11-19 04:54:27,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:27,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:27,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:27,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:27,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:27,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i [2023-11-19 04:54:31,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:54:31,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:54:31,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i [2023-11-19 04:54:31,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/data/402e03de8/1c0bc15d600d4f00acb7d47f03d18ee2/FLAG6972902f9 [2023-11-19 04:54:31,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/data/402e03de8/1c0bc15d600d4f00acb7d47f03d18ee2 [2023-11-19 04:54:31,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:54:31,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:54:31,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:31,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:54:31,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:54:31,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:31,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc4fd2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31, skipping insertion in model container [2023-11-19 04:54:31,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:31,461 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:54:31,610 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_ed3ce93a-ecee-4a61-be96-da9c272c8387/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i[916,929] [2023-11-19 04:54:31,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:31,744 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:54:31,765 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_ed3ce93a-ecee-4a61-be96-da9c272c8387/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i[916,929] [2023-11-19 04:54:31,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:31,868 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:54:31,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31 WrapperNode [2023-11-19 04:54:31,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:31,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:31,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:54:31,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:54:31,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:31,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:31,976 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 231 [2023-11-19 04:54:31,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:31,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:54:31,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:54:31,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:54:31,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:31,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:32,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:32,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:32,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:32,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:32,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:32,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:32,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:54:32,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:54:32,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:54:32,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:54:32,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (1/1) ... [2023-11-19 04:54:32,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:32,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:54:32,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:54:32,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:54:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:54:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:54:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:54:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:54:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:54:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:54:32,338 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:54:32,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:54:33,098 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:54:33,549 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:54:33,550 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:54:33,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:33 BoogieIcfgContainer [2023-11-19 04:54:33,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:54:33,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:54:33,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:54:33,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:54:33,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:54:31" (1/3) ... [2023-11-19 04:54:33,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afb3c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:33, skipping insertion in model container [2023-11-19 04:54:33,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:31" (2/3) ... [2023-11-19 04:54:33,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afb3c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:33, skipping insertion in model container [2023-11-19 04:54:33,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:33" (3/3) ... [2023-11-19 04:54:33,571 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-53.i [2023-11-19 04:54:33,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:54:33,593 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:54:33,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:54:33,680 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;@7cc04e2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:54:33,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:54:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:54:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 04:54:33,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:33,703 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:33,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:33,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:33,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1818393522, now seen corresponding path program 1 times [2023-11-19 04:54:33,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:33,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827927694] [2023-11-19 04:54:33,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:33,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:34,016 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:54:34,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160889367] [2023-11-19 04:54:34,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:34,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:54:34,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:54:34,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:54:34,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:54:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:54:34,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:54:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:54:35,058 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:54:35,061 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:54:35,062 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:54:35,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 04:54:35,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:54:35,277 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:54:35,281 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:54:35,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:54:35 BoogieIcfgContainer [2023-11-19 04:54:35,434 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:54:35,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:54:35,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:54:35,435 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:54:35,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:33" (3/4) ... [2023-11-19 04:54:35,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:54:35,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:54:35,441 INFO L158 Benchmark]: Toolchain (without parser) took 4050.64ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 90.5MB in the beginning and 71.3MB in the end (delta: 19.3MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2023-11-19 04:54:35,441 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:54:35,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.04ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 72.