./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_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_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 71136a44fe5b0f9d96ea6c9aa771940ab024898ccbae8d44c9033aa2b26aac18 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:36:56,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:36:56,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:36:56,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:36:56,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:36:56,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:36:56,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:36:56,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:36:56,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:36:56,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:36:56,791 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:36:56,791 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:36:56,792 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:36:56,793 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:36:56,793 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:36:56,794 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:36:56,794 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:36:56,795 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:36:56,795 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:36:56,796 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:36:56,796 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:36:56,797 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:36:56,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:36:56,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:36:56,799 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:36:56,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:36:56,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:36:56,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:36:56,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:36:56,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:36:56,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:36:56,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:36:56,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:36:56,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:36:56,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:36:56,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:36:56,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:36:56,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:36:56,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:36:56,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:36:56,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:36:56,804 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:36:56,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:36:56,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:36:56,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:36:56,805 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:36:56,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:36:56,805 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_bc7fcb06-3372-4b18-aa2a-625b1911305c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71136a44fe5b0f9d96ea6c9aa771940ab024898ccbae8d44c9033aa2b26aac18 [2023-12-02 19:36:57,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:36:57,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:36:57,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:36:57,036 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:36:57,037 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:36:57,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i [2023-12-02 19:36:59,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:37:00,084 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:37:00,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i [2023-12-02 19:37:00,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/data/8f8ff5bfa/1258731da41d411dbec52d52d0fb3131/FLAGb36562c86 [2023-12-02 19:37:00,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/data/8f8ff5bfa/1258731da41d411dbec52d52d0fb3131 [2023-12-02 19:37:00,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:37:00,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:37:00,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:37:00,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:37:00,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:37:00,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202b62a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00, skipping insertion in model container [2023-12-02 19:37:00,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:37:00,276 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_bc7fcb06-3372-4b18-aa2a-625b1911305c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i[919,932] [2023-12-02 19:37:00,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:37:00,344 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:37:00,354 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i[919,932] [2023-12-02 19:37:00,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:37:00,403 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:37:00,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00 WrapperNode [2023-12-02 19:37:00,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:37:00,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:37:00,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:37:00,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:37:00,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,458 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-12-02 19:37:00,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:37:00,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:37:00,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:37:00,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:37:00,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:37:00,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:37:00,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:37:00,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:37:00,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (1/1) ... [2023-12-02 19:37:00,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:37:00,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:37:00,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:37:00,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:37:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:37:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:37:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:37:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:37:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:37:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:37:00,670 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:37:00,673 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:37:01,001 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:37:01,143 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:37:01,144 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:37:01,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:37:01 BoogieIcfgContainer [2023-12-02 19:37:01,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:37:01,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:37:01,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:37:01,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:37:01,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:37:00" (1/3) ... [2023-12-02 19:37:01,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459c076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:37:01, skipping insertion in model container [2023-12-02 19:37:01,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:00" (2/3) ... [2023-12-02 19:37:01,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459c076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:37:01, skipping insertion in model container [2023-12-02 19:37:01,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:37:01" (3/3) ... [2023-12-02 19:37:01,156 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-69.i [2023-12-02 19:37:01,176 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:37:01,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:37:01,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:37:01,236 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;@5ae0b903, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:37:01,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:37:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 19:37:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 19:37:01,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:37:01,252 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:37:01,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:37:01,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:37:01,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1450847684, now seen corresponding path