./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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_f4012cc2-0787-4332-806f-cb4d61b65a41/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 e9ea3e1de810ac747010be7e08c40cdfac2b25e998985b5e8577b039d2cd4e61 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:33:55,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:33:55,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:33:55,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:33:55,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:33:55,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:33:55,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:33:55,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:33:55,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:33:55,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:33:55,915 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:33:55,916 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:33:55,917 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:33:55,917 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:33:55,917 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:33:55,918 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:33:55,918 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:33:55,919 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:33:55,919 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:33:55,920 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:33:55,938 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:33:55,939 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:33:55,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:33:55,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:33:55,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:33:55,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:33:55,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:33:55,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:33:55,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:33:55,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:33:55,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:33:55,944 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:33:55,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:33:55,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:33:55,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:33:55,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:33:55,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:33:55,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:33:55,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:33:55,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:33:55,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:33:55,947 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:33:55,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:33:55,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:33:55,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:33:55,948 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:33:55,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:33:55,948 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_f4012cc2-0787-4332-806f-cb4d61b65a41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9ea3e1de810ac747010be7e08c40cdfac2b25e998985b5e8577b039d2cd4e61 [2023-12-02 19:33:56,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:33:56,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:33:56,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:33:56,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:33:56,185 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:33:56,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i [2023-12-02 19:33:58,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:33:59,167 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:33:59,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i [2023-12-02 19:33:59,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/data/7b5c759b2/b4d509a238484f26b6cd7cd08887ff14/FLAG1708a0fcb [2023-12-02 19:33:59,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/data/7b5c759b2/b4d509a238484f26b6cd7cd08887ff14 [2023-12-02 19:33:59,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:33:59,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:33:59,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:33:59,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:33:59,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:33:59,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf03871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59, skipping insertion in model container [2023-12-02 19:33:59,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:33:59,382 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_f4012cc2-0787-4332-806f-cb4d61b65a41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i[917,930] [2023-12-02 19:33:59,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:33:59,450 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:33:59,463 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_f4012cc2-0787-4332-806f-cb4d61b65a41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i[917,930] [2023-12-02 19:33:59,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:33:59,507 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:33:59,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59 WrapperNode [2023-12-02 19:33:59,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:33:59,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:33:59,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:33:59,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:33:59,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,565 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2023-12-02 19:33:59,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:33:59,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:33:59,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:33:59,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:33:59,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:33:59,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:33:59,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:33:59,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:33:59,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (1/1) ... [2023-12-02 19:33:59,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:33:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:33:59,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:33:59,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:33:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:33:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:33:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:33:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:33:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:33:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:33:59,774 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:33:59,777 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:34:00,096 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:34:00,261 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:34:00,261 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:34:00,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:34:00 BoogieIcfgContainer [2023-12-02 19:34:00,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:34:00,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:34:00,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:34:00,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:34:00,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:33:59" (1/3) ... [2023-12-02 19:34:00,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d03c9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:34:00, skipping insertion in model container [2023-12-02 19:34:00,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:33:59" (2/3) ... [2023-12-02 19:34:00,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d03c9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:34:00, skipping insertion in model container [2023-12-02 19:34:00,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:34:00" (3/3) ... [2023-12-02 19:34:00,271 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-69.i [2023-12-02 19:34:00,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:34:00,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:34:00,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:34:00,333 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;@20cd08b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:34:00,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:34:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 19:34:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 19:34:00,347 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:34:00,348 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:00,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:34:00,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:34:00,352 INFO L85 PathProgramCache]: Analyzing trace with hash 811868289, now seen corresponding path program 1 times [2023-12-02 