./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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_c1f56bf3-61df-404b-8647-aa477d180a39/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 7c112a9bc8d2f75d2a4605859fc6aebbe83488d4f1ab8c5ac19fa72f9d2a703f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:39:58,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:39:58,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:39:58,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:39:58,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:39:58,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:39:58,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:39:58,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:39:58,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:39:58,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:39:58,333 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:39:58,333 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:39:58,334 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:39:58,335 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:39:58,335 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:39:58,336 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:39:58,336 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:39:58,337 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:39:58,337 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:39:58,338 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:39:58,338 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:39:58,339 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:39:58,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:39:58,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:39:58,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:39:58,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:39:58,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:39:58,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:39:58,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:39:58,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:39:58,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:39:58,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:39:58,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:39:58,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:39:58,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:39:58,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:39:58,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:39:58,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:39:58,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:39:58,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:39:58,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:39:58,347 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:39:58,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:39:58,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:39:58,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:39:58,348 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:39:58,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:39:58,348 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_c1f56bf3-61df-404b-8647-aa477d180a39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c112a9bc8d2f75d2a4605859fc6aebbe83488d4f1ab8c5ac19fa72f9d2a703f [2023-12-02 18:39:58,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:39:58,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:39:58,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:39:58,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:39:58,612 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:39:58,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i [2023-12-02 18:40:01,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:40:01,623 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:40:01,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i [2023-12-02 18:40:01,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/data/a2f80ab88/d1cd3c82729e4761811b57fc1515de00/FLAG4e4b2de42 [2023-12-02 18:40:01,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/data/a2f80ab88/d1cd3c82729e4761811b57fc1515de00 [2023-12-02 18:40:01,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:40:01,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:40:01,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:40:01,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:40:01,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:40:01,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:01,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b55ee30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01, skipping insertion in model container [2023-12-02 18:40:01,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:01,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:40:01,834 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_c1f56bf3-61df-404b-8647-aa477d180a39/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i[917,930] [2023-12-02 18:40:01,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:40:01,899 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:40:01,911 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_c1f56bf3-61df-404b-8647-aa477d180a39/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i[917,930] [2023-12-02 18:40:01,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:40:01,951 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:40:01,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01 WrapperNode [2023-12-02 18:40:01,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:40:01,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:40:01,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:40:01,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:40:01,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:01,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,003 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-12-02 18:40:02,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:40:02,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:40:02,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:40:02,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:40:02,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:40:02,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:40:02,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:40:02,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:40:02,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (1/1) ... [2023-12-02 18:40:02,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:40:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:40:02,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:40:02,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:40:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:40:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:40:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:40:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:40:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:40:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:40:02,227 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:40:02,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:40:02,542 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:40:02,696 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:40:02,697 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:40:02,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:02 BoogieIcfgContainer [2023-12-02 18:40:02,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:40:02,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:40:02,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:40:02,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:40:02,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:40:01" (1/3) ... [2023-12-02 18:40:02,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264c0591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:40:02, skipping insertion in model container [2023-12-02 18:40:02,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:01" (2/3) ... [2023-12-02 18:40:02,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264c0591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:40:02, skipping insertion in model container [2023-12-02 18:40:02,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:02" (3/3) ... [2023-12-02 18:40:02,708 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-29.i [2023-12-02 18:40:02,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:40:02,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:40:02,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:40:02,776 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;@31f93264, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:40:02,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:40:02,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:40:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 18:40:02,793 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:40:02,794 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:02,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:40:02,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:40:02,798 INFO L85 PathProgramCache]: Analyzing trace with hash 14453944, now seen corresponding path program 1 times [2023-12-02 18:40:02,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:40:02,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170193991] [2023-12-02 18:40:02,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:40:02,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:40:02,980 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:40:02,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1984174041] [2023-12-02 