./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh --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 f42cef6ed93900b31f047f50e8a562d6414688ebc2967397026af436d35c76fd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:02:20,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:02:20,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:02:20,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:02:20,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:02:20,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:02:20,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:02:20,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:02:20,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:02:20,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:02:20,930 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:02:20,931 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:02:20,932 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:02:20,932 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:02:20,933 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:02:20,933 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:02:20,934 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:02:20,934 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:02:20,935 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:02:20,935 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:02:20,936 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:02:20,936 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:02:20,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:02:20,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:02:20,938 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:02:20,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:02:20,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:02:20,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:02:20,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:02:20,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:02:20,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:02:20,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:02:20,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:02:20,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:02:20,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:02:20,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:02:20,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:02:20,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:02:20,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:02:20,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:02:20,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:02:20,943 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:02:20,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:02:20,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:02:20,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:02:20,944 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:02:20,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:02:20,944 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_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f42cef6ed93900b31f047f50e8a562d6414688ebc2967397026af436d35c76fd [2023-12-02 15:02:21,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:02:21,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:02:21,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:02:21,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:02:21,215 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:02:21,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-12-02 15:02:23,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:02:24,107 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:02:24,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-12-02 15:02:24,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/data/d0dde8546/a83d1fb22aa54e4ba49d9e7e96edbd80/FLAGc91b1291c [2023-12-02 15:02:24,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/data/d0dde8546/a83d1fb22aa54e4ba49d9e7e96edbd80 [2023-12-02 15:02:24,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:02:24,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:02:24,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:02:24,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:02:24,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:02:24,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e5acb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24, skipping insertion in model container [2023-12-02 15:02:24,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,197 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:02:24,338 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_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i[918,931] [2023-12-02 15:02:24,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:02:24,421 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:02:24,434 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_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i[918,931] [2023-12-02 15:02:24,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:02:24,486 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:02:24,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24 WrapperNode [2023-12-02 15:02:24,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:02:24,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:02:24,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:02:24,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:02:24,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,543 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2023-12-02 15:02:24,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:02:24,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:02:24,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:02:24,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:02:24,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:02:24,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:02:24,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:02:24,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:02:24,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (1/1) ... [2023-12-02 15:02:24,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:02:24,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:02:24,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:02:24,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:02:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:02:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:02:24,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:02:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:02:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:02:24,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:02:24,754 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:02:24,756 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:02:25,151 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:02:25,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:02:25,446 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:02:25,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:25 BoogieIcfgContainer [2023-12-02 15:02:25,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:02:25,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:02:25,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:02:25,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:02:25,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:02:24" (1/3) ... [2023-12-02 15:02:25,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179eb45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:25, skipping insertion in model container [2023-12-02 15:02:25,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:24" (2/3) ... [2023-12-02 15:02:25,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179eb45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:25, skipping insertion in model container [2023-12-02 15:02:25,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:25" (3/3) ... [2023-12-02 15:02:25,458 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-12-02 15:02:25,479 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:02:25,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:02:25,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:02:25,544 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;@212c0edf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:02:25,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:02:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-12-02 15:02:25,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 15:02:25,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:25,568 INFO L195 NwaCegarLoop]: trace histogram [39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:25,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:25,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:25,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1722230347, now seen corresponding path program 1 times [2023-12-02 15:02:25,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:02:25,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076742482] [2023-12-02 15:02:25,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:25,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:02:25,779 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:02:25,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097522826] [2023-12-02 15:02:25,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:25,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:02:25,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:02:25,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:02:25,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:02:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:02:26,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:02:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:02:26,305 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:02:26,307 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:02:26,308 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:02:26,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:02:26,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 15:02:26,515 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:02:26,519 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:02:26,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:02:26 BoogieIcfgContainer [2023-12-02 15:02:26,642 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:02:26,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:02:26,642 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:02:26,643 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:02:26,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:25" (3/4) ... [2023-12-02 15:02:26,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:02:26,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:02:26,647 INFO L158 Benchmark]: Toolchain (without parser) took 2505.51ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 118.5MB in the beginning and 86.5MB in the end (delta: 32.0MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2023-12-02 15:02:26,647 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:02:26,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.84ms. Allocated memory is still 151.0MB. Free memory was 118.5MB in the beginning and 102.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:02:26,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.03ms. Allocated memory is still 151.0MB. Free memory was 102.4MB in the beginning and 98.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:02:26,649 INFO L158 Benchmark]: Boogie Preprocessor took 37.39ms. Allocated memory is still 151.0MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:02:26,650 INFO L158 Benchmark]: RCFGBuilder took 865.79ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 95.4MB in the beginning and 152.6MB in the end (delta: -57.2MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-12-02 15:02:26,650 INFO L158 Benchmark]: TraceAbstraction took 1191.43ms. Allocated memory is still 186.6MB. Free memory was 151.5MB in the beginning and 87.6MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 15:02:26,651 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 186.6MB. Free memory was 87.6MB in the beginning and 86.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:02:26,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.84ms. Allocated memory is still 151.0MB. Free memory was 118.5MB in the beginning and 102.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.03ms. Allocated memory is still 151.0MB. Free memory was 102.4MB in the beginning and 98.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.39ms. Allocated memory is still 151.0MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 865.79ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 95.4MB in the beginning and 152.6MB in the end (delta: -57.2MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1191.43ms. Allocated memory is still 186.6MB. Free memory was 151.5MB in the beginning and 87.6MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 186.6MB. Free memory was 87.6MB in the beginning and 86.5MB in the end (delta: 1.1MB). 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 72, overapproximation of bitwiseOr at line 61, overapproximation of shiftRight at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 204, overapproximation of someBinaryArithmeticFLOAToperation at line 110. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L43] unsigned char var_1_28 = 1; [L44] unsigned long int var_1_33 = 10; [L45] unsigned long int var_1_35 = 2632045268; [L46] signed long int var_1_36 = 32; [L47] unsigned long int var_1_37 = 128; [L48] unsigned long int var_1_39 = 1877460848; [L49] unsigned long int var_1_40 = 1831388024; [L50] unsigned long int var_1_41 = 1967003719; [L51] unsigned char var_1_42 = 0; [L52] unsigned char var_1_43 = 0; [L53] unsigned char var_1_45 = 0; [L54] unsigned char var_1_46 = 0; [L55] unsigned char var_1_47 = 1; [L56] unsigned char var_1_48 = 1; [L57] unsigned short int var_1_49 = 0; [L208] isInitial = 1 [L209] FCALL initially() [L210] COND TRUE 1 [L211] FCALL updateLastVariables() [L212] CALL updateVariables() [L140] var_1_9 = __VERIFIER_nondet_double() [L141] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L142] var_1_11 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L144] var_1_13 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L146] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L147] var_1_14 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L149] var_1_16 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L151] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L152] var_1_17 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L154] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L155] var_1_19 = __VERIFIER_nondet_char() [L156] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L157] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L158] var_1_20 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L160] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L161] var_1_21 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L163] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L164] var_1_22 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L166] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L167] var_1_24 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L169] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L170] var_1_25 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L172] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L173] var_1_26 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L175] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L176] var_1_35 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L178] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L179] var_1_39 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_39 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_39 >= 1073741823) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L181] CALL assume_abort_if_not(var_1_39 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_39 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L182] var_1_40 = __VERIFIER_nondet_ulong() [L183] CALL assume_abort_if_not(var_1_40 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_40 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L184] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L185] var_1_41 = __VERIFIER_nondet_ulong() [L186] CALL assume_abort_if_not(var_1_41 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_41 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L187] CALL assume_abort_if_not(var_1_41 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_41 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L188] var_1_43 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L190] CALL assume_abort_if_not(var_1_43 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_43 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L191] var_1_45 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_45 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_45 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L193] CALL assume_abort_if_not(var_1_45 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_45 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L194] var_1_47 = __VERIFIER_nondet_uchar() [L195] CALL assume_abort_if_not(var_1_47 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_47 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L196] CALL assume_abort_if_not(var_1_47 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_47 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L197] var_1_48 = __VERIFIER_nondet_uchar() [L198] CALL assume_abort_if_not(var_1_48 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_48 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L199] CALL assume_abort_if_not(var_1_48 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_48 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L212] RET updateVariables() [L213] CALL step() [L61] EXPR var_1_27 | (var_1_27 + var_1_27) [L61] COND TRUE var_1_27 < (var_1_27 | (var_1_27 + var_1_27)) [L62] var_1_28 = 200 [L64] EXPR var_1_27 >> var_1_27 [L64] COND TRUE var_1_27 >= (var_1_27 >> var_1_27) [L65] COND FALSE !