19:34:00,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:34:00,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205726540] [2023-12-02 19:34:00,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:34:00,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:34:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:34:00,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:34:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:34:01,125 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:34:01,127 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:34:01,128 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:34:01,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:34:01,135 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:34:01,140 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:34:01,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:34:01 BoogieIcfgContainer [2023-12-02 19:34:01,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:34:01,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:34:01,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:34:01,230 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:34:01,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:34:00" (3/4) ... [2023-12-02 19:34:01,232 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:34:01,233 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:34:01,235 INFO L158 Benchmark]: Toolchain (without parser) took 2038.94ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 100.0MB in the end (delta: 44.7MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-12-02 19:34:01,235 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:34:01,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.12ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 130.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 19:34:01,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.73ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 127.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:34:01,237 INFO L158 Benchmark]: Boogie Preprocessor took 38.60ms. Allocated memory is still 176.2MB. Free memory was 127.4MB in the beginning and 125.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:34:01,238 INFO L158 Benchmark]: RCFGBuilder took 657.43ms. Allocated memory is still 176.2MB. Free memory was 125.5MB in the beginning and 137.3MB in the end (delta: -11.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-12-02 19:34:01,238 INFO L158 Benchmark]: TraceAbstraction took 963.28ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 101.1MB in the end (delta: 35.4MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-12-02 19:34:01,239 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 100.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:34:01,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.12ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 130.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.73ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 127.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.60ms. Allocated memory is still 176.2MB. Free memory was 127.4MB in the beginning and 125.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.43ms. Allocated memory is still 176.2MB. Free memory was 125.5MB in the beginning and 137.3MB in the end (delta: -11.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 963.28ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 101.1MB in the end (delta: 35.4MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 100.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 4; [L23] signed short int var_1_2 = -4; [L24] signed short int var_1_3 = 128; [L25] signed short int var_1_4 = 10; [L26] unsigned char var_1_5 = 200; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 64; [L30] signed char var_1_9 = -128; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] double var_1_12 = 32.75; [L34] double var_1_13 = 255.6; [L35] signed short int var_1_14 = 8; [L36] unsigned long int var_1_15 = 256; [L37] unsigned long int var_1_16 = 4031871391; [L38] unsigned long int var_1_17 = 3083112228; [L39] unsigned long int var_1_18 = 3058504136; [L40] unsigned long int var_1_19 = 1902304375; [L41] unsigned char var_1_20 = 1; [L42] signed char var_1_21 = -2; [L43] unsigned char var_1_22 = 0; [L44] unsigned char var_1_23 = 1; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] FCALL updateLastVariables() [L158] CALL updateVariables() [L96] var_1_2 = __VERIFIER_nondet_short() [L97] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=128, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=128, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L98] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=128, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=128, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L99] var_1_3 = __VERIFIER_nondet_short() [L100] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L101] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L102] var_1_4 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L104] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L105] var_1_5 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L107] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L108] var_1_6 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_7=0, var_1_8=64, var_1_9=-128] [L110] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=0, var_1_8=64, var_1_9=-128] [L111] var_1_7 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_8=64, var_1_9=-128] [L113] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=64, var_1_9=-128] [L114] var_1_8 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_9=-128] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_9=-128] [L116] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L117] var_1_10 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L119] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L120] var_1_11 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L122] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L123] var_1_13 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L125] var_1_16 = __VERIFIER_nondet_ulong() [L126] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L127] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L128] var_1_17 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L130] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L131] var_1_18 = __VERIFIER_nondet_ulong() [L132] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L133] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L134] var_1_19 = __VERIFIER_nondet_ulong() [L135] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L136] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=-2, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L137] var_1_21 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_21 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_21 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L139] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L140] var_1_22 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L142] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L143] var_1_23 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L145] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=4, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-128] [L158] RET updateVariables() [L159] CALL step() [L48] signed long int stepLocal_0 = var_1_3 - var_1_4; [L49] COND FALSE !(var_1_2 >= stepLocal_0) [L52] var_1_1 = (32 + var_1_7) [L54] signed long int stepLocal_2 = var_1_8 - var_1_5; [L55] unsigned char stepLocal_1 = var_1_11; [L56] COND FALSE !(stepLocal_2 >= var_1_4) [L63] var_1_9 = var_1_5 [L65] unsigned char stepLocal_4 = var_1_7; [L66] unsigned char stepLocal_3 = (var_1_9 + var_1_2) == var_1_3; [L67] COND TRUE stepLocal_4 > var_1_4 [L68] COND FALSE !(stepLocal_3 && var_1_10) [L75] var_1_12 = var_1_13 [L80] COND FALSE !(var_1_11 || (var_1_6 <= var_1_8)) [L83] COND FALSE !(var_1_12 < var_1_13) [L86] var_1_15 = (var_1_18 - var_1_19) [L88] signed char stepLocal_5 = var_1_21; [L89] COND FALSE !