18:40:02,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:40:02,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:40:02,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:40:02,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:40:02,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:40:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:40:03,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:40:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:40:03,408 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:40:03,411 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:40:03,412 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:40:03,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:40:03,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:40:03,618 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:40:03,622 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:40:03,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:40:03 BoogieIcfgContainer [2023-12-02 18:40:03,724 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:40:03,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:40:03,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:40:03,725 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:40:03,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:02" (3/4) ... [2023-12-02 18:40:03,728 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:40:03,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:40:03,731 INFO L158 Benchmark]: Toolchain (without parser) took 2079.55ms. Allocated memory is still 146.8MB. Free memory was 109.6MB in the beginning and 82.9MB in the end (delta: 26.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-12-02 18:40:03,731 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:40:03,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.97ms. Allocated memory is still 146.8MB. Free memory was 109.2MB in the beginning and 95.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 18:40:03,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.06ms. Allocated memory is still 146.8MB. Free memory was 95.6MB in the beginning and 92.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:40:03,733 INFO L158 Benchmark]: Boogie Preprocessor took 37.85ms. Allocated memory is still 146.8MB. Free memory was 92.9MB in the beginning and 91.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:40:03,733 INFO L158 Benchmark]: RCFGBuilder took 655.84ms. Allocated memory is still 146.8MB. Free memory was 91.1MB in the beginning and 89.7MB in the end (delta: 1.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:40:03,734 INFO L158 Benchmark]: TraceAbstraction took 1022.68ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 82.9MB in the end (delta: 6.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-12-02 18:40:03,734 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 146.8MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:40:03,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.97ms. Allocated memory is still 146.8MB. Free memory was 109.2MB in the beginning and 95.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.06ms. Allocated memory is still 146.8MB. Free memory was 95.6MB in the beginning and 92.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.85ms. Allocated memory is still 146.8MB. Free memory was 92.9MB in the beginning and 91.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.84ms. Allocated memory is still 146.8MB. Free memory was 91.1MB in the beginning and 89.7MB in the end (delta: 1.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1022.68ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 82.9MB in the end (delta: 6.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 146.8MB. Free memory is still 82.9MB. 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 53, overapproximation of someBinaryFLOATComparisonOperation at line 152, overapproximation of someBinaryArithmeticFLOAToperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1; [L25] double var_1_4 = 99999.75; [L26] double var_1_5 = 31.75; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] signed short int var_1_8 = 0; [L30] signed short int var_1_9 = 0; [L31] signed short int var_1_10 = 8; [L32] signed char var_1_11 = 1; [L33] signed char var_1_12 = 32; [L34] signed char var_1_13 = -2; [L35] signed char var_1_14 = 8; [L36] signed char var_1_15 = 0; [L37] signed char var_1_16 = 10; [L38] signed char var_1_17 = 32; [L39] unsigned char var_1_18 = 0; [L40] signed char var_1_19 = -1; [L41] signed short int var_1_20 = 100; [L42] double var_1_21 = 9.25; [L43] signed short int var_1_22 = 29265; [L44] float var_1_23 = 31.6; [L45] float var_1_24 = 9.2; [L46] float var_1_25 = 15.6; [L47] float var_1_26 = 25.25; [L48] unsigned long int var_1_27 = 256; [L156] isInitial = 1 [L157] FCALL initially() [L158] COND TRUE 1 [L159] FCALL updateLastVariables() [L160] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_3=1, var_1_4=399999/4, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_3=1, var_1_4=399999/4, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=1, var_1_4=399999/4, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=1, var_1_4=399999/4, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L96] var_1_3 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_4=399999/4, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_4=399999/4, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_4=399999/4, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_4=399999/4, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L99] var_1_4 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_5=127/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L101] var_1_5 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L103] var_1_6 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_7=0, var_1_8=0, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L106] var_1_7 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L109] var_1_9 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L111] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L112] var_1_10 = __VERIFIER_nondet_short() [L113] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L114] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L115] var_1_12 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L117] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L118] var_1_13 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L120] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L121] var_1_14 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L123] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L124] var_1_15 = __VERIFIER_nondet_char() [L125] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L126] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L127] var_1_16 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L129] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L130] var_1_17 = __VERIFIER_nondet_char() [L131] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L132] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L133] var_1_19 = __VERIFIER_nondet_char() [L134] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L135] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L136] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_21=37/4, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L137] var_1_21 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L139] var_1_22 = __VERIFIER_nondet_short() [L140] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L141] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L142] var_1_24 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L144] var_1_25 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L146] var_1_26 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=16446] [L160] RET updateVariables() [L161] CALL step() [L52] COND FALSE !(\read(var_1_2)) [L55] var_1_1 = var_1_7 [L57] var_1_8 = (var_1_9 - (2 + var_1_10)) [L58] COND FALSE !(\read(var_1_2)) [L61] COND TRUE var_1_3 >= var_1_14 [L62] var_1_11 = ((var_1_15 + var_1_16) - var_1_17) [L71] COND TRUE var_1_4 == var_1_5 [L72] COND FALSE !(var_1_15 >= (var_1_11 / var_1_19)) [L76] COND FALSE !((- ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (1.625 * var_1_21)) [L79] var_1_20 = var_1_19 [L81] COND TRUE var_1_22 != var_1_12 [L82] COND TRUE var_1_10 <= var_1_17 [L83] var_1_23 = (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))) [L88] COND FALSE !