(var_1_23 || (var_1_27 < var_1_27)) [L69] COND TRUE var_1_27 > (var_1_27 / var_1_35) [L70] var_1_36 = ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) [L72] COND FALSE !(63.75f <= var_1_10) [L75] COND FALSE !(var_1_41 < ((((var_1_27) < (var_1_1)) ? (var_1_27) : (var_1_1)))) [L78] var_1_42 = (var_1_45 || var_1_43) [L80] COND FALSE !(\read(var_1_23)) [L87] COND FALSE !((var_1_39 - ((((-50) < 0 ) ? -(-50) : (-50)))) < var_1_18) [L92] var_1_15 = (var_1_16 - var_1_17) [L93] var_1_27 = var_1_21 [L94] unsigned char stepLocal_1 = var_1_27; [L95] unsigned char stepLocal_0 = var_1_27; [L96] COND FALSE !((var_1_27 + var_1_27) <= stepLocal_1) [L99] COND FALSE !(stepLocal_0 >= (var_1_27 * var_1_27)) [L102] var_1_1 = 1 [L105] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) [L108] unsigned char stepLocal_2 = var_1_27; [L109] COND FALSE !(var_1_27 > stepLocal_2) [L112] var_1_10 = 9.75f [L114] COND FALSE !(((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) [L117] signed long int stepLocal_5 = ~ var_1_21; [L118] COND FALSE !(\read(var_1_13)) [L127] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L128] unsigned char stepLocal_3 = var_1_27; [L129] COND FALSE !(var_1_23 && stepLocal_4) [L132] COND FALSE !(1 >= stepLocal_3) [L135] var_1_12 = var_1_14 [L213] RET step() [L214] CALL, EXPR property() [L204-L205] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; [L214] RET, EXPR property() [L214] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=2, var_1_15=126, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=25, var_1_28=200, var_1_33=10, var_1_35=4294967294, var_1_36=2, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=2, var_1_15=126, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=63, var_1_1=1, var_1_20=0, var_1_21=25, var_1_22=63, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=25, var_1_28=200, var_1_33=10, var_1_35=4294967294, var_1_36=2, var_1_37=128, var_1_39=2147483647, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_43=0, var_1_45=0, var_1_46=0, var_1_47=1, var_1_48=1, var_1_49=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 39, 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=69occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 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 [2023-12-02 15:02:26,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh --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 f42cef6ed93900b31f047f50e8a562d6414688ebc2967397026af436d35c76fd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:02:28,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:02:28,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:02:28,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:02:28,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:02:28,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:02:28,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:02:28,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:02:28,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:02:28,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:02:28,800 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:02:28,801 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:02:28,801 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:02:28,802 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:02:28,802 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:02:28,803 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:02:28,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:02:28,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:02:28,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:02:28,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:02:28,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:02:28,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:02:28,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:02:28,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:02:28,807 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:02:28,808 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:02:28,808 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:02:28,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:02:28,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:02:28,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:02:28,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:02:28,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:02:28,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:02:28,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:02:28,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:02:28,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:02:28,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:02:28,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:02:28,813 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:02:28,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:02:28,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:02:28,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:02:28,814 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:02:28,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:02:28,814 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_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f42cef6ed93900b31f047f50e8a562d6414688ebc2967397026af436d35c76fd [2023-12-02 15:02:29,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:02:29,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:02:29,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:02:29,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:02:29,122 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:02:29,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-12-02 15:02:31,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:02:32,207 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:02:32,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-12-02 15:02:32,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/data/55d02e967/dfa34553404f4c67bd9c573e2e544b74/FLAG4d43fb4e2 [2023-12-02 15:02:32,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/data/55d02e967/dfa34553404f4c67bd9c573e2e544b74 [2023-12-02 15:02:32,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:02:32,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:02:32,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:02:32,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:02:32,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:02:32,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cecbd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32, skipping insertion in model container [2023-12-02 15:02:32,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:02:32,432 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_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i[918,931] [2023-12-02 15:02:32,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:02:32,530 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:02:32,543 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_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i[918,931] [2023-12-02 15:02:32,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:02:32,616 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:02:32,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32 WrapperNode [2023-12-02 15:02:32,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:02:32,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:02:32,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:02:32,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:02:32,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,682 INFO L138 Inliner]: procedures = 27, calls = 52, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-12-02 