program 1 times [2023-12-02 19:37:01,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:37:01,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941059821] [2023-12-02 19:37:01,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:37:01,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:37:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:37:01,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:37:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:37:02,026 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:37:02,027 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:37:02,029 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:37:02,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:37:02,036 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:37:02,041 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:37:02,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:37:02 BoogieIcfgContainer [2023-12-02 19:37:02,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:37:02,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:37:02,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:37:02,132 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:37:02,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:37:01" (3/4) ... [2023-12-02 19:37:02,135 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:37:02,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:37:02,137 INFO L158 Benchmark]: Toolchain (without parser) took 2025.93ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 144.4MB in the beginning and 123.5MB in the end (delta: 20.9MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-12-02 19:37:02,137 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 180.4MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:37:02,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.24ms. Allocated memory is still 180.4MB. Free memory was 144.4MB in the beginning and 130.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 19:37:02,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.14ms. Allocated memory is still 180.4MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:37:02,139 INFO L158 Benchmark]: Boogie Preprocessor took 39.68ms. Allocated memory is still 180.4MB. Free memory was 127.0MB in the beginning and 124.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:37:02,140 INFO L158 Benchmark]: RCFGBuilder took 646.14ms. Allocated memory is still 180.4MB. Free memory was 124.9MB in the beginning and 86.4MB in the end (delta: 38.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 19:37:02,141 INFO L158 Benchmark]: TraceAbstraction took 981.40ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 85.8MB in the beginning and 124.6MB in the end (delta: -38.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-12-02 19:37:02,141 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 226.5MB. Free memory was 124.6MB in the beginning and 123.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:37:02,145 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 180.4MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.24ms. Allocated memory is still 180.4MB. Free memory was 144.4MB in the beginning and 130.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.14ms. Allocated memory is still 180.4MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.68ms. Allocated memory is still 180.4MB. Free memory was 127.0MB in the beginning and 124.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.14ms. Allocated memory is still 180.4MB. Free memory was 124.9MB in the beginning and 86.4MB in the end (delta: 38.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 981.40ms. Allocated memory was 180.4MB in the beginning and 226.5MB in the end (delta: 46.1MB). Free memory was 85.8MB in the beginning and 124.6MB in the end (delta: -38.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 226.5MB. Free memory was 124.6MB in the beginning and 123.5MB 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 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 4; [L23] signed short int var_1_3 = 128; [L24] signed short int var_1_4 = 10; [L25] unsigned char var_1_5 = 200; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 64; [L29] signed char var_1_9 = -128; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] double var_1_12 = 32.75; [L33] double var_1_13 = 255.6; [L34] signed short int var_1_14 = 8; [L35] unsigned long int var_1_15 = 256; [L36] unsigned long int var_1_16 = 4031871391; [L37] unsigned long int var_1_17 = 3083112228; [L38] unsigned long int var_1_18 = 3058504136; [L39] unsigned long int var_1_19 = 1902304375; [L40] unsigned char var_1_20 = 1; [L41] unsigned char var_1_22 = 0; [L42] unsigned char var_1_23 = 1; [L43] unsigned char last_1_var_1_1 = 4; [L44] signed char last_1_var_1_9 = -128; [L45] signed short int last_1_var_1_14 = 8; [L146] isInitial = 1 [L147] FCALL initially() [L148] COND TRUE 1 [L149] CALL updateLastVariables() [L137] last_1_var_1_1 = var_1_1 [L138] last_1_var_1_9 = var_1_9 [L139] last_1_var_1_14 = var_1_14 [L149] RET updateLastVariables() [L150] CALL updateVariables() [L91] var_1_3 = __VERIFIER_nondet_short() [L92] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, 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) [L92] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L93] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, 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) [L93] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L94] var_1_4 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, 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) [L95] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L96] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, 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) [L96] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L97] var_1_5 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, 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_5 >= 190) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L99] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L100] var_1_6 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_7=0, var_1_8=64, var_1_9=-128] [L102] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=0, var_1_8=64, var_1_9=-128] [L103] var_1_7 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_8=64, var_1_9=-128] [L105] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=64, var_1_9=-128] [L106] var_1_8 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_9=-128] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_9=-128] [L108] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L111] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L112] var_1_11 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L114] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L115] var_1_13 = __VERIFIER_nondet_double() [L116] 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, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L116] 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, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, 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_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L117] var_1_16 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L119] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L120] var_1_17 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L122] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L123] var_1_18 = __VERIFIER_nondet_ulong() [L124] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L125] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L126] var_1_19 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L128] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L129] var_1_22 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L131] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L132] var_1_23 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L134] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-128] [L150] RET updateVariables() [L151] CALL step() [L49] COND TRUE last_1_var_1_9 < last_1_var_1_1 [L50] var_1_20 = ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)) [L54] COND FALSE !(last_1_var_1_14 >= (var_1_3 - var_1_4)) [L57] var_1_1 = (32 + var_1_7) [L59] COND TRUE var_1_20 || (var_1_6 <= var_1_8) [L60] var_1_14 = var_1_6 [L62] COND FALSE !((var_1_8 - var_1_5) >= var_1_1) [L69] var_1_9 = var_1_5 [L71] COND FALSE !