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:54:35,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.28ms. Allocated memory is still 136.3MB. Free memory was 72.6MB in the beginning and 64.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:54:35,449 INFO L158 Benchmark]: Boogie Preprocessor took 112.15ms. Allocated memory is still 136.3MB. Free memory was 64.3MB in the beginning and 60.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:54:35,451 INFO L158 Benchmark]: RCFGBuilder took 1466.51ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 60.8MB in the beginning and 125.9MB in the end (delta: -65.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2023-11-19 04:54:35,451 INFO L158 Benchmark]: TraceAbstraction took 1873.90ms. Allocated memory is still 180.4MB. Free memory was 124.8MB in the beginning and 71.3MB in the end (delta: 53.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-19 04:54:35,452 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 180.4MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:54:35,461 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 136.3MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.04ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 72.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.28ms. Allocated memory is still 136.3MB. Free memory was 72.6MB in the beginning and 64.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.15ms. Allocated memory is still 136.3MB. Free memory was 64.3MB in the beginning and 60.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1466.51ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 60.8MB in the beginning and 125.9MB in the end (delta: -65.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1873.90ms. Allocated memory is still 180.4MB. Free memory was 124.8MB in the beginning and 71.3MB in the end (delta: 53.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 180.4MB. Free memory is still 71.3MB. 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 193, overapproximation of bitwiseOr at line 101, overapproximation of someUnaryDOUBLEoperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryArithmeticFLOAToperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -100; [L23] unsigned char var_1_2 = 200; [L24] unsigned char var_1_3 = 100; [L25] unsigned char var_1_4 = 8; [L26] unsigned char var_1_7 = 16; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 0; [L33] unsigned short int var_1_17 = 256; [L34] signed short int var_1_19 = -100; [L35] signed short int var_1_20 = 32; [L36] unsigned char var_1_21 = 1; [L37] signed short int var_1_23 = -256; [L38] float var_1_24 = -0.5; [L39] float var_1_25 = 255.8; [L40] float var_1_26 = 31.2; [L41] float var_1_27 = 0.5; [L42] unsigned char var_1_28 = 32; [L43] unsigned char var_1_29 = 64; [L44] unsigned short int var_1_30 = 16; [L45] double var_1_31 = 255.9; [L46] unsigned short int var_1_33 = 39141; [L47] unsigned short int var_1_34 = 52589; [L48] signed long int last_1_var_1_1 = -100; [L49] unsigned char last_1_var_1_7 = 16; [L50] unsigned short int last_1_var_1_17 = 256; [L51] signed short int last_1_var_1_19 = -100; [L52] signed short int last_1_var_1_20 = 32; [L53] signed short int last_1_var_1_23 = -256; [L54] unsigned char last_1_var_1_28 = 32; [L197] isInitial = 1 [L198] FCALL initially() [L199] int k_loop; [L200] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=200, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L200] COND TRUE k_loop < 1 [L201] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_7 = var_1_7 [L186] last_1_var_1_17 = var_1_17 [L187] last_1_var_1_19 = var_1_19 [L188] last_1_var_1_20 = var_1_20 [L189] last_1_var_1_23 = var_1_23 [L190] last_1_var_1_28 = var_1_28 [L201] RET updateLastVariables() [L202] CALL updateVariables() [L143] var_1_2 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L146] var_1_3 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_3 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_3 >= 63) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=8, var_1_7=16, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=8, var_1_7=16, var_1_9=0] [L149] var_1_4 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L152] var_1_12 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L154] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L155] var_1_13 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L157] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L158] var_1_15 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L161] var_1_16 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L164] var_1_25 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L166] var_1_26 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L168] var_1_27 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_27 >= -461168.6018427382800e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_27 >= -461168.6018427382800e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=64, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L170] var_1_29 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_29 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_29 >= 64) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L172] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L173] var_1_31 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L175] CALL assume_abort_if_not(var_1_31 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_31 != 0.0F) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L176] var_1_33 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L178] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=52589, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L179] var_1_34 = __VERIFIER_nondet_ushort() [L180] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=32767, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=32767, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L181] CALL assume_abort_if_not(var_1_34 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=32767, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_34 <= 65534) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=32767, var_1_3=127, var_1_4=33, var_1_7=16, var_1_9=0] [L202] RET updateVariables() [L203] CALL step() [L58] COND FALSE !((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) [L67] var_1_1 = var_1_2 [L69] unsigned char stepLocal_1 = last_1_var_1_28 < (var_1_3 - var_1_4); [L70] signed long int stepLocal_0 = last_1_var_1_28; [L71] COND TRUE stepLocal_1 || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1)) [L72] COND FALSE !(stepLocal_0 >= var_1_4) [L75] var_1_7 = var_1_4 [L80] unsigned char stepLocal_3 = var_1_4; [L81] signed long int stepLocal_2 = last_1_var_1_17; [L82] COND FALSE !