15:02:32,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:02:32,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:02:32,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:02:32,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:02:32,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:02:32,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:02:32,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:02:32,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:02:32,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (1/1) ... [2023-12-02 15:02:32,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:02:32,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:02:32,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:02:32,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:02:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:02:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:02:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:02:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:02:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:02:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:02:32,932 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:02:32,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:02:33,453 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:02:33,498 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:02:33,498 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:02:33,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:33 BoogieIcfgContainer [2023-12-02 15:02:33,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:02:33,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:02:33,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:02:33,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:02:33,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:02:32" (1/3) ... [2023-12-02 15:02:33,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594b10fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:33, skipping insertion in model container [2023-12-02 15:02:33,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:32" (2/3) ... [2023-12-02 15:02:33,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594b10fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:33, skipping insertion in model container [2023-12-02 15:02:33,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:33" (3/3) ... [2023-12-02 15:02:33,508 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-1.i [2023-12-02 15:02:33,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:02:33,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:02:33,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:02:33,583 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;@2db0826d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:02:33,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:02:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-12-02 15:02:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-12-02 15:02:33,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:33,608 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:33,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:33,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash -340587209, now seen corresponding path program 1 times [2023-12-02 15:02:33,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:33,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736863086] [2023-12-02 15:02:33,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:33,630 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 [2023-12-02 15:02:33,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:33,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:33,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:34,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:02:34,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1120 proven. 0 refuted. 0 times theorem prover too weak. 1844 trivial. 0 not checked. [2023-12-02 15:02:34,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:34,118 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:34,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736863086] [2023-12-02 15:02:34,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736863086] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:34,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:34,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:02:34,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696875789] [2023-12-02 15:02:34,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:34,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:02:34,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:34,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:02:34,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:02:34,160 INFO L87 Difference]: Start difference. First operand has 98 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-12-02 15:02:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:34,227 INFO L93 Difference]: Finished difference Result 193 states and 357 transitions. [2023-12-02 15:02:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:02:34,230 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 238 [2023-12-02 15:02:34,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:34,239 INFO L225 Difference]: With dead ends: 193 [2023-12-02 15:02:34,240 INFO L226 Difference]: Without dead ends: 96 [2023-12-02 15:02:34,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:02:34,248 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:34,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:02:34,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-02 15:02:34,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-12-02 15:02:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-12-02 15:02:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2023-12-02 15:02:34,303 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 238 [2023-12-02 15:02:34,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:34,304 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2023-12-02 15:02:34,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-12-02 15:02:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2023-12-02 15:02:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-12-02 15:02:34,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:34,311 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:34,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:34,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:34,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:34,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:34,513 INFO L85 PathProgramCache]: Analyzing trace with hash 809627323, now seen corresponding path program 1 times [2023-12-02 15:02:34,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:34,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980276939] [2023-12-02 15:02:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:34,514 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 [2023-12-02 15:02:34,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:34,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:34,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:34,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:02:34,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-12-02 15:02:35,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:35,531 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:35,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980276939] [2023-12-02 15:02:35,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1980276939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:35,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:35,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:02:35,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565339362] [2023-12-02 15:02:35,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:35,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:02:35,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:35,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:02:35,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:02:35,539 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:35,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:35,968 INFO L93 Difference]: Finished difference Result 268 states and 430 transitions. [2023-12-02 15:02:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:02:35,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 239 [2023-12-02 15:02:35,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:35,975 INFO L225 Difference]: With dead ends: 268 [2023-12-02 15:02:35,975 INFO L226 Difference]: Without dead ends: 173 [2023-12-02 15:02:35,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:02:35,979 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 20 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:35,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 261 