(var_1_7 > var_1_1) [L82] var_1_12 = var_1_13 [L84] COND TRUE var_1_12 < var_1_13 [L85] var_1_15 = (((((((((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)) [L151] RET step() [L152] CALL, EXPR property() [L142-L143] return ((((((last_1_var_1_14 >= (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_1) ? ((var_1_20 || var_1_20) ? (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_1) ? ((((var_1_1 + var_1_9) == var_1_1) && var_1_20) ? ((! var_1_20) ? (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_20 || (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))))) && ((last_1_var_1_9 < last_1_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))) ; [L152] RET, EXPR property() [L152] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=5555051947, var_1_13=5555051947, var_1_14=63, var_1_15=1260084646, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=48, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-66] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=5555051947, var_1_13=5555051947, var_1_14=63, var_1_15=1260084646, var_1_16=2147483648, var_1_17=2147483647, var_1_18=3407568261, var_1_19=2147483647, var_1_1=48, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=63, var_1_7=16, var_1_8=127, var_1_9=-66] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 29, 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=53occurred 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, 106 NumberOfCodeBlocks, 106 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 19:37:02,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 71136a44fe5b0f9d96ea6c9aa771940ab024898ccbae8d44c9033aa2b26aac18 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:37:04,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:37:04,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:37:04,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:37:04,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:37:04,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:37:04,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:37:04,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:37:04,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:37:04,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:37:04,254 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:37:04,254 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:37:04,255 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:37:04,255 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:37:04,256 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:37:04,256 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:37:04,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:37:04,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:37:04,258 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:37:04,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:37:04,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:37:04,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:37:04,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:37:04,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:37:04,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:37:04,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:37:04,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:37:04,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:37:04,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:37:04,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:37:04,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:37:04,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:37:04,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:37:04,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:37:04,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:37:04,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:37:04,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:37:04,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:37:04,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:37:04,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:37:04,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:37:04,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:37:04,269 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:37:04,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:37:04,269 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_bc7fcb06-3372-4b18-aa2a-625b1911305c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71136a44fe5b0f9d96ea6c9aa771940ab024898ccbae8d44c9033aa2b26aac18 [2023-12-02 19:37:04,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:37:04,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:37:04,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:37:04,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:37:04,581 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:37:04,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i [2023-12-02 19:37:07,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:37:07,637 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:37:07,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i [2023-12-02 19:37:07,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/data/677993557/da731e0cfa1a42718005b09bcd134daf/FLAGb2b822dfe [2023-12-02 19:37:07,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/data/677993557/da731e0cfa1a42718005b09bcd134daf [2023-12-02 19:37:07,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:37:07,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:37:07,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:37:07,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:37:07,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:37:07,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:07,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bd566d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07, skipping insertion in model container [2023-12-02 19:37:07,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:07,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:37:07,838 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_bc7fcb06-3372-4b18-aa2a-625b1911305c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i[919,932] [2023-12-02 19:37:07,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:37:07,918 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:37:07,930 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_bc7fcb06-3372-4b18-aa2a-625b1911305c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i[919,932] [2023-12-02 19:37:07,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:37:07,984 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:37:07,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07 WrapperNode [2023-12-02 19:37:07,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:37:07,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:37:07,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:37:07,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:37:07,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,034 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-12-02 19:37:08,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:37:08,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:37:08,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:37:08,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:37:08,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:37:08,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:37:08,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:37:08,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:37:08,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (1/1) ... [2023-12-02 19:37:08,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:37:08,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:37:08,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:37:08,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:37:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:37:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:37:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:37:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:37:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:37:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:37:08,273 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:37:08,275 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:37:08,599 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:37:08,671 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:37:08,672 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:37:08,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:37:08 BoogieIcfgContainer [2023-12-02 19:37:08,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:37:08,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:37:08,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:37:08,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:37:08,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:37:07" (1/3) ... [2023-12-02 19:37:08,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6772c2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:37:08, skipping insertion in model container [2023-12-02 19:37:08,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:07" (2/3) ... [2023-12-02 19:37:08,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6772c2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:37:08, skipping insertion in model container [2023-12-02 19:37:08,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:37:08" (3/3) ... [2023-12-02 19:37:08,683 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-69.i [2023-12-02 