./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.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_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/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_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/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_e6872113-a4b4-46df-a12c-8376d4da2bac/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 331deff5ee9f0a6f0b03656a3ea7e4b679f07dd47c7d7e953a5847c9d589ff92 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:01,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:01,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:24:01,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:01,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:01,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:01,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:01,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:01,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:01,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:01,387 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:01,388 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:01,388 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:01,389 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:24:01,390 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:01,390 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:01,391 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:24:01,391 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:24:01,392 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:01,393 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:24:01,393 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:24:01,394 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:24:01,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:01,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:01,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:01,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:01,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:01,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:01,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:01,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:01,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:01,400 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:01,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:01,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:01,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:01,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:01,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:01,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:01,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:01,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:01,405 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:24:01,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:24:01,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:01,406 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:01,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:01,406 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_e6872113-a4b4-46df-a12c-8376d4da2bac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 331deff5ee9f0a6f0b03656a3ea7e4b679f07dd47c7d7e953a5847c9d589ff92 [2023-11-19 05:24:01,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:01,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:01,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:01,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:01,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:01,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i [2023-11-19 05:24:04,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:05,240 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:05,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i [2023-11-19 05:24:05,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/data/4e8adddbe/736540aff5264849978283dd87c8d77f/FLAG3b46bf586 [2023-11-19 05:24:05,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/data/4e8adddbe/736540aff5264849978283dd87c8d77f [2023-11-19 05:24:05,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:05,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:05,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:05,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:05,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:05,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce7b4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05, skipping insertion in model container [2023-11-19 05:24:05,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,323 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:05,522 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_e6872113-a4b4-46df-a12c-8376d4da2bac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i[916,929] [2023-11-19 05:24:05,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:05,658 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:05,672 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_e6872113-a4b4-46df-a12c-8376d4da2bac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i[916,929] [2023-11-19 05:24:05,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:05,740 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:05,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05 WrapperNode [2023-11-19 05:24:05,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:05,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:05,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:05,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:05,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,833 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2023-11-19 05:24:05,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:05,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:05,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:05,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:05,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:05,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:05,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:05,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:05,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (1/1) ... [2023-11-19 05:24:05,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:05,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:05,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:05,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:24:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:24:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:24:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:06,114 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:06,117 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:06,734 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:07,268 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:07,269 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:07,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:07 BoogieIcfgContainer [2023-11-19 05:24:07,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:07,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:07,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:07,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:07,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:05" (1/3) ... [2023-11-19 05:24:07,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144e4030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:07, skipping insertion in model container [2023-11-19 05:24:07,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:05" (2/3) ... [2023-11-19 05:24:07,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144e4030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:07, skipping insertion in model container [2023-11-19 05:24:07,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:07" (3/3) ... [2023-11-19 05:24:07,288 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-31.i [2023-11-19 05:24:07,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:07,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:07,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:07,383 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;@4d59cde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:07,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:24:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 05:24:07,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:07,403 