(stepLocal_5 < var_1_1) [L92] var_1_20 = var_1_23 [L159] RET step() [L160] CALL, EXPR property() [L150-L151] return ((((((var_1_2 >= (var_1_3 - var_1_4)) ? (var_1_1 == ((unsigned char) ((var_1_5 - ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7)))) - var_1_8))) : (var_1_1 == ((unsigned char) (32 + var_1_7)))) && (((var_1_8 - var_1_5) >= var_1_4) ? ((var_1_10 || var_1_11) ? (var_1_9 == ((signed char) var_1_6)) : (var_1_9 == ((signed char) var_1_7))) : (var_1_9 == ((signed char) var_1_5)))) && ((var_1_7 > var_1_4) ? ((((var_1_9 + var_1_2) == var_1_3) && var_1_10) ? ((! var_1_11) ? (var_1_12 == ((double) var_1_13)) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13)))) && ((var_1_11 || (var_1_6 <= var_1_8)) ? (var_1_14 == ((signed short int) var_1_6)) : 1)) && ((var_1_12 < var_1_13) ? (var_1_15 == ((unsigned long int) (((((((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) > (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18))))) ? (((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) : (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18)))))) - (var_1_19 - 32u)))) : (var_1_15 == ((unsigned long int) (var_1_18 - var_1_19))))) && ((var_1_21 < var_1_1) ? (var_1_20 == ((unsigned char) ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)))) : (var_1_20 == ((unsigned char) var_1_23))) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4031871396, var_1_13=4031871396, var_1_14=8, var_1_15=2333826439, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=95, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-35] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4031871396, var_1_13=4031871396, var_1_14=8, var_1_15=2333826439, var_1_16=3407568263, var_1_17=3407568262, var_1_18=3407568262, var_1_19=1073741823, var_1_1=95, var_1_20=1, var_1_21=95, var_1_22=0, var_1_23=1, var_1_2=-1, var_1_3=0, var_1_4=0, var_1_5=221, var_1_6=63, var_1_7=63, var_1_8=62, var_1_9=-35] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 33, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 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 19:34:01,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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_f4012cc2-0787-4332-806f-cb4d61b65a41/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 e9ea3e1de810ac747010be7e08c40cdfac2b25e998985b5e8577b039d2cd4e61 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:34:03,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:34:03,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:34:03,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:34:03,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:34:03,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:34:03,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:34:03,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:34:03,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:34:03,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:34:03,364 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:34:03,365 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:34:03,365 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:34:03,366 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:34:03,366 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:34:03,367 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:34:03,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:34:03,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:34:03,369 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:34:03,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:34:03,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:34:03,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:34:03,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:34:03,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:34:03,372 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:34:03,372 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:34:03,373 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:34:03,373 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:34:03,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:34:03,374 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:34:03,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:34:03,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:34:03,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:34:03,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:34:03,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:34:03,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:34:03,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:34:03,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:34:03,376 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:34:03,377 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:34:03,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:34:03,377 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:34:03,377 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:34:03,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:34:03,378 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_f4012cc2-0787-4332-806f-cb4d61b65a41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9ea3e1de810ac747010be7e08c40cdfac2b25e998985b5e8577b039d2cd4e61 [2023-12-02 19:34:03,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:34:03,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:34:03,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:34:03,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:34:03,704 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:34:03,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i [2023-12-02 19:34:06,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:34:06,807 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:34:06,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i [2023-12-02 19:34:06,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/data/5e2ac3129/d55d4da088bc4b73b12fe1d8735a8e67/FLAGa77bc883d [2023-12-02 19:34:06,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/data/5e2ac3129/d55d4da088bc4b73b12fe1d8735a8e67 [2023-12-02 19:34:06,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:34:06,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:34:06,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:34:06,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:34:06,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:34:06,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:34:06" (1/1) ... [2023-12-02 19:34:06,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b4a5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:06, skipping insertion in model container [2023-12-02 19:34:06,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:34:06" (1/1) ... [2023-12-02 19:34:06,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:34:07,041 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_f4012cc2-0787-4332-806f-cb4d61b65a41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i[917,930] [2023-12-02 19:34:07,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:34:07,116 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:34:07,129 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-69.i[917,930] [2023-12-02 19:34:07,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:34:07,181 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:34:07,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07 WrapperNode [2023-12-02 19:34:07,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:34:07,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:34:07,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:34:07,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:34:07,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,251 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-12-02 19:34:07,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:34:07,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:34:07,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:34:07,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:34:07,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:34:07,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:34:07,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:34:07,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:34:07,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (1/1) ... [2023-12-02 19:34:07,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:34:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:34:07,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:34:07,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:34:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:34:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:34:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:34:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:34:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:34:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:34:07,458 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:34:07,460 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:34:07,793 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:34:07,843 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:34:07,844 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:34:07,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:34:07 BoogieIcfgContainer [2023-12-02 19:34:07,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:34:07,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:34:07,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:34:07,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:34:07,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:34:06" (1/3) ... [2023-12-02 19:34:07,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa7d940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:34:07, skipping insertion in model container [2023-12-02 19:34:07,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:07" (2/3) ... [2023-12-02 19:34:07,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa7d940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:34:07, skipping insertion in model container [2023-12-02 19:34:07,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:34:07" (3/3) ... [2023-12-02 19:34:07,854 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-69.i [2023-12-02 19:34:07,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:34:07,874 