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:02:35,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-02 15:02:36,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 162. [2023-12-02 15:02:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 81 states have internal predecessors, (101), 78 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-12-02 15:02:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 257 transitions. [2023-12-02 15:02:36,021 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 257 transitions. Word has length 239 [2023-12-02 15:02:36,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:36,023 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 257 transitions. [2023-12-02 15:02:36,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2023-12-02 15:02:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-12-02 15:02:36,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:36,029 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:36,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-02 15:02:36,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:36,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:36,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash 386925497, now seen corresponding path program 1 times [2023-12-02 15:02:36,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:36,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108261468] [2023-12-02 15:02:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:36,241 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 [2023-12-02 15:02:36,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:36,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:36,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:36,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:02:36,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-12-02 15:02:37,007 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:37,007 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:37,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108261468] [2023-12-02 15:02:37,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108261468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:37,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:37,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:02:37,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396906646] [2023-12-02 15:02:37,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:37,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:02:37,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:37,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:02:37,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:02:37,012 INFO L87 Difference]: Start difference. First operand 162 states and 257 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:37,115 INFO L93 Difference]: Finished difference Result 350 states and 557 transitions. [2023-12-02 15:02:37,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:02:37,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 239 [2023-12-02 15:02:37,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:37,121 INFO L225 Difference]: With dead ends: 350 [2023-12-02 15:02:37,121 INFO L226 Difference]: Without dead ends: 255 [2023-12-02 15:02:37,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:02:37,123 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 23 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:37,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 288 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:02:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-12-02 15:02:37,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2023-12-02 15:02:37,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 117 states have call successors, (117), 3 states have call predecessors, (117), 3 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-12-02 15:02:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 400 transitions. [2023-12-02 15:02:37,176 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 400 transitions. Word has length 239 [2023-12-02 15:02:37,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:37,177 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 400 transitions. [2023-12-02 15:02:37,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 400 transitions. [2023-12-02 15:02:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-12-02 15:02:37,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:37,182 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:37,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-02 15:02:37,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:37,383 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:37,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:37,383 INFO L85 PathProgramCache]: Analyzing trace with hash -710212686, now seen corresponding path program 1 times [2023-12-02 15:02:37,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:37,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657307642] [2023-12-02 15:02:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:37,385 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 [2023-12-02 15:02:37,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:37,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:37,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 15:02:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:37,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:02:37,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-12-02 15:02:39,313 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:39,313 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:39,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657307642] [2023-12-02 15:02:39,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657307642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:39,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:39,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:02:39,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440069554] [2023-12-02 15:02:39,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:39,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:02:39,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:39,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:02:39,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:02:39,316 INFO L87 Difference]: Start difference. First operand 253 states and 400 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:39,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:39,525 INFO L93 Difference]: Finished difference Result 453 states and 716 transitions. [2023-12-02 15:02:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:02:39,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 240 [2023-12-02 15:02:39,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:39,530 INFO L225 Difference]: With dead ends: 453 [2023-12-02 15:02:39,530 INFO L226 Difference]: Without dead ends: 267 [2023-12-02 15:02:39,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:02:39,532 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 15 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:39,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 287 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:02:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-02 15:02:39,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 257. [2023-12-02 15:02:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 136 states have internal predecessors, (171), 117 states have call successors, (117), 3 states have call predecessors, (117), 3 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-12-02 15:02:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 405 transitions. [2023-12-02 15:02:39,573 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 405 transitions. Word has length 240 [2023-12-02 15:02:39,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:39,574 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 405 transitions. [2023-12-02 15:02:39,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 405 transitions. [2023-12-02 15:02:39,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-12-02 15:02:39,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:39,578 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:39,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-02 15:02:39,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:39,779 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:39,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:39,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1590609904, now seen corresponding path program 1 times [2023-12-02 15:02:39,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:39,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151909709] [2023-12-02 15:02:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:39,780 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 [2023-12-02 15:02:39,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:39,781 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:39,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 15:02:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:40,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 15:02:40,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1151 proven. 