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:07,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:07,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:07,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1863869319, now seen corresponding path program 1 times [2023-11-19 05:24:07,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:07,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612571389] [2023-11-19 05:24:07,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:07,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:07,670 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:24:07,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903030436] [2023-11-19 05:24:07,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:07,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:24:07,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:07,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:24:07,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:24:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:08,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:24:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:09,150 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:24:09,152 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:24:09,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:24:09,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:09,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:24:09,368 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:24:09,372 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:24:09,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:24:09 BoogieIcfgContainer [2023-11-19 05:24:09,621 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:24:09,622 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:24:09,622 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:24:09,622 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:24:09,623 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:07" (3/4) ... [2023-11-19 05:24:09,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:24:09,629 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:24:09,630 INFO L158 Benchmark]: Toolchain (without parser) took 4358.07ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 63.2MB in the beginning and 112.6MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:09,631 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 95.8MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:09,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.23ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 63.0MB in the beginning and 116.2MB in the end (delta: -53.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-19 05:24:09,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.97ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 111.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:24:09,639 INFO L158 Benchmark]: Boogie Preprocessor took 52.40ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 108.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:09,640 INFO L158 Benchmark]: RCFGBuilder took 1387.50ms. Allocated memory is still 157.3MB. Free memory was 108.8MB in the beginning and 116.1MB in the end (delta: -7.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-11-19 05:24:09,641 INFO L158 Benchmark]: TraceAbstraction took 2342.77ms. Allocated memory is still 157.3MB. Free memory was 115.1MB in the beginning and 113.6MB in the end (delta: 1.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-19 05:24:09,641 INFO L158 Benchmark]: Witness Printer took 7.18ms. Allocated memory is still 157.3MB. Free memory was 113.6MB in the beginning and 112.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:09,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 95.8MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.23ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 63.0MB in the beginning and 116.2MB in the end (delta: -53.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.97ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 111.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.40ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 108.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1387.50ms. Allocated memory is still 157.3MB. Free memory was 108.8MB in the beginning and 116.1MB in the end (delta: -7.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2342.77ms. Allocated memory is still 157.3MB. Free memory was 115.1MB in the beginning and 113.6MB in the end (delta: 1.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Witness Printer took 7.18ms. Allocated memory is still 157.3MB. Free memory was 113.6MB in the beginning and 112.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. 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 206, overapproximation of shiftRight at line 84, overapproximation of someUnaryDOUBLEoperation at line 46, overapproximation of bitwiseAnd at line 81, overapproximation of someBinaryArithmeticDOUBLEoperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 206. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned long int var_1_4 = 32; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 50; [L30] unsigned long int var_1_14 = 1000000000; [L31] unsigned short int var_1_15 = 10; [L32] unsigned short int var_1_16 = 39011; [L33] unsigned long int var_1_17 = 4; [L34] signed char var_1_18 = 4; [L35] signed char var_1_21 = 16; [L36] signed char var_1_22 = 64; [L37] signed long int var_1_23 = 8; [L38] unsigned char var_1_24 = 0; [L39] unsigned char var_1_25 = 0; [L40] unsigned char var_1_26 = 0; [L41] unsigned char var_1_27 = 0; [L42] double var_1_28 = 25.5; [L43] double var_1_29 = 255.25; [L44] double var_1_30 = 24.7; [L45] double var_1_31 = 31.2; [L46] float var_1_32 = -0.2; [L47] unsigned char var_1_33 = 10; [L48] float var_1_34 = 24.5; [L49] unsigned char last_1_var_1_7 = 0; [L50] unsigned short int last_1_var_1_15 = 10; [L51] unsigned long int last_1_var_1_17 = 4; [L52] signed long int last_1_var_1_23 = 8; [L53] unsigned char last_1_var_1_24 = 0; [L54] unsigned char last_1_var_1_33 = 10; [L210] isInitial = 1 [L211] FCALL initially() [L212] COND TRUE 1 [L213] CALL updateLastVariables() [L198] last_1_var_1_7 = var_1_7 [L199] last_1_var_1_15 = var_1_15 [L200] last_1_var_1_17 = var_1_17 [L201] last_1_var_1_23 = var_1_23 [L202] last_1_var_1_24 = var_1_24 [L203] last_1_var_1_33 = var_1_33 [L213] RET updateLastVariables() [L214] CALL updateVariables() [L156] var_1_4 = __VERIFIER_nondet_ulong() [L157] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L158] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L159] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=1, var_1_7=0] [L160] var_1_6 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L162] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L163] var_1_10 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L165] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L166] var_1_11 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L168] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L169] var_1_12 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L171] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L172] var_1_16 = __VERIFIER_nondet_ushort() [L173] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L174] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L175] var_1_21 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L177] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L178] var_1_22 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L180] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L181] var_1_25 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L183] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L184] var_1_26 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L186] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L187] var_1_27 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L189] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L190] var_1_29 = __VERIFIER_nondet_double() [L191] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L192] var_1_30 = __VERIFIER_nondet_double() [L193] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=3, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=3, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L194] var_1_31 = __VERIFIER_nondet_double() [L195] CALL assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=3, var_1_31=4, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=32767, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=2, var_1_30=3, var_1_31=4, var_1_33=10, var_1_34=49/2, var_1_4=9, var_1_6=17, var_1_7=0] [L214] RET updateVariables() [L215] CALL step() [L58] signed long int stepLocal_8 = last_1_var_1_33; [L59] COND FALSE !