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:34:07,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:34:07,947 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;@1a1b4062, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:34:07,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:34:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 19:34:07,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 19:34:07,970 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:34:07,971 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:07,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:34:07,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:34:07,978 INFO L85 PathProgramCache]: Analyzing trace with hash 19251789, now seen corresponding path program 1 times [2023-12-02 19:34:07,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:34:07,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493739069] [2023-12-02 19:34:07,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:34:07,994 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 19:34:07,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:34:07,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:07,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:34:08,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:34:08,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:34:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1024 proven. 0 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-12-02 19:34:08,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:34:08,277 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:34:08,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493739069] [2023-12-02 19:34:08,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493739069] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:34:08,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:34:08,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:34:08,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506472109] [2023-12-02 19:34:08,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:34:08,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:34:08,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:34:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:34:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:34:08,316 INFO L87 Difference]: Start difference. First operand has 75 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 19:34:08,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:34:08,380 INFO L93 Difference]: Finished difference Result 147 states and 269 transitions. [2023-12-02 19:34:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:34:08,384 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 196 [2023-12-02 19:34:08,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:34:08,392 INFO L225 Difference]: With dead ends: 147 [2023-12-02 19:34:08,392 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 19:34:08,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 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 19:34:08,399 INFO L413 NwaCegarLoop]: 111 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, 111 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 19:34:08,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:34:08,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 19:34:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-12-02 19:34:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 19:34:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 114 transitions. [2023-12-02 19:34:08,448 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 114 transitions. Word has length 196 [2023-12-02 19:34:08,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:34:08,449 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 114 transitions. [2023-12-02 19:34:08,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 19:34:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2023-12-02 19:34:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 19:34:08,454 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:34:08,455 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:08,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:08,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:08,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:34:08,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:34:08,660 INFO L85 PathProgramCache]: Analyzing trace with hash -699610289, now seen corresponding path program 1 times [2023-12-02 19:34:08,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:34:08,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937727471] [2023-12-02 19:34:08,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:34:08,662 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 19:34:08,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:34:08,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:08,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:34:08,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 19:34:08,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:34:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 19:34:08,929 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:34:08,929 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:34:08,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937727471] [2023-12-02 19:34:08,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937727471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:34:08,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:34:08,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:34:08,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754879284] [2023-12-02 19:34:08,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:34:08,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:34:08,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:34:08,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:34:08,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:34:08,936 INFO L87 Difference]: Start difference. First operand 73 states and 114 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 19:34:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:34:09,169 INFO L93 Difference]: Finished difference Result 177 states and 276 transitions. [2023-12-02 19:34:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:34:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 196 [2023-12-02 19:34:09,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:34:09,175 INFO L225 Difference]: With dead ends: 177 [2023-12-02 19:34:09,176 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 19:34:09,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 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 19:34:09,179 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 58 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:34:09,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 251 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 19:34:09,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 19:34:09,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104. [2023-12-02 19:34:09,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 50 states have (on average 1.18) internal successors, (59), 51 states have internal predecessors, (59), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-02 19:34:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 161 transitions. [2023-12-02 19:34:09,207 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 161 transitions. Word has length 196 [2023-12-02 19:34:09,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:34:09,209 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 161 transitions. [2023-12-02 19:34:09,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 19:34:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 161 transitions. [2023-12-02 19:34:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 19:34:09,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:34:09,214 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:09,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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)] Ended with exit code 0 [2023-12-02 19:34:09,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:09,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:34:09,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:34:09,421 INFO L85 PathProgramCache]: Analyzing trace with hash -642351987, now seen corresponding path program 1 times [2023-12-02 19:34:09,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:34:09,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964724506] [2023-12-02 19:34:09,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:34:09,423 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 19:34:09,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:34:09,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:09,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4012cc2-0787-4332-806f-cb4d61b65a41/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 19:34:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:34:09,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 19:34:09,645 INFO L285 TraceCheckSpWp]: Computing forward predicates...