(stepLocal_2 < ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) [L89] var_1_14 = var_1_15 [L91] var_1_24 = (var_1_25 + ((((var_1_26) < (var_1_27)) ? (var_1_26) : (var_1_27)))) [L92] COND TRUE ! var_1_12 [L93] var_1_28 = ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_29) - var_1_4) [L97] COND FALSE !((var_1_24 / var_1_31) > var_1_24) [L100] var_1_19 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_28)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_28))) [L101] EXPR var_1_4 ^ var_1_1 [L101] COND FALSE !(var_1_1 != (var_1_4 ^ var_1_1)) [L110] unsigned char stepLocal_6 = var_1_9; [L111] COND TRUE stepLocal_6 || (var_1_28 >= last_1_var_1_20) [L112] var_1_20 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) + var_1_4) [L116] unsigned char stepLocal_8 = var_1_28 > var_1_7; [L117] COND TRUE stepLocal_8 || var_1_14 [L118] var_1_23 = (((((var_1_3 + (var_1_2 - var_1_28))) < (var_1_4)) ? ((var_1_3 + (var_1_2 - var_1_28))) : (var_1_4))) [L122] unsigned char stepLocal_7 = ((((var_1_23) > (var_1_19)) ? (var_1_23) : (var_1_19))) <= 0; [L123] COND FALSE !(stepLocal_7 && var_1_13) [L128] signed short int stepLocal_5 = var_1_23; [L129] unsigned char stepLocal_4 = var_1_12; [L130] COND TRUE (var_1_28 / (2571661009u - var_1_2)) != stepLocal_5 [L131] COND FALSE !(stepLocal_4 && var_1_21) [L203] RET step() [L204] CALL, EXPR property() [L193] EXPR ((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1) [L193] EXPR var_1_4 ^ var_1_1 [L193] EXPR ((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1) [L193-L194] return (((((((((((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1)) && ((last_1_var_1_17 < ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) ? ((var_1_4 >= last_1_var_1_19) ? (var_1_14 == ((unsigned char) var_1_12)) : (var_1_14 == ((unsigned char) (var_1_15 && var_1_16)))) : (var_1_14 == ((unsigned char) var_1_15)))) && (((var_1_28 / (2571661009u - var_1_2)) != var_1_23) ? ((var_1_12 && var_1_21) ? (var_1_17 == ((unsigned short int) 2)) : 1) : (var_1_21 ? (var_1_17 == ((unsigned short int) var_1_7)) : (var_1_17 == ((unsigned short int) var_1_2))))) && (var_1_19 == ((signed short int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_28)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_28)))))) && ((var_1_9 || (var_1_28 >= last_1_var_1_20)) ? (var_1_20 == ((signed short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) + var_1_4))) : (var_1_20 == ((signed short int) (var_1_4 - (((((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3))) < 0 ) ? -((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3))) : ((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3)))))))))) && (((((((var_1_23) > (var_1_19)) ? (var_1_23) : (var_1_19))) <= 0) && var_1_13) ? (var_1_14 ? (var_1_21 == ((unsigned char) var_1_16)) : 1) : 1)) && (((var_1_28 > var_1_7) || var_1_14) ? (var_1_23 == ((signed short int) (((((var_1_3 + (var_1_2 - var_1_28))) < (var_1_4)) ? ((var_1_3 + (var_1_2 - var_1_28))) : (var_1_4))))) : (var_1_23 == ((signed short int) (var_1_2 - var_1_28))))) && (var_1_24 == ((float) (var_1_25 + ((((var_1_26) < (var_1_27)) ? (var_1_26) : (var_1_27))))))) && ((! var_1_12) ? (var_1_28 == ((unsigned char) ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_29) - var_1_4))) : (var_1_28 == ((unsigned char) ((((((((var_1_29) < (var_1_4)) ? (var_1_29) : (var_1_4)))) > (var_1_3)) ? (((((var_1_29) < (var_1_4)) ? (var_1_29) : (var_1_4)))) : (var_1_3))))))) && (((var_1_24 / var_1_31) > var_1_24) ? (var_1_30 == ((unsigned short int) (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - var_1_4))) : 1) ; [L204] RET, EXPR property() [L204] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=33, var_1_1=255, var_1_20=288, var_1_21=1, var_1_23=33, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=221, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=32767, var_1_3=127, var_1_4=33, var_1_7=33, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=33, var_1_1=255, var_1_20=288, var_1_21=1, var_1_23=33, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=221, var_1_29=127, var_1_2=255, var_1_30=16, var_1_31=5, var_1_33=32767, var_1_34=32767, var_1_3=127, var_1_4=33, var_1_7=33, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 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 04:54:35,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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_ed3ce93a-ecee-4a61-be96-da9c272c8387/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 e5900adef742c9bfa7a4740bfd6257cd40ef26644b367767fd6845fd72b79bbd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:38,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:38,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:54:38,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:38,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:38,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:38,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:38,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:38,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:38,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:38,564 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:38,565 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:38,565 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:38,567 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:38,568 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:38,569 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:38,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:38,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:54:38,571 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:54:38,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:54:38,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:38,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:54:38,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:38,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:54:38,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:54:38,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:54:38,576 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:54:38,577 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:54:38,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:54:38,578 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:38,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:38,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:54:38,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:38,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:38,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:38,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:38,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:54:38,582 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:54:38,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:54:38,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:54:38,584 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:38,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:38,585 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_ed3ce93a-ecee-4a61-be96-da9c272c8387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5900adef742c9bfa7a4740bfd6257cd40ef26644b367767fd6845fd72b79bbd [2023-11-19 04:54:39,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:39,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:39,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:39,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:39,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:39,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i [2023-11-19 04:54:42,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:54:42,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:54:42,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i [2023-11-19 04:54:42,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/data/2747b1207/8cd556a0334d4e388839d5be9160279e/FLAG39cfd79f3 [2023-11-19 04:54:42,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/data/2747b1207/8cd556a0334d4e388839d5be9160279e [2023-11-19 04:54:42,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:54:42,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:54:42,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:42,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:54:42,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:54:42,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:42" (1/1) ... [2023-11-19 04:54:42,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608693ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:42, skipping insertion in model container [2023-11-19 04:54:42,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:42" (1/1) ... [2023-11-19 04:54:42,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:54:42,997 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_ed3ce93a-ecee-4a61-be96-da9c272c8387/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i[916,929] [2023-11-19 04:54:43,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:43,112 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:54:43,129 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_ed3ce93a-ecee-4a61-be96-da9c272c8387/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i[916,929] [2023-11-19 04:54:43,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:43,253 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:54:43,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43 WrapperNode [2023-11-19 04:54:43,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:43,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:43,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:54:43,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:54:43,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,343 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2023-11-19 04:54:43,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:43,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:54:43,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:54:43,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:54:43,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:54:43,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:54:43,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:54:43,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:54:43,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (1/1) ... [2023-11-19 04:54:43,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:43,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:54:43,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:54:43,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:54:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:54:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:54:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:54:43,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:54:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:54:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:54:43,713 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:54:43,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:54:51,389 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:54:51,404 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:54:51,404 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:54:51,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:51 BoogieIcfgContainer [2023-11-19 04:54:51,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:54:51,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:54:51,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:54:51,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:54:51,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:54:42" (1/3) ... [2023-11-19 04:54:51,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7ead96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:51, skipping insertion in model container [2023-11-19 04:54:51,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:43" (2/3) ... [2023-11-19 04:54:51,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7ead96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:51, skipping insertion in model container [2023-11-19 04:54:51,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:51" (3/3) ... [2023-11-19 04:54:51,422 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-53.i [2023-11-19 04:54:51,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:54:51,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:54:51,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:54:51,532 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;@5222ea4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:54:51,533 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:54:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 59 states have internal predecessors, (82), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:54:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:54:51,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:51,569 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:51,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:51,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:51,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1340327576, now seen corresponding path program 1 times [2023-11-19 04:54:51,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:54:51,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767831322] [2023-11-19 04:54:51,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:51,605 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 04:54:51,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:54:51,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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 04:54:51,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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 04:54:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:53,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:54:53,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:54:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-19 04:54:53,265 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:54:53,266 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:54:53,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767831322] [2023-11-19 04:54:53,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767831322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:53,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:53,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:54:53,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722215244] [2023-11-19 04:54:53,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:53,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:54:53,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:54:53,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:54:53,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:54:53,312 INFO L87 Difference]: Start difference. First operand has 86 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 59 states have internal predecessors, (82), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:54:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:53,350 INFO L93 Difference]: Finished difference Result 169 states and 286 transitions. [2023-11-19 04:54:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:54:53,352 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 167 [2023-11-19 