19:37:08,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:37:08,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:37:08,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:37:08,785 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;@4bd449fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:37:08,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:37:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 19:37:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-02 19:37:08,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:37:08,811 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:37:08,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:37:08,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:37:08,816 INFO L85 PathProgramCache]: Analyzing trace with hash 615338576, now seen corresponding path program 1 times [2023-12-02 19:37:08,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:37:08,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190369048] [2023-12-02 19:37:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:37:08,833 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 19:37:08,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:37:08,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:08,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:37:09,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:37:09,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:37:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-12-02 19:37:09,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:37:09,118 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:37:09,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190369048] [2023-12-02 19:37:09,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190369048] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:37:09,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:37:09,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:37:09,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135897961] [2023-12-02 19:37:09,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:37:09,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:37:09,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:37:09,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:37:09,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:37:09,161 INFO L87 Difference]: Start difference. First operand has 66 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 19:37:09,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:37:09,224 INFO L93 Difference]: Finished difference Result 129 states and 239 transitions. [2023-12-02 19:37:09,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:37:09,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 171 [2023-12-02 19:37:09,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:37:09,236 INFO L225 Difference]: With dead ends: 129 [2023-12-02 19:37:09,236 INFO L226 Difference]: Without dead ends: 64 [2023-12-02 19:37:09,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 19:37:09,244 INFO L413 NwaCegarLoop]: 98 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, 98 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 19:37:09,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:37:09,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-02 19:37:09,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-02 19:37:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 19:37:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 101 transitions. [2023-12-02 19:37:09,298 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 101 transitions. Word has length 171 [2023-12-02 19:37:09,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:37:09,298 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 101 transitions. [2023-12-02 19:37:09,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 19:37:09,299 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2023-12-02 19:37:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-02 19:37:09,304 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:37:09,304 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:37:09,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:09,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:09,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:37:09,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:37:09,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1735516462, now seen corresponding path program 1 times [2023-12-02 19:37:09,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:37:09,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818895632] [2023-12-02 19:37:09,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:37:09,508 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 19:37:09,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:37:09,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:09,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:37:09,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 19:37:09,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:37:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-12-02 19:37:10,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:37:10,077 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:37:10,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818895632] [2023-12-02 19:37:10,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818895632] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:37:10,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:37:10,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:37:10,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724565227] [2023-12-02 19:37:10,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:37:10,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:37:10,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:37:10,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:37:10,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:37:10,082 INFO L87 Difference]: Start difference. First operand 64 states and 101 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 19:37:10,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:37:10,351 INFO L93 Difference]: Finished difference Result 191 states and 302 transitions. [2023-12-02 19:37:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:37:10,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 171 [2023-12-02 19:37:10,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:37:10,357 INFO L225 Difference]: With dead ends: 191 [2023-12-02 19:37:10,357 INFO L226 Difference]: Without dead ends: 128 [2023-12-02 19:37:10,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:37:10,360 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 47 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:37:10,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 286 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 19:37:10,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-12-02 19:37:10,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2023-12-02 19:37:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 53 states have (on average 1.1886792452830188) internal successors, (63), 53 states have internal predecessors, (63), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 19:37:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 179 transitions. [2023-12-02 19:37:10,400 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 179 transitions. Word has length 171 [2023-12-02 19:37:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:37:10,401 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 179 transitions. [2023-12-02 19:37:10,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-12-02 19:37:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 179 transitions. [2023-12-02 19:37:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-02 19:37:10,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:37:10,405 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:37:10,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-02 19:37:10,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:10,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:37:10,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:37:10,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1879392464, now seen corresponding path program 1 times [2023-12-02 19:37:10,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:37:10,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783489930] [2023-12-02 19:37:10,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:37:10,613 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 19:37:10,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:37:10,614 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:10,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7fcb06-3372-4b18-aa2a-625b1911305c/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 19:37:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:37:10,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 19:37:10,785 INFO L285 TraceCheckSpWp]: Computing forward predicates...