(! ((var_1_9 - var_1_22) > var_1_12)) [L161] RET step() [L162] CALL, EXPR property() [L152-L153] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_3) || (var_1_4 >= var_1_5)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_2 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_3 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_4 == var_1_5) ? ((var_1_15 >= (var_1_11 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (1.625 * var_1_21)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; [L162] RET, EXPR property() [L162] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=-126, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=1, var_1_20=-125, var_1_22=16382, var_1_23=0, var_1_25=0, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=16318, var_1_9=16446] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=-126, var_1_12=63, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=126, var_1_18=0, var_1_19=-125, var_1_1=1, var_1_20=-125, var_1_22=16382, var_1_23=0, var_1_25=0, var_1_27=256, var_1_2=0, var_1_3=63, var_1_6=0, var_1_7=1, var_1_8=16318, var_1_9=16446] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 35, 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=64occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 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 18:40:03,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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_c1f56bf3-61df-404b-8647-aa477d180a39/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 7c112a9bc8d2f75d2a4605859fc6aebbe83488d4f1ab8c5ac19fa72f9d2a703f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:40:05,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:40:05,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:40:05,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:40:05,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:40:05,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:40:05,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:40:05,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:40:05,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:40:05,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:40:05,796 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:40:05,797 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:40:05,797 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:40:05,798 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:40:05,799 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:40:05,799 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:40:05,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:40:05,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:40:05,801 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:40:05,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:40:05,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:40:05,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:40:05,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:40:05,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:40:05,804 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:40:05,805 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:40:05,805 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:40:05,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:40:05,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:40:05,807 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:40:05,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:40:05,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:40:05,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:40:05,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:40:05,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:40:05,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:40:05,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:40:05,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:40:05,809 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:40:05,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:40:05,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:40:05,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:40:05,810 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:40:05,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:40:05,811 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_c1f56bf3-61df-404b-8647-aa477d180a39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c112a9bc8d2f75d2a4605859fc6aebbe83488d4f1ab8c5ac19fa72f9d2a703f [2023-12-02 18:40:06,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:40:06,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:40:06,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:40:06,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:40:06,124 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:40:06,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i [2023-12-02 18:40:08,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:40:09,129 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:40:09,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i [2023-12-02 18:40:09,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/data/a0586ad75/a2a7bd94177347b48d94f6b16e3d38d4/FLAGe9ab9a1cb [2023-12-02 18:40:09,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/data/a0586ad75/a2a7bd94177347b48d94f6b16e3d38d4 [2023-12-02 18:40:09,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:40:09,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:40:09,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:40:09,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:40:09,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:40:09,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161e528d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09, skipping insertion in model container [2023-12-02 18:40:09,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:40:09,371 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_c1f56bf3-61df-404b-8647-aa477d180a39/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i[917,930] [2023-12-02 18:40:09,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:40:09,451 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:40:09,466 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_c1f56bf3-61df-404b-8647-aa477d180a39/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-29.i[917,930] [2023-12-02 18:40:09,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:40:09,521 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:40:09,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09 WrapperNode [2023-12-02 18:40:09,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:40:09,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:40:09,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:40:09,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:40:09,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,580 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-12-02 18:40:09,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:40:09,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:40:09,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:40:09,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:40:09,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:40:09,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:40:09,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:40:09,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:40:09,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (1/1) ... [2023-12-02 18:40:09,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:40:09,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:40:09,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:40:09,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:40:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:40:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:40:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:40:09,844 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:40:09,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:40:11,509 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:40:11,564 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:40:11,564 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:40:11,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:11 BoogieIcfgContainer [2023-12-02 18:40:11,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:40:11,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:40:11,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:40:11,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:40:11,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:40:09" (1/3) ... [2023-12-02 18:40:11,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcaafa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:40:11, skipping insertion in model container [2023-12-02 18:40:11,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:09" (2/3) ... [2023-12-02 18:40:11,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcaafa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:40:11, skipping insertion in model container [2023-12-02 18:40:11,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:11" (3/3) ... [2023-12-02 18:40:11,573 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-29.i [2023-12-02 18:40:11,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:40:11,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:40:11,629 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:40:11,635 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;@3f2c2cbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:40:11,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:40:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:40:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-02 18:40:11,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:40:11,656 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:11,656 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:40:11,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:40:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash -628675938, now seen corresponding path program 1 times [2023-12-02 18:40:11,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:40:11,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177843737] [2023-12-02 18:40:11,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:40:11,674 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 18:40:11,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:40:11,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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 18:40:11,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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 18:40:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:40:12,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:40:12,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:40:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1080 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 18:40:12,166 