(stepLocal_8 <= ((last_1_var_1_17 / var_1_4) / var_1_16)) [L68] var_1_18 = var_1_21 [L70] COND FALSE !(! (! (last_1_var_1_7 && last_1_var_1_24))) [L77] var_1_15 = last_1_var_1_23 [L79] var_1_14 = (var_1_6 + var_1_15) [L80] unsigned char stepLocal_7 = var_1_12; [L81] EXPR last_1_var_1_15 & 16 [L81] signed long int stepLocal_6 = last_1_var_1_15 & 16; [L82] signed long int stepLocal_5 = last_1_var_1_15; [L83] COND FALSE !(last_1_var_1_15 < stepLocal_5) [L94] var_1_13 = var_1_6 [L96] unsigned char stepLocal_9 = last_1_var_1_7; [L97] COND TRUE ! last_1_var_1_24 [L98] COND FALSE !(stepLocal_9 && (last_1_var_1_33 >= ((((last_1_var_1_17) < (var_1_4)) ? (last_1_var_1_17) : (var_1_4))))) [L101] var_1_24 = var_1_12 [L106] unsigned short int stepLocal_10 = var_1_15; [L107] COND TRUE stepLocal_10 < var_1_4 [L108] COND TRUE \read(var_1_24) [L109] var_1_28 = ((var_1_29 - var_1_30) + var_1_31) [L116] var_1_32 = var_1_29 [L117] var_1_33 = var_1_22 [L118] var_1_34 = var_1_29 [L119] COND FALSE !(var_1_14 < var_1_13) [L122] var_1_23 = var_1_18 [L124] unsigned char stepLocal_2 = var_1_13 < var_1_4; [L125] signed long int stepLocal_1 = var_1_6 + var_1_15; [L126] unsigned long int stepLocal_0 = var_1_13 % var_1_4; [L127] COND TRUE stepLocal_0 >= var_1_15 [L128] COND FALSE !(var_1_24 && stepLocal_2) [L138] unsigned char stepLocal_4 = var_1_24; [L139] unsigned long int stepLocal_3 = var_1_4; [L140] COND TRUE (var_1_24 && var_1_24) && stepLocal_4 [L141] COND FALSE !(stepLocal_3 == (- var_1_13)) [L144] var_1_7 = 0 [L149] COND FALSE !((var_1_4 <= var_1_18) && var_1_7) [L215] RET step() [L216] CALL, EXPR property() [L206] EXPR ((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) [L206] EXPR (last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6)) [L206] EXPR ((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) [L206-L207] return ((((((((((((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6)))) && (var_1_14 == ((unsigned long int) (var_1_6 + var_1_15)))) && ((! (! (last_1_var_1_7 && last_1_var_1_24))) ? (last_1_var_1_7 ? (var_1_15 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_23)) ? (last_1_var_1_33) : (last_1_var_1_23))))) : (var_1_15 == ((unsigned short int) (((((var_1_16 - var_1_6)) < (10)) ? ((var_1_16 - var_1_6)) : (10)))))) : (var_1_15 == ((unsigned short int) last_1_var_1_23)))) && (((var_1_4 <= var_1_18) && var_1_7) ? ((var_1_23 == var_1_1) ? (var_1_17 == ((unsigned long int) var_1_6)) : 1) : 1)) && ((last_1_var_1_33 <= ((last_1_var_1_17 / var_1_4) / var_1_16)) ? (last_1_var_1_24 ? (var_1_18 == ((signed char) (var_1_21 - var_1_22))) : (var_1_11 ? (var_1_18 == ((signed char) var_1_22)) : 1)) : (var_1_18 == ((signed char) var_1_21)))) && ((var_1_14 < var_1_13) ? (var_1_23 == ((signed long int) (((((var_1_14 + var_1_16)) < ((((((var_1_18 - var_1_14)) < (-128)) ? ((var_1_18 - var_1_14)) : (-128))))) ? ((var_1_14 + var_1_16)) : ((((((var_1_18 - var_1_14)) < (-128)) ? ((var_1_18 - var_1_14)) : (-128)))))))) : (var_1_23 == ((signed long int) var_1_18)))) && ((! last_1_var_1_24) ? ((last_1_var_1_7 && (last_1_var_1_33 >= ((((last_1_var_1_17) < (var_1_4)) ? (last_1_var_1_17) : (var_1_4))))) ? (var_1_24 == ((unsigned char) (var_1_10 || ((var_1_25 || var_1_26) || var_1_27)))) : (var_1_24 == ((unsigned char) var_1_12))) : (var_1_24 == ((unsigned char) var_1_12)))) && ((var_1_15 < var_1_4) ? (var_1_24 ? (var_1_28 == ((double) ((var_1_29 - var_1_30) + var_1_31))) : (var_1_28 == ((double) (4.75 + var_1_29)))) : (var_1_28 == ((double) (100.4 + var_1_30))))) && (var_1_32 == ((float) var_1_29))) && (var_1_33 == ((unsigned char) var_1_22))) && (var_1_34 == ((float) var_1_29)) ; [L216] RET, EXPR property() [L216] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=17, var_1_14=25, var_1_15=8, var_1_16=32767, var_1_17=4, var_1_18=-1, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=-1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_30=3, var_1_31=4, var_1_32=2, var_1_33=0, var_1_34=2, var_1_4=9, var_1_6=17, var_1_7=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=17, var_1_14=25, var_1_15=8, var_1_16=32767, var_1_17=4, var_1_18=-1, var_1_1=200, var_1_21=-1, var_1_22=0, var_1_23=-1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_30=3, var_1_31=4, var_1_32=2, var_1_33=0, var_1_34=2, var_1_4=9, var_1_6=17, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:24:09,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/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_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/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_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/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_e6872113-a4b4-46df-a12c-8376d4da2bac/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 331deff5ee9f0a6f0b03656a3ea7e4b679f07dd47c7d7e953a5847c9d589ff92 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:12,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:12,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:24:12,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:12,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:12,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:12,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:12,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:12,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:12,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:12,657 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:12,658 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:12,658 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:12,660 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:12,661 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:12,661 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:12,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:12,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:12,664 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:12,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:12,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:12,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:12,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:12,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:12,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:24:12,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:24:12,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:24:12,669 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:12,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:12,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:12,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:12,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:24:12,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:12,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:12,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:12,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:12,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:12,674 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:24:12,674 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:12,675 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:12,675 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:12,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:12,676 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_e6872113-a4b4-46df-a12c-8376d4da2bac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 331deff5ee9f0a6f0b03656a3ea7e4b679f07dd47c7d7e953a5847c9d589ff92 [2023-11-19 05:24:13,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:13,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:13,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:13,157 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:13,157 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:13,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i [2023-11-19 05:24:16,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:16,728 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:16,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i [2023-11-19 05:24:16,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/data/5df02a030/8cce8a2064c84c78a597717459967884/FLAG90ef398f1 [2023-11-19 05:24:16,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/data/5df02a030/8cce8a2064c84c78a597717459967884 [2023-11-19 05:24:16,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:16,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:16,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:16,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:16,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:16,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:16" (1/1) ... [2023-11-19 05:24:16,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46df3037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:16, skipping insertion in model container [2023-11-19 05:24:16,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:16" (1/1) ... [2023-11-19 05:24:16,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:17,062 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_e6872113-a4b4-46df-a12c-8376d4da2bac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i[916,929] [2023-11-19 05:24:17,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:17,181 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:17,195 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_e6872113-a4b4-46df-a12c-8376d4da2bac/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i[916,929] [2023-11-19 05:24:17,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:17,317 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:17,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17 WrapperNode [2023-11-19 05:24:17,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:17,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:17,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:17,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:17,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,407 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-19 05:24:17,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:17,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:17,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:17,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:17,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:17,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:17,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:17,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:17,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:17,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:17,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:17,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:24:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:24:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:24:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:17,709 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:17,711 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:21,708 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:21,718 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:21,722 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:21,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:21 BoogieIcfgContainer [2023-11-19 05:24:21,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:21,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:21,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:21,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:21,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:16" (1/3) ... [2023-11-19 05:24:21,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11523219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:21, skipping insertion in model container [2023-11-19 05:24:21,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17" (2/3) ... [2023-11-19 05:24:21,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11523219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:21, skipping insertion in model container [2023-11-19 05:24:21,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:21" (3/3) ... [2023-11-19 05:24:21,740 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-31.i [2023-11-19 05:24:21,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:21,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:21,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:21,838 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;@970b07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:21,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:21,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:24:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 05:24:21,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:21,870 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:21,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:21,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:21,881 INFO L85 PathProgramCache]: Analyzing trace with hash -306530566, now seen corresponding path program 1 times [2023-11-19 05:24:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:21,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791363625] [2023-11-19 05:24:21,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:21,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:21,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:21,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:21,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:24:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:22,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:24:22,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-19 05:24:22,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:22,880 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:22,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791363625] [2023-11-19 05:24:22,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791363625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:22,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:22,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:22,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525028594] [2023-11-19 05:24:22,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:22,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:24:22,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:22,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:24:22,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:24:22,921 INFO L87 Difference]: Start difference. First operand has 85 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 05:24:22,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:22,997 INFO L93 Difference]: Finished difference Result 163 states and 286 transitions. [2023-11-19 05:24:22,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:24:23,000 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2023-11-19 05:24:23,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:23,012 INFO L225 Difference]: With dead ends: 163 [2023-11-19 05:24:23,013 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 05:24:23,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:24:23,024 INFO L413 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:23,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:24:23,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 05:24:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 05:24:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:24:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2023-11-19 05:24:23,086 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 169 [2023-11-19 05:24:23,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:23,087 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2023-11-19 05:24:23,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 05:24:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2023-11-19 05:24:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 05:24:23,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:23,092 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:23,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/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 05:24:23,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:23,293 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:23,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:23,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1336568910, now seen corresponding path program 1 times [2023-11-19 05:24:23,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:23,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375445237] [2023-11-19 