48 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-12-02 15:02:41,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:02:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 174 proven. 51 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-12-02 15:02:42,492 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:42,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151909709] [2023-12-02 15:02:42,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151909709] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:02:42,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1513424978] [2023-12-02 15:02:42,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:42,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:02:42,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:02:42,495 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:02:42,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 15:02:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:43,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:02:43,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-12-02 15:02:43,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:43,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1513424978] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:43,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:02:43,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 9] total 18 [2023-12-02 15:02:43,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402548797] [2023-12-02 15:02:43,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:43,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:02:43,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:02:43,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-12-02 15:02:43,394 INFO L87 Difference]: Start difference. First operand 257 states and 405 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:44,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:44,198 INFO L93 Difference]: Finished difference Result 625 states and 987 transitions. [2023-12-02 15:02:44,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:02:44,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 240 [2023-12-02 15:02:44,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:44,203 INFO L225 Difference]: With dead ends: 625 [2023-12-02 15:02:44,203 INFO L226 Difference]: Without dead ends: 439 [2023-12-02 15:02:44,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2023-12-02 15:02:44,205 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 177 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:44,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 505 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 15:02:44,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-12-02 15:02:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 428. [2023-12-02 15:02:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 227 states have (on average 1.2202643171806167) internal successors, (277), 227 states have internal predecessors, (277), 195 states have call successors, (195), 5 states have call predecessors, (195), 5 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2023-12-02 15:02:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 667 transitions. [2023-12-02 15:02:44,264 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 667 transitions. Word has length 240 [2023-12-02 15:02:44,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:44,265 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 667 transitions. [2023-12-02 15:02:44,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 667 transitions. [2023-12-02 15:02:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-12-02 15:02:44,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:44,269 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:44,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 15:02:44,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 15:02:44,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:02:44,670 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:44,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:44,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1197582894, now seen corresponding path program 1 times [2023-12-02 15:02:44,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:44,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604555068] [2023-12-02 15:02:44,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:44,671 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 [2023-12-02 15:02:44,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:44,673 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:44,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 15:02:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:44,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 15:02:44,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1151 proven. 48 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-12-02 15:02:46,212 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:02:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 174 proven. 51 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-12-02 15:02:46,977 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:46,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604555068] [2023-12-02 15:02:46,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604555068] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:02:46,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1558515849] [2023-12-02 15:02:46,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:46,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:02:46,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:02:46,978 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:02:46,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 15:02:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:47,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:02:47,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-12-02 15:02:47,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:47,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1558515849] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:47,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:02:47,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 9] total 19 [2023-12-02 15:02:47,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973068793] [2023-12-02 15:02:47,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:47,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:02:47,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:47,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:02:47,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2023-12-02 15:02:47,866 INFO L87 Difference]: Start difference. First operand 428 states and 667 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:48,813 INFO L93 Difference]: Finished difference Result 883 states and 1356 transitions. [2023-12-02 15:02:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:02:48,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 240 [2023-12-02 15:02:48,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:48,819 INFO L225 Difference]: With dead ends: 883 [2023-12-02 15:02:48,819 INFO L226 Difference]: Without dead ends: 526 [2023-12-02 15:02:48,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-12-02 15:02:48,822 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 156 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:48,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 434 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 15:02:48,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-12-02 15:02:48,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 458. [2023-12-02 15:02:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 253 states have (on average 1.2134387351778657) internal successors, (307), 253 states have internal predecessors, (307), 195 states have call successors, (195), 9 states have call predecessors, (195), 9 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2023-12-02 15:02:48,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 697 transitions. [2023-12-02 15:02:48,878 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 697 