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:40:12,167 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:40:12,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177843737] [2023-12-02 18:40:12,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177843737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:40:12,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:40:12,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:40:12,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721163326] [2023-12-02 18:40:12,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:40:12,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:40:12,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:40:12,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:40:12,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:40:12,204 INFO L87 Difference]: Start difference. First operand has 79 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 18:40:13,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:40:13,034 INFO L93 Difference]: Finished difference Result 155 states and 285 transitions. [2023-12-02 18:40:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:40:13,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 207 [2023-12-02 18:40:13,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:40:13,064 INFO L225 Difference]: With dead ends: 155 [2023-12-02 18:40:13,064 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 18:40:13,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 206 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 18:40:13,072 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:40:13,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 18:40:13,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 18:40:13,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-02 18:40:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:40:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2023-12-02 18:40:13,120 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 207 [2023-12-02 18:40:13,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:40:13,121 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2023-12-02 18:40:13,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 18:40:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2023-12-02 18:40:13,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-02 18:40:13,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:40:13,128 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:13,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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 18:40:13,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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 18:40:13,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:40:13,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:40:13,334 INFO L85 PathProgramCache]: Analyzing trace with hash -365322400, now seen corresponding path program 1 times [2023-12-02 18:40:13,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:40:13,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1751901235] [2023-12-02 18:40:13,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:40:13,335 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 18:40:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:40:13,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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 18:40:13,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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 18:40:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:40:13,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:40:13,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:40:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 1794 trivial. 0 not checked. [2023-12-02 18:40:13,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:40:14,071 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:40:14,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1751901235] [2023-12-02 18:40:14,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1751901235] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:40:14,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [387159725] [2023-12-02 18:40:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:40:14,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:40:14,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:40:14,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:40:14,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 18:40:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:40:15,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:40:15,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:40:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 1794 trivial. 0 not checked. [2023-12-02 18:40:15,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:40:15,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [387159725] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:40:15,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661117716] [2023-12-02 18:40:15,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:40:15,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:40:15,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:40:15,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:40:15,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:40:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:40:15,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:40:15,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:40:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 1794 trivial. 0 not checked. [2023-12-02 18:40:15,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:40:15,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661117716] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:40:15,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:40:15,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2023-12-02 18:40:15,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298773126] [2023-12-02 18:40:15,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:40:15,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:40:15,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:40:15,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:40:15,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:40:15,897 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 18:40:17,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:40:17,357 INFO L93 Difference]: Finished difference Result 159 states and 246 transitions. [2023-12-02 18:40:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:40:17,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 207 [2023-12-02 18:40:17,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:40:17,376 INFO L225 Difference]: With dead ends: 159 [2023-12-02 18:40:17,376 INFO L226 Difference]: Without dead ends: 83 [2023-12-02 18:40:17,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 650 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:40:17,378 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 72 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:40:17,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 158 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 18:40:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-02 18:40:17,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2023-12-02 18:40:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 18:40:17,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 123 transitions. [2023-12-02 18:40:17,401 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 123 transitions. Word has length 207 [2023-12-02 18:40:17,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:40:17,402 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 123 transitions. [2023-12-02 18:40:17,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 18:40:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2023-12-02 18:40:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-02 18:40:17,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:40:17,407 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:17,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 18:40:17,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 18:40:17,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 18:40:18,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:40:18,013 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:40:18,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:40:18,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1317681748, now seen corresponding path program 1 times [2023-12-02 18:40:18,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:40:18,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627463144] [2023-12-02 18:40:18,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:40:18,016 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 18:40:18,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:40:18,017 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/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 18:40:18,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f56bf3-61df-404b-8647-aa477d180a39/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 18:40:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:40:18,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 18:40:18,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:41:07,681 WARN L293 SmtUtils]: Spent 6.81s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:42:44,171 WARN L293 SmtUtils]: Spent 23.62s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:44:13,016 WARN L293 SmtUtils]: Spent 31.84s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)