04:54:53,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:53,362 INFO L225 Difference]: With dead ends: 169 [2023-11-19 04:54:53,362 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 04:54:53,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 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 04:54:53,371 INFO L413 NwaCegarLoop]: 129 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, 129 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 04:54:53,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:54:53,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 04:54:53,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-19 04:54:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:54:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 125 transitions. [2023-11-19 04:54:53,430 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 125 transitions. Word has length 167 [2023-11-19 04:54:53,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:53,431 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 125 transitions. [2023-11-19 04:54:53,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:54:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2023-11-19 04:54:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:54:53,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:53,437 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:53,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:54:53,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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 04:54:53,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:53,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:53,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1519785694, now seen corresponding path program 1 times [2023-11-19 04:54:53,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:54:53,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417663428] [2023-11-19 04:54:53,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:53,648 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 04:54:53,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:54:53,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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 04:54:53,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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 04:54:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:54,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:54:54,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:54:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 514 proven. 51 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-19 04:54:58,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:55:00,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 04:55:00,805 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:55:00,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417663428] [2023-11-19 04:55:00,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417663428] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:55:00,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [81698535] [2023-11-19 04:55:00,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:00,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:55:00,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:55:00,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:55:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:01,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:55:01,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 04:55:01,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:55:01,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [81698535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:01,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:55:01,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 8 [2023-11-19 04:55:01,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357745154] [2023-11-19 04:55:01,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:01,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:55:01,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:55:01,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:55:01,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:55:01,791 INFO L87 Difference]: Start difference. First operand 82 states and 125 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:55:04,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:06,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:08,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:09,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:09,038 INFO L93 Difference]: Finished difference Result 199 states and 301 transitions. [2023-11-19 04:55:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:55:09,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 167 [2023-11-19 04:55:09,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:09,190 INFO L225 Difference]: With dead ends: 199 [2023-11-19 04:55:09,191 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 04:55:09,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 490 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-19 04:55:09,194 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 49 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:09,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 354 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2023-11-19 04:55:09,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 04:55:09,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-11-19 04:55:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 84 states have internal predecessors, (114), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 04:55:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 176 transitions. [2023-11-19 04:55:09,218 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 176 transitions. Word has length 167 [2023-11-19 04:55:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:09,219 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 176 transitions. [2023-11-19 04:55:09,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:55:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 176 transitions. [2023-11-19 04:55:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:55:09,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:09,224 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:09,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:09,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:09,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:09,646 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:09,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:09,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1521632736, now seen corresponding path program 1 times [2023-11-19 04:55:09,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:09,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815694975] [2023-11-19 04:55:09,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:09,653 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 04:55:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:09,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/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 04:55:09,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3ce93a-ecee-4a61-be96-da9c272c8387/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:55:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:10,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:55:10,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 332 proven. 177 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2023-11-19 04:55:26,683 INFO L327 TraceCheckSpWp]: Computing backward predicates...