transitions. Word has length 240 [2023-12-02 15:02:48,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:48,878 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 697 transitions. [2023-12-02 15:02:48,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2023-12-02 15:02:48,879 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 697 transitions. [2023-12-02 15:02:48,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-12-02 15:02:48,881 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:48,881 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:48,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 15:02:49,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-02 15:02:49,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:02:49,285 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:49,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:49,285 INFO L85 PathProgramCache]: Analyzing trace with hash 198545231, now seen corresponding path program 1 times [2023-12-02 15:02:49,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:49,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325357517] [2023-12-02 15:02:49,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:49,286 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 [2023-12-02 15:02:49,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:49,287 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:49,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 (10)] Waiting until timeout for monitored process [2023-12-02 15:02:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:49,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 15:02:49,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1151 proven. 48 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-12-02 15:02:50,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:02:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 174 proven. 51 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-12-02 15:02:51,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:51,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325357517] [2023-12-02 15:02:51,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325357517] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:02:51,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [278077347] [2023-12-02 15:02:51,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:51,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:02:51,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:02:51,109 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:02:51,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 15:02:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:51,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:02:51,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1140 proven. 27 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2023-12-02 15:02:52,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:02:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 2850 trivial. 0 not checked. [2023-12-02 15:02:53,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [278077347] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:02:53,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942790361] [2023-12-02 15:02:53,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:53,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:02:53,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:02:53,002 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:02:53,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 15:02:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:53,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 15:02:53,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1151 proven. 48 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-12-02 15:02:54,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:02:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 174 proven. 51 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2023-12-02 15:02:54,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942790361] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:02:54,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 15:02:54,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 5, 6, 8, 9] total 16 [2023-12-02 15:02:54,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011350866] [2023-12-02 15:02:54,477 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 15:02:54,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 15:02:54,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:54,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 15:02:54,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2023-12-02 15:02:54,480 INFO L87 Difference]: Start difference. First operand 458 states and 697 transitions. Second operand has 16 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 6 states have call successors, (87), 4 states have call predecessors, (87), 8 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2023-12-02 15:02:56,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:56,156 INFO L93 Difference]: Finished difference Result 894 states and 1331 transitions. [2023-12-02 15:02:56,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 15:02:56,157 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 6 states have call successors, (87), 4 states have call predecessors, (87), 8 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) Word has length 240 [2023-12-02 15:02:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:56,161 INFO L225 Difference]: With dead ends: 894 [2023-12-02 15:02:56,161 INFO L226 Difference]: Without dead ends: 507 [2023-12-02 15:02:56,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1443 GetRequests, 1421 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=333, Unknown=0, NotChecked=0, Total=552 [2023-12-02 15:02:56,164 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 194 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:56,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 337 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 15:02:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2023-12-02 15:02:56,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 482. [2023-12-02 15:02:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 271 states have (on average 1.188191881918819) internal successors, (322), 271 states have internal predecessors, (322), 195 states have call successors, (195), 15 states have call predecessors, (195), 15 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2023-12-02 15:02:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 712 transitions. [2023-12-02 15:02:56,223 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 712 transitions. Word has length 240 [2023-12-02 15:02:56,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:56,224 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 712 transitions. [2023-12-02 15:02:56,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 6 states have call successors, (87), 4 states have call predecessors, (87), 8 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2023-12-02 15:02:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 712 transitions. [2023-12-02 15:02:56,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-12-02 15:02:56,226 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:56,226 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:56,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 (10)] Ended with exit code 0 [2023-12-02 15:02:56,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 15:02:56,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 15:02:56,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:02:56,827 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:56,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:56,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1389802671, now seen corresponding path program 1 times [2023-12-02 15:02:56,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:56,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612875122] [2023-12-02 15:02:56,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:56,828 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 [2023-12-02 15:02:56,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:56,829 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:02:56,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6c5a1b2-af02-4b24-9452-2300bf09c5f6/bin/utaipan-verify-nQ1chXbOIh/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 (13)] Waiting until timeout for monitored process [2023-12-02 15:02:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:57,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 15:02:57,080 INFO L285 TraceCheckSpWp]: Computing forward predicates...