05:24:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:23,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:23,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:23,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:23,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:24:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:24,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:24:24,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:25,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 05:24:25,542 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:25,542 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:25,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375445237] [2023-11-19 05:24:25,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375445237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:25,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:25,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:25,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594644089] [2023-11-19 05:24:25,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:25,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:25,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:25,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:25,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:25,547 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 05:24:27,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:29,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:31,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:33,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:35,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:37,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:37,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:37,584 INFO L93 Difference]: Finished difference Result 277 states and 430 transitions. [2023-11-19 05:24:37,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:24:37,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2023-11-19 05:24:37,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:37,627 INFO L225 Difference]: With dead ends: 277 [2023-11-19 05:24:37,627 INFO L226 Difference]: Without dead ends: 199 [2023-11-19 05:24:37,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:24:37,630 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 130 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 64 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:37,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 385 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 29 Invalid, 4 Unknown, 0 Unchecked, 11.9s Time] [2023-11-19 05:24:37,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-19 05:24:37,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 150. [2023-11-19 05:24:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 95 states have internal predecessors, (126), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-19 05:24:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 230 transitions. [2023-11-19 05:24:37,666 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 230 transitions. Word has length 169 [2023-11-19 05:24:37,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:37,667 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 230 transitions. [2023-11-19 05:24:37,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 05:24:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 230 transitions. [2023-11-19 05:24:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:24:37,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:37,672 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:37,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/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)] Ended with exit code 0 [2023-11-19 05:24:37,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:37,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:37,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:37,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1515830209, now seen corresponding path program 1 times [2023-11-19 05:24:37,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:37,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561624799] [2023-11-19 05:24:37,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:37,891 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:37,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:37,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:37,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:24:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:38,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 05:24:38,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-19 05:24:41,083 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:24:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 05:24:42,166 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:42,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561624799] [2023-11-19 05:24:42,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561624799] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:24:42,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [463521878] [2023-11-19 05:24:42,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:42,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:42,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:24:42,175 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:24:42,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:24:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:43,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:24:43,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-19 05:24:45,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:24:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 05:24:46,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [463521878] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:24:46,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151155284] [2023-11-19 05:24:46,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:46,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:24:46,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:46,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:24:46,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6872113-a4b4-46df-a12c-8376d4da2bac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:24:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:47,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:24:47,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 05:24:49,006 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:49,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151155284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:49,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-19 05:24:49,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 7, 10, 7] total 19 [2023-11-19 05:24:49,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945801783] [2023-11-19 05:24:49,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:49,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:24:49,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:49,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:24:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-11-19 05:24:49,013 INFO L87 Difference]: Start difference. First operand 150 states and 230 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 05:24:51,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:53,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:56,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:58,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:00,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:00,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:00,617 INFO L93 Difference]: Finished difference Result 496 states and 757 transitions. [2023-11-19 05:25:00,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:25:00,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2023-11-19 05:25:00,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:00,627 INFO L225 Difference]: With dead ends: 496 [2023-11-19 05:25:00,628 INFO L226 Difference]: Without dead ends: 349 [2023-11-19 05:25:00,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 826 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2023-11-19 05:25:00,632 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 234 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 62 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:00,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 650 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 121 Invalid, 4 Unknown, 0 Unchecked, 11.1s